doctor for phd

How to Correctly Use the Titles Dr. & PhD With a Name

How to Reference a Person With a PhD

When someone has earned a Doctor of Philosophy, or Ph.D., degree, that person is subsequently referred to as “doctor” in formal speech. The same is true of a person who is a medical doctor, psychologist, dentist or veterinarian. In formal speech, that person should be referred to as “doctor.” However, the rules are different in written form when addressing someone who is called “doctor” in formal speech. In written form, the titles “Dr.” and “Ph.D.” are not interchangeable.

Determine the Type of Doctor

First, you should identify what type of doctor you are addressing. Doctors of medicine and psychology, doctors of dentistry and doctors of veterinary medicine must be addressed differently in comparison to academic doctors who have earned a Doctor of Philosophy doctoral degree. Be advised that there are different types of doctoral degrees. A Doctor of Philosophy degree is just one kind of doctoral degree. There’s also, for example, a Doctor of Education doctoral degree and a Doctor of Psychology doctoral degree. The titles associated with the various doctoral degrees are not interchangeable. Only a person who has earned a Doctor of Philosophy degree should be addressed as Ph.D.

Addressing a Doctor in Writing

Place the title of “Dr.” before the name of a person who is a doctor of medicine or psychology, doctor of dentistry, or doctor of veterinary medicine. For example Dr. George Ross. Always write the word “doctor” in its abbreviated form when it goes before the person’s name. Never write, for example, Doctor George Ross. Do not combine the title of “Dr.” with any other title even if the person could appropriately be addressed by a different title. Never write, for example, “Dr. George Ross, Ph.D.,” even if the person is a medical doctor who has also earned a Doctor of Philosophy degree. Pick one title. Do not use the “Dr.” title when referring to someone who is solely an academic doctor.

Put a comma followed by the title “Ph.D.” after the name of a person who has earned a Doctor of Philosophy doctoral degree. For example Stacey Childs, Ph.D. Do not combine the title of “Ph.D.” with any other title even if the person could appropriately be addressed by a different title. For instance, even if the person being addressed is a doctor of medicine who has also earned a Ph.D., never write, for example, Dr. Stacey Childs, Ph.D. Pick one title. Do not use the “Ph.D.” title when referring to someone who not earned a Doctor of Philosophy doctoral degree.

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Maya Austen began freelance writing in 2009. She has written for many online publications on a wide variety of topics ranging from physical fitness to amateur astronomy. She's also an author and e-book publisher. Austen has a Bachelor of Arts in communications from the New England Institute of Art and currently lives in Boston, Mass.

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Is it correct for a PhD holder to sign as "Dr. J. Doe, PhD"?

I have seen some of the PhD holders sign as "Dr. [First Name] [Surname], PhD".

Is it academically correct to write "Dr. Frank Amoani Arthur, PhD"?

• 28 Are you in Germany? If not you can do whatever you want. –  Cape Code Commented Oct 8, 2016 at 5:42
• 3 In addition, "Dr. X Y, PhD" would be correct if the person actually holds two different doctoral degrees: a Dr. and a PhD. –  lighthouse keeper Commented Oct 8, 2016 at 6:51
• 4 I would like to add that in some fields and (sub)cultures, adding the ", PhD" bit after your name may seem unnecessarily pretentious. –  Gimelist Commented Oct 8, 2016 at 8:01
• 1 It certainly depends on the usage context. In a job talk title slide, naming the degree seems justified, while in a conference talk or in a twitter profile, it would look pretentious. –  lighthouse keeper Commented Oct 8, 2016 at 8:09
• 1 @CapeCode Not just Germany. In The Netherlands it is a criminal offense to write your name like this. The law explicitly provides that you have to choose between either writing "dr." or writing "PhD". –  Tom van der Zanden Commented Jun 22, 2021 at 7:54

7 Answers 7

There are two important points to note about name markers that refer to academic titles:

• You can have more than one of these markers in your name: Kay Doe, PhD, MD indicates a person who is both a doctor of philosophy and a doctor of medicine.
• The marker Dr. can very often be used as a variant of the post-positioned markers. If both of them are equivalent markers in your country, you can choose either marker to refer to your academic title.

These two observations make the suggested name form Dr. Kay Doe, PhD rather ambiguous.

Does it refer to a person with two doctor titles because there are two markers? Or do both markers refer to just one doctor title? But if so, why is that doctor referred to twice in one name? This may even lead to suspicion: Does the name bearer use two markers which refer to the same title with the intention to sound more impressive than their academic distinction actually warrants?

This ambiguity is avoided if you use only one title marker per title.

• 1 +1 for not asserting that something is "correct" or "incorrect" and instead focusing on what is the most effective for communication. –  Thomas Commented Jun 21, 2021 at 22:43
• In Germany, we tend to list multiple doctor titles in front of the name, e.g. Dr. phil. D. med. Dr. h.c. Max Mustermann would declare a doctor of philosophy, a medical doctor and an honorary doctor all at once. But notably, these titles must match the precise expression of a title that has been awarded. So Dr. phil. X cannot be used instead of X, PhD , except if the awarding university explicitly declared it that way. Here you can find a list of examples (need to scroll down to a table). –  xamid Commented Mar 27, 2023 at 5:59

In the US, at least the title doctor doesn't imply a medical doctor, though it includes that. My students would usually refer to me as Dr. Buffy. Someone not knowing that I hold a doctorate might call me Mr. Buffy, but Dr. Buffy is more specific.

If I wish to list my degrees after my name they aren't being used a title like Dr. or Ms.

So, being pedantic: Dr. Buffy, BA, MA, PhD. is just fine. In Germany, and places with a related academic culture, degrees are used more as titles so it is a bit different: Herr Doctor Professor Buffy.

Medical doctors (again in the US) insist on being called Doctor and have no difficulty with Dr. Foobar, MD. It would be extremely uncommon for them to be listed any other way.

• 5 "Herr Professor Doctor", actually. –  Oleg Lobachev Commented Aug 1, 2018 at 15:07
• 1 Yes, Herr Student @OlegLobachev. Kidding of course. Thanks. In the US we would garble it, of course. As I did. I listed them in the order I did because of the order I earned them. I was Doktor before I was professor. –  Buffy Commented Aug 1, 2018 at 15:12
• 2 There is a story of a quite famous mathematician (a professor) who was living with one of his students in a "romantic" relationship. He once is said to have informed her that she didn't need to refer to him with all of his titles as long as they were in private. Apocryphal? You judge. –  Buffy Commented Aug 1, 2018 at 15:15
• 1 There's a reason why physicians are Dr. Foo, M.D. The Dr. part is for public appearances, so patients perceive that they're authoritative. The M.D. part is required by regulation in some places like hospitals and medical schools, as to disambiguate Ph.D., D.O., D.D.S./D.M.D., O.D., D.V.M. etc. which all have different rights/requirements when interacting with patients. My major US institution sticks both (Dr. Foo Bar, PhD) on everybody's e-mails and ID cards and computer accounts, even for non-medical people. –  user71659 Commented Aug 2, 2018 at 7:02

I'm sure this must have been dealt with in previous questions, but the short answer is:

This is correct if you are both a medical doctor and an academic doctor. But just being an academic allows you to write Dr. (name) XOR (name) PhD.

• 12 This is not universally true. –  Cape Code Commented Oct 8, 2016 at 7:23

If you have Dr. NAME only it might cause some confusion. I was once caught in a situation where I was asked to be on standby for assistance during a medical emergency because my boarding pass identified me as Dr. MYNAME. I had to explain that the Dr was for a PhD and not for medical practises. In my opinion the academic the title should be Dr. LASTNAME or Dr. LASTNAME M.D. for a medical practitioner Dr, LASTNAME PhD for an academic qualification Dr. LASTNAME HC for an honorary doctorate ( honororium causa )

As you can see from some of the answers here, there is substantial variation in use of academic titles and suffixes for degrees. It is certainly okay to use the suffix PhD if you have a PhD, and it would be hard to mount an argument that it is "incorrect" to use a suffix for a degree you actually have. There is wide variation in what is common practice in academia, but what is most important is to consider the following practical issues:

IMPORTANT --- avoid confusion with medical doctors: In most places, in an academic context the title "Dr" is fine for someone with a PhD (though in some countries they are distinct). However, in contexts outside academia it can cause confusion. In particular, for a person with a PhD who is not a medical doctor, it is often desirable to avoid using the title "Dr" in contexts where it might cause people to think that you are the appropriate contact person in a medical emergency ---e.g., " Dr O'Neill, this man is having a heart attack - do something! " So, for example, when I am checking into a plane, or in similar circumstances, I try to ensure that I am booked in as "Mr" not "Dr", notwithstanding that the latter title would apply in an academic context.

Academics rarely use the degree suffix: Because the PhD is so common among academics, we would rarely use this suffix outside of a CV. It is common for academics to use titles (e.g., Dr, Assoc Prof, Prof, etc.) in descriptions such as a signature block, staff page, etc. It is uncommon (but not incorrect) to additionally add the suffix "PhD". The main reason most academics leave this part off is because the degree is common among academics.

Dual use might clarify or it might confuse, depending on who is reading it: If you use both a title and a suffix for the same degree, that can potentially help to understand the source of the title, or it can look awkward or cause confusion. This really depends on the audience. In most cases, if you use the title "Dr" and the suffix "PhD" then people will assume that the title comes from the degree specified in the suffix, which is accurate here. It is perhaps a bit unusual to use both, but it is not unheard of.

I think in the US anyway, you can sign your name however you wish. In my case, I am a DVM and I have a Masters degree. I want my business cards to say Dr. MYNAME, DVM, MS. I have seen multiple DVMs that write their name the same way. I think it's good to know what kind of Dr. I am, and this helps others to know it also. Even if I didn't have the Masters degree, I would likely still want my business card to say Dr. MYNAME, DVM.

• 1 What is a DVM ? –  astronat supports the strike Commented Jun 21, 2021 at 14:10
• 2 @astronat Doctor of Veterinary Medicine. –  Bryan Krause ♦ Commented Jun 21, 2021 at 14:13

Dr Jones if he has a medical degree. Mark Jones, Ph.D. or Dr. Jones, if he has a Ph.D. Never Dr. Jones, Ph. D.

• 4 What if a PhD who is also a medical doctor? I think "Never" is too strong a word. –  Nobody Commented Aug 1, 2018 at 6:34
• 5 @scaaahu Mark Jones, MD, PhD. –  Nicole Hamilton Commented Aug 1, 2018 at 9:38
• 1 @NicoleHamilton That's a good one. –  Nobody Commented Aug 1, 2018 at 9:45
• My major US university puts "Dr. Jones PhD" on everybody's ID cards, e-mails, computer accounts, directory, etc. It's because the medical school and hospital have all kinds of "Dr." running around and they need to make it easy to identify what responsibilities you have. –  user71659 Commented Aug 2, 2018 at 7:07

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Can a PhD be called Doctor? Doctoral Degree Titles

If someone holds a PhD, they are able to call themselves Doctor. The doctor title is very prestigious and often projects expertise and respect in those who decide to use it.

A person with a PhD can be called Dr. However, many people with PhD degrees choose not to use their official titles unless they are communicating in an official capacity or are working in a professional role where they use their PhD.

I reserve the use my PhD title when I am giving a talk as it provides immediate credibility whereas, I do not often use my doctor title in many other instances.

When I first got my PhD I used my doctor title a lot more than I do now. I guess, the novelty has worn off and I have decided that it is not something that defines who I am as a person and, therefore, I would only use it in an official capacity.

Should PhDs use the title “doctor” after their doctorate? 

It is a personal choice for a PhD holder to use the title of “doctor”.

In many countries, it is common practice to use the title when referring to someone with a doctoral degree.

The title of doctor holds a significant level of prestige, and it generally signifies a high level of education and expertise in a particular field. Which is why it is important to use it in an official capacity.

Those who have earned a PhD have spent many years researching, writing and defending their work and have earned the right to use the title if so desired.

The title of doctor can also be used by medical professionals, and it is important to clarify the intended meaning when using the title to avoid confusion.

The decision to use the title of doctor is a personal one that should be made with an understanding of its significance and potential implications.

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

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

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.

If you have any doubt about what degree a person holds look at the letters after their name.

If you want to know more about the doctor title check out my other article:

• How to use the PhD title and all the little doctorate “rules”
• Is a PhD a Doctor? [The full guide]

When can a PhD student be called doctor? After their dissertation?

A PhD student can be called doctor after successfully completing all the requirements of their program, including passing their dissertation defense.

More specifically, many universities only allow you to use the doctoral title after confirmation of your degree.

The University of Adelaide says that you can use it from your conferral date:

Students can be conferred on one of five dates during the year and for PhD students the conferral date will be the first available following the completion of all the academic requirements of your degree, including final thesis lodgement and the disbursement of any outstanding financial obligations to the University.

Personally, I felt comfortable using the doctor title as soon as I receive my notification letter from the University referring to me as Dr Stapleton. It was from this moment that I started using the doctor title.

There would be nothing wrong with someone using the doctor title after they have successfully defended their PhD – it just comes down to a matter of personal preference.

The title “Doctor” can still be used informally for those who hold other doctoral degrees such as a JD (Doctor of Law) or an EdD (Doctor of Education).

A PhD student can only be referred as a “Doctor” upon the completion of their doctoral program and after receiving their degree.

Why is PhD called doctor of philosophy?

A Ph.D. is called a Doctor of Philosophy because historically, philosophy was considered the foundation of all knowledge.

The word “philosophy” itself means the love of wisdom, and the pursuit of truth through reason and logic.

In medieval Europe, philosophy encompassed all forms of intellectual inquiry, including:

• mathematics,
• and history.

As universities developed and specialized in particular disciplines, the title of Doctor of Philosophy became associated with the highest level of academic achievement in any field.

This means that a Ph.D. is not limited to the study of philosophy but refers to any individual who has demonstrated the ability to conduct original research in their chosen field and make a significant contribution to advancing knowledge.

A Ph.D. signifies not only mastery of a specific subject but also the ability to think deeply and critically about complex problems. There are now many professional doctorates that include the doctor titleIn recognition of the hard work and deep thinking required to complete.

Wrapping up

Yes, PhD holders can be called Doctor.

Once you’ve completed a PhD and been conferred by your university and institution you can officially use the Dr title before your name and the PhD tag after your name.

Many doctoral degree holders only use their academic title in official settings such as academia and official duties.

Even though I was very excited about receiving my doctor title, after a couple of years the novelty wears off and I only use my official titles in the same way that someone would want to include Mr, Mrs, or Ms.

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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“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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