“M.D.” vs. “Ph.D.” vs. “Dr.”: Are They Synonyms?

Quick: when you hear the word doctor , what do you picture?

Most would probably describe someone in a white lab coat with a stethoscope hanging around their neck or someone in medical scrubs—someone you would seek out if you have a deep cut that needed stitches.

That word doctor , however, is a title assigned to many who don’t come close to that description, many of whom you wouldn’t want stitching up that cut. Take your English professor, for instance. No offense, Dr. Barrett. 

It can all be a bit confusing, which is why it’s important to know who and why someone might be called a doctor , as well as what all those initials and abbreviations after their name mean. Here we break it all down.

What does Dr. mean?

Let’s start with doctor or D r . for short. While the first definition of the word is “ a person licensed to practice medicine,” that doesn’t mean you want to take medical advice from anyone who calls themselves a doctor . There are many looser definitions of the word that follow and, frankly, make things a bit confusing.

For example, the third definition is older slang for a “cook, as at a camp or on a ship,” while the seventh entry is “an eminent scholar and teacher.” Bugs Bunny didn’t help matters either by plying anyone and everyone with his famous greeting,“What’s up, doc?” 

The term doctor can be traced back to the late 1200s, and it stems from a Latin word meaning “to teach.” It wasn’t used to describe a licensed medical practitioner until about 1400, and it wasn’t used as such with regularity until the late 1600s. It replaced the former word used for medical doctors— leech , which is now considered archaic. 

WATCH: When Did The Word "Doctor" Become Medical?

Physician vs. doctor : are these synonyms.

While the term physician is a synonym for doctor , it’s typically used to refer to those who practice general medicine rather than those who perform surgery, aka surgeons . 

A quack , on the other hand, is defined as “ a fraudulent or ignorant pretender to medical skill.”

What does M.D. mean?

Moving on to initials that carry more weight than a nod from Bugs, let’s look at M.D.s .

M.D. , which can be used with or without the periods ( M.D. or MD )  is the designation for a medical doctor. This is earned by attending medical school (typically a four-year program after completing at least one undergraduate degree, plus a residency program), and learning to diagnose patients’ symptoms and offer treatment. 

The initials M and D stem from the Latin title  Medicīnae Doctor. There are many different types of doctors, with different specialties, but if you have a physical ailment, visiting a doctor with the initials M.D. is a good place to start.

Specialty doctors may add even more initials to their title, such as DCN (doctor of clinical nutrition), DDS (doctor of dental surgery), or countless others they acquire with additional training. To make things even more confusing, some may add abbreviations from medical associations they belong to, such as FAAEM (Fellow of the American Academy of Emergency Medicine). 

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What does Ph.D. mean?

As for Ph.D. , this stands for “doctor of philosophy.” It stems from the Latin term Philosophiae Doctor.

You can get a Ph.D. in any number of subjects, from anthropology to mythological studies. It’s not an easy feat, however, as to earn one, you must do original research and write a dissertation . 

Ph.D. vs. M.D .: are these synonyms?

There are two big differences between Ph.D. s and M.D .s. When it comes to medicine, M.D.s can prescribe medications, and Ph.D.s can’t. And yes, it’s possible to be both an M.D. and a Ph.D. In fact, some med schools offer programs in which you can achieve both simultaneously. 

You can also get a professional doctorate degree in a number of fields. For example, you might receive a doctorate of education, an  Ed.D . 

So, in a nutshell, both M.D.s and Ph.Ds can be referred to as doctors . If you’re looking for someone to treat what ails you physically, then you want at least an M.D. following their name. If you want to dig deep into a subject and get advice from someone who has done their own research and who likely knows the latest and greatest developments in a particular area, then you’re probably looking for a Ph.D. And if someone has both, even better—depending on your needs, it may be just what the doctor ordered.

Want more synonyms? Get Thesaurus.com’s sizzling synonyms right in your inbox! 

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Academia Insider

Is a PhD a Doctor? [The full guide]

The term “Dr” is very prestigious and projects expertise and respect in those who use it. There is a long and complicated history with the doctor title and who should (and shouldn’t) use it. Medical doctors, lecturers, and other medical professionals use it, but where did it come from and is a PhD a doctor?

Yes, a person with a PhD is a Doctor and use the “Dr” title before their name. This is not to be confused with a medical doctor. There is a complex history with this term but is currently accepted for people who hold a PhD as well as a wide range of other professions.

I have a PhD in chemistry and I call myself Doctor Stapleton in professional settings and when I want to let certain entities know that I have been awarded a PhD. In my experience, other PhD holders mainly use their titles in a similar way.

This article will cover everything you need to know about the Dr title and who can and cannot use it.

There have been people who have argued that the term doctor should be reserved for people who have studied and are practising medicine so that there is little confusion about the people suitably qualified to make health care decisions for you.

However, as you will see through this article the doctor title has a very long history that has nothing to do with the medical field at all.

Where the term Doctor comes from

For those that love a little bit of word history:

is a PhD a doctor

The word doctor comes from the Latin verb ”docere” which means to teach or is used to refer to a scholar.

In history the doctor title was invented to signify that a person was an imminent scholar. The doctorates date as far back as the 1300s and those who were able to get the doctor title in front of their name were rewarded with a lot of respect and prestige.

These people were often the lecturers of their day and would therefore teach many students in their areas of expertise.

Therefore, I think it is reasonable to conclude that the original intended use of doctor was for academics and scholars.

As time went on, the doctor title was awarded to other professions that wanted to elicit the same level of respect and prestige.

Health professionals receive an undergraduate degree in medicine and can call themselves doctor. However, these are professional degrees (undergraduate qualifications) and not really considered doctorates in the true sense of the word – it is more of an honorary title.

I don’t think that anyone with a PhD really cares about who is using it and accept that the majority of the public think that anyone with a doctor title has a medical degree.

I know that I was very excited to receive my doctor title but the excitement soon wears off when you realise that it doesn’t really matter in everyday life – but it still makes you and your parents proud.

These days, the doctor title is used by a variety of non-academic professions and it can get a little bit confusing.

So let’s have a look at who can actually use the doctor title and where it came from.

Who can use “doctor”

Even though the original use of the doctor title was for imminent scholars, nowadays there are several different professional qualifications that can use the doctor title.

It’s no surprise that more professional qualifications want to use the doctor title as it indicates many years of study, status and makes parents very proud.

A 2016 peer-reviewed publication submitted to the Canadian Medical Association Journal asks who is entitled to the title of Doctor?

Exactly who can use this term is starting to get a little bit confusing for the public.

There are many honorific doctor titles, including those found in the table below.

Medical doctorsPharmacistsDentists
Veterinary surgeonsLawyers (Doctor of Juris)Podiatrists
Naturopath’sChiropractors 

The use of the doctor term for many healthcare-related qualifications can cause a fair bit of confusion about what qualification the person has achieved.

That is why the title of a person is only the second most important thing to look at.

If in doubt, have a look at the letters after their name to really understand what the doctor title is referring to.

There are some interesting deviations in the doctor title and interestingly, in the UK, surgeons do not refer to themselves as doctor but rather use the term Mr/Miss/Mrs/Ms etc. I had a family friend who was a brain surgeon who was a medical doctor and, after becoming a surgeon, changed back to Mr – a prestigious indicator in the medical field.

It’s strange to me how each field has its own customs to denote prestige.

There are arguments that in a professional and medical setting that the term doctor should be reserved for those who are medical doctors.

This can be difficult as many other healthcare professionals have also received doctorates in their specialisation and would want recognition for that effort and achievement.

In a 2011 article in the New York Times , physicians said that they were worried about losing control over the title of doctor because it could lead to a loss of control over the perception of the medical profession itself.

Anything that makes it more difficult for patients to make an informed decision about their healthcare could be very dangerous.

However, the fact that they are using this doctor title at all is a deviation from its original intention. Here is why the doctor title really is only meant for holders of a Doctor of Philosophy.

PhDs – the original doctors(?)

PhD stands for Doctor of Philosophy and, arguably, accounts for the only true use of the doctor title.

Being awarded a PhD means that you have completed postgraduate original and/or applied research that adds a significant contribution to the knowledge in a particular field.

It could be a PhD gained at a university or a professional doctorate but should signify that the owner of the title has completed the highest qualification obtainable in their field.

I talk about this in my short YouTube video:

You don’t necessarily have to use your doctor title after you have your PhD.

I know that there are many people who only use their Dr title in professional settings or as a way to stand out in other settings.

I only use my PhD title when I am in a setting where it is traditionally used. For example, I use my doctor title if I am giving a talk at a university or I am applying for funding within my field of expertise.

Some PhD holders find it a little bit awkward using their Dr title in everyday life whilst others use it on everything from rental applications to restaurant bookings.

How people use their Dr title once they have one is completely up to personal and individual choice. Initially, I was very excited to use my doctor title in as many situations as possible but quickly became wary of using it when it wasn’t required.

However, one of my guilty pleasures is seeing my doctor title on a plane ticket – I’m not quite sure why that is!

What you should call a PhD holder/your lecturers

One of the most common questions that I get asked when I am lecturing at a university is what students should call their lecturers.

Students can get confused with all of the formalities – especially if they have never been in a university before.

Professors, associate professors, doctors, lecturers, researchers – what does it all mean and how should you refer to academics?

Ultimately, it depends on the person.

Some PhD holders who lecture in a university want to be called by their official title and surname during every interaction.

Other lecturers and PhD holders are happy with students calling them by their first name. I certainly didn’t mind people calling me Andy during my workshops or lectures.

Also, some cultures are much more formal than others and wish to show respect by always using the official title of an academic.

Feel free to use whichever mode of interaction you wish – but, as a general rule, always err on the side of caution and use the more formal term for safety. Quite often, I have seen academics prompt students to use their first name as they also feel a little bit awkward being called their professional titles.

Doctor vs professor

When you graduate from a PhD you are entitled to call yourself by the doctor title.

All PhD holders are called Doctor in their professional setting. This can be on business cards, newsletters, websites, and other official documentation.

Universities in some countries also have a graduated career progression title system which denotes the expertise and seniority of the academic.

For example, in Australia the academic system is graduated like this:

  • Senior lecturer
  • Associate Professor

Therefore, in Australia it is not always appropriate to call someone in a university professor. Even if they are teaching your subject.

Professor is reserved for those who have achieved demonstrated expertise and outcomes in a variety of academic areas such as administration, teaching, research, and community outreach.

In other countries, however, you are automatically deemed a professor if you are teaching at a university. For example, in America your students will refer to you as a professor no matter your seniority in your university.

One of the first things you should do if you want to talk to your lecturer in a university setting is ask what their preference would be to be called.

Ask your lecturer about their preference

Whenever I gave a lecture, I would always start by saying that people can call me by my name (Andy), or they can choose to use Dr Stapleton if they feel that is more appropriate.

In my experience, most academics will not mind if you call them by their first name and, in countries like Australia, it seems to be the most common way for students to interact with their teachers.

It is not uncommon for the opposite to be true – and, like I have mentioned above, always start with the formal interactions. It is likely that you will be invited to call the PhD holder by their first name.

Outside of a formal setting most PhD holders really don’t mind how you talk to them.

The things a PhD student needs to do to become a doctor

The reason a PhD can call themselves doctor is because they have been awarded the highest qualification possible in their field.

A PhD requires you to perform research and produce a thesis or dissertation. The new information must contribute significantly to the field and report novel and new findings.

The PhD thesis is examined by other experts in the field (known as peers) and these other experts are responsible for telling the university whether or not you have satisfied the criteria to become a PhD.

There are other, more modern, ways of reporting your findings including peer-reviewed journals and professional doctoral reports.

Either way, admission to a PhD requires many years of hard work and dedication to answering a unique and unanswered question in your field.

I think that this satisfies the original use of the term doctor and is a great accomplishment for anyone.

It’s hard work but with the right guidance and dedication it is achievable by almost anyone.

Wrapping up

This article has covered everything you need to know about whether a PhD is a doctor.

The original term was introduced in the 1300s to denote an imminent scholar. This scholar would teach and pass on information to their students.

In modern times, the term doctor has been used as an honorary title for other professional careers in recognition of the hard work that they have put in to achieve their position.

However, there are fears that the doctor title is slowly becoming used for too many health professional areas leading to confusion around who is a medical doctor and who has other health-related qualifications such as dentistry, naturopathy, and others.

Nonetheless, people without an understanding of the convention can still get confused between medical doctors and holders of a higher degree PhD.

is phd a dr

Dr Andrew Stapleton has a Masters and PhD in Chemistry from the UK and Australia. He has many years of research experience and has worked as a Postdoctoral Fellow and Associate at a number of Universities. Although having secured funding for his own research, he left academia to help others with his YouTube channel all about the inner workings of academia and how to make it work for you.

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is phd a dr

Is a PhD a Doctor? Demystifying Academic Titles

As you’ve thought about going back to school to earn a PhD degree, you might have wondered, “Is a PhD a doctor?”

Is a PhD a Doctor? Demystifying Academic Titles

It’s worth exploring the answer to this question, because a PhD is a doctor, but not in the way some might think.

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As you learn more about what it means to hold a PhD, you’ll also discover facts about what this degree entails and where it may take you in life. In the process, you can find out whether getting a PhD is the right choice for you!

Is a PhD a Doctor?

scientific researchers with PhD in Biochemistry

Yes, a PhD is a doctor. That’s because this degree is also called a Doctor of Philosophy. Having a PhD demonstrates that you are an expert who can contribute new research to your field.

Despite the “doctor” title, having a PhD doesn’t mean that you can practice medicine. It’s entirely different from being a medical doctor (MD). To understand what a PhD is, it helps to know what’s involved.

To earn a PhD, you’ll take a series of courses. You’ll also complete a huge research and writing project called a dissertation. This project will focus on a specific niche within your subject area. There may be comprehensive examinations involved as well.

Examples of PhD degrees include:

  • PhD in Biochemistry
  • PhD in Computer Science
  • PhD in Chemical Engineering
  • PhD in Economics
  • PhD in History
  • PhD in Management

In a PhD program, you’ll explore the theoretical side of your field. You might produce new research that can contribute to people’s understanding of your subject area and can help guide how practitioners carry out their work.

Generally, someone who earns a PhD doesn’t intend to be a practitioner. For example, a person getting a PhD in Management may not plan to become a business manager. Rather, that student wants to explore management theories that can improve organizational and business practices. This sets PhD degrees apart from another type of doctoral degree—the applied or professional doctorate.

People who earn professional doctorates want an expert-level education that they can apply to the work that they do in their field. For example, for a person who plans to be a business manager, a Doctor of Business Administration (DBA) could be fitting.

A person with a PhD, on the other hand, often intends to become a scientific researcher or a professor. It’s a degree focused on academia. Regardless of the distinctions between these degrees, people with PhDs, applied doctorates, and MD degrees can all be called “doctor” in most contexts.

What Is a PhD?

student pursuing a PhD degree

A Doctor of Philosophy (PhD) is an advanced degree that involves expert-level research and learning. In most fields, a PhD represents the highest level of learning available, so it’s often known as a terminal degree. This type of doctoral degree is research oriented.

In addition to taking classes, students undertake a major research project that contributes new ideas or theories to their field. This project involves writing a sizable paper known as a dissertation. Getting a PhD sets many students on the path toward a career in academia as an educator or a researcher.

Do You Need a PhD to Be a Professor?

College professor discussing with students

The requirements for becoming a professor can vary greatly from one college to another, but a PhD is not always necessary. It can certainly help, though, especially if you’re seeking a full-time tenured position at a major university. Many schools accept other terminal degrees, such as professional doctorates, as well.

Do professors need a PhD ? In some cases, a doctoral degree may not be essential. A master’s degree and professional experience may suffice for technical instructors, such as those in allied health fields. Also, some schools require only a master’s degree for teaching lower-level courses. Community colleges are a prime example.

What’s the Difference Between an MD vs. PhD Degree?

Although you can call someone with a PhD “doctor,” it’s not the same as being a healthcare provider. It’s essential to understand this distinction when asking, “Are PhD doctors?”

So, if you have a PhD are you a doctor? Yes, that will be your title, but it won’t qualify you to practice medicine.

What’s the Difference Between a Professional Doctorate vs. PhD?

Many fields include two options for terminal degrees: professional doctorate degrees and PhDs. Your goals can help you determine which is best for you.

When considering the differences between a PhD vs. doctorate degree, neither of these degrees is “higher” than the other in terms of education level.

Getting Your PhD Degree Online

student getting PhD Degree online

Now that you have an answer to the question “Does a PhD make you a doctor?” you may be ready to enroll in a PhD program and earn your doctoral degree. A number of universities now offer one year online doctoral programs.

In addition to granting you the title of “doctor,” this type of degree program can also benefit your career and provide personal fulfillment. Perhaps you’ll become a researcher, a professor, or a leader in your industry. You could also have the pride and satisfaction of knowing you’ve accomplished a huge undertaking.

You can earn your PhD through online study with an accredited university. You can start exploring top schools for online PhD programs today.

is phd a dr

A Doctor of Philosophy or Doctorate

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More than 54,000 students earned doctoral degrees in 2016, the latest year for which figures are available, a 30 percent increase since 2000, according to the  National Science Foundation . A Ph.D., also called a doctorate, is a "Doctor of Philosophy" degree, which is a misleading moniker because most Ph.D. holders are not philosophers. The term for this increasingly popular degree derives from the original meaning of the word "philosophy," which comes from the ancient Greek word  philosophia , meaning "love of wisdom."

What Is a Ph.D.?

In that sense, the term "Ph.D." is accurate, because the degree has historically been a license to teach, but it also signifies that the holder is an "authority, in full command of (a given) subject right up to the boundaries of current knowledge, and able to extend them," says  FindAPhD , an online Ph.D. database. Earning a Ph.D. requires a hefty financial and time commitment— $35,000 to $60,000  and two to eight years—as well as research, creating a thesis or dissertation, and possibly some teaching duties.

Deciding to pursue a Ph.D. can represent a major life choice. Doctoral candidates require additional schooling after completing a master's program to earn their Ph.D.: They must complete additional coursework, pass comprehensive exams , and complete an independent dissertation in their field. Once completed, though, a doctoral degree—often called a "terminal degree"—can open doors for the Ph.D.holder, especially in academia but also in business.

Core Courses and Electives

To obtain a Ph.D., you need to take a group of core courses as well as electives, totaling about 60 to 62 "hours," which are roughly the equivalent of units at the bachelor's degree level. For example, Washington State University offers a  Ph.D. in crop science . Core courses, which make up about 18 hours, include such subjects as introduction to population genetics, plant transmission genetics, and plant breeding.

Additionally, the student must make up the remaining required hours through electives. The  Harvard T.H. Chan School of Public Health  offers a doctoral degree in Biological Sciences in Public Health. After core courses such as laboratory rotations, biological sciences seminars, and core principles of biostatistics and epidemiology, the Ph.D. candidate is required to take electives in related fields such as advanced respiratory physiology, advanced respiratory physiology, and ecological and epidemiological control of parasitic diseases. Degree-granting institutions across the board want to ensure that those who earn Ph.D.s have broad knowledge in their chosen field.

Thesis or Dissertation and Research

A Ph.D. also requires students to complete a large scholarly project known as a  dissertation , a research report—usually 60-plus pages—which signifies that they are able to make significant independent contributions to their chosen field of study. Students take on the project, also known as a  doctoral thesis , after completing the core and elective coursework and passing a  comprehensive examination . Through the dissertation, the student is expected to make a new and creative contribution to a field of study and to demonstrate her expertise.

According to the Association of American Medical Colleges, for example, a strong medical dissertation relies heavily on the creation of a specific hypothesis that can be either disproved or supported by data collected through independent student research. Further, it must also contain several key elements starting with an introduction to the problem statement, conceptual framework, and research question as well as references to literature already published on the topic. Students must show that the  dissertation  is relevant, provides new insight into the chosen field, and is a topic that they can research independently.

Financial Aid and Teaching

There are several ways to pay for a doctoral degree: scholarships, grants, fellowships, and government loans, as well as teaching.  GoGrad , a graduate school information website, provides such examples as the:

  • Science, Mathematics, and Research for Transformation (SMART) Scholarship for Service Program, which provides full tuition and an annual stipend of $25,000 to $38,000.
  • National Defense Science and Engineering Graduate Fellowship, a three-year graduate fellowship that is designed to support doctoral students across 15 engineering disciplines
  • National Science Foundation Graduate Research Fellowship Program, a three-year program that provides an annual stipend of $34,000 and a $12,000 cost-of-education allowance for tuition and fees

As it does for bachelor's and master's degrees, the federal government also offers several  loan programs  to help students finance their Ph.D. studies. You generally apply for these loans by filling out the free application for federal student aid ( FAFSA ). Students planning to go into teaching after obtaining their doctoral degrees often also supplement their income by teaching undergraduate classes at the schools where they are studying. The University of California, Riverside, for example, offers a "teaching award"—essentially a stipend applied toward tuition costs—for Ph.D. candidates in English who teach undergraduate, beginning-level, English courses

Jobs and Opportunities for Ph.D. Holders

Education accounts for a large percentage doctoral awards, with elementary education, curriculum and instruction, educational leadership and administration, special education, and counselor education/ school counseling topping the list. Most universities in the United States require a Ph.D. for candidates who seek teaching positions, regardless of the department.

Many Ph.D. candidates seek the degree, however, to boost their current salaries. For example, a health, sports, and fitness educator at a community college would realize a bump in annual pay for obtaining a Ph.D. The same holds for educational administrators. Most such positions require only a master's degree, but obtaining a Ph.D. generally leads to an annual stipend that school districts add to the annual salary. That same health and fitness instructor at a community college could also move on from a teaching position and become a dean at a community college—a position that requires a Ph.D.—boosting his pay to  $120,000 to $160,000  a year or more.

So, the opportunities for a doctoral degree holder are wide and varied, but the cost and commitment required are significant. Most experts say you should know your future career plans before you make the commitment. If you know what you want to get out of the degree, then the years of required study and sleepless nights may well be worth the investment.

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  2. Can a PhD be called Doctor? Doctoral Degree Titles

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