ND vs. MD vs. DO: Choosing the Medical Degree That Fits the Physician You Want to Become

Dr. Retzler and I have talked about this subject many times over the years, usually in the context of how much naturopathic medicine has changed since she graduated and how different her own career might have looked had she chosen another medical degree.

Her naturopathic education was important to the physician she became. Nutrition, prevention, lifestyle, hormone balance, metabolism, and looking at the physiology behind a patient's symptoms were already part of her medical training. She did not have to discover those ideas later or seek them out because conventional medical education had largely passed over them.

At the same time, there were periods in her career when she wondered whether an MD or DO degree would have provided an easier road. Prescribing privileges, professional acceptance, residency training, hospital systems, specialty pathways, geographic mobility, and relationships with the larger medical community all look different when the degree after your name is ND.

Dr. Retzler found a way to build the career she wanted. She practiced in a state with a broad naturopathic scope, completed postgraduate training, continued studying conventional medicine and pharmacology, developed relationships with physicians outside naturopathic medicine, and gradually created a practice that looks very different from the one she began with more than two decades ago. Many talented naturopathic physicians have not had the same combination of geography, opportunity, mentorship, clinical experience, and business circumstances.

After watching those careers unfold, we think prospective students should understand the benefits of naturopathic medical education without minimizing the limitations that can come with the degree.

Choosing a Degree Around the Career You Want

Students considering naturopathic medical school often begin with questions about philosophy. They may be interested in natural medicine, nutrition, whole-person care, or reducing unnecessary reliance on pharmaceuticals. Those interests are important, but they do not tell a student very much about what daily professional life may look like ten or twenty years later.

Before choosing a degree, it is worth thinking about the career itself. Where do you hope to practice? Do you want the option of working in a hospital or large medical system? Could you eventually become interested in cardiology, endocrinology, psychiatry, surgery, oncology, or another conventional specialty? How important is formal residency training? Do you expect to prescribe broadly? Would you be comfortable building a private practice if employment opportunities were limited?

Students should also leave some room for the possibility that their interests will change. Someone entering medical school at 24 may have little interest in cardiology or endocrinology and become fascinated by one of those fields after a decade of caring for complicated patients. The degree chosen at the beginning can influence how easily a physician can move in a new direction later.

For a deeper discussion of the years after naturopathic medical school, see The Realities of Becoming a Naturopathic Physician: What Medical School Does Not Prepare You For.

What ND, DO, and MD Training Actually Provide

Accredited naturopathic medical programs are four-year doctoral programs. Students study anatomy, physiology, biochemistry, pathology, microbiology, immunology, pharmacology, diagnosis, physical examination, and clinical medicine while also receiving substantial instruction in nutrition, botanical medicine, physical medicine, lifestyle approaches, and other naturopathic therapeutics. The Association of Accredited Naturopathic Medical Colleges provides an overview of the naturopathic curriculum.

For students who already know they want nutrition and non-pharmaceutical approaches to occupy a significant place in their medical education, this is a genuine advantage. These subjects are part of the curriculum rather than interests that must be pursued later through continuing education.

MD and DO schools are built around the conventional physician pathway. Both include biomedical sciences, clinical medicine, hospital and outpatient rotations, diagnosis, pharmacology, and preparation for postgraduate medical training. DO programs add osteopathic principles, musculoskeletal medicine, and training in osteopathic manipulative medicine. The American Osteopathic Association describes osteopathic medicine as a whole-person approach that considers how lifestyle and environmental factors influence health.

The largest practical differences become apparent after graduation. MD and DO graduates enter the same national graduate medical education system. Since the completion of the single accreditation system in 2020, the Accreditation Council for Graduate Medical Education accredits residency and fellowship programs for both MDs and DOs. Several years of supervised postgraduate training are therefore built into the conventional physician pathway.

Naturopathic residencies are available, but they are not the routine next step for every ND graduate. AANMC has reported that approximately 25 to 30 percent of naturopathic physicians pursue residency training. For many graduates, the transition from medical school to independent clinical practice happens much sooner.

ND vs. DO vs. MD: A Practical Comparison

Any comparison like this has limits. Medical schools differ, residency programs differ, and individual physicians can take their careers in directions that are difficult to summarize in a table. The larger structural differences are nevertheless important for anyone deciding which professional path to pursue.

What Naturopathic Medical Education Does Well

One of the strengths of naturopathic medical education is that subjects such as nutrition, lifestyle, botanical medicine, supplements, physical medicine, environmental exposures, sleep, stress, digestion, metabolic health, and prevention receive substantial attention during the medical curriculum itself.

That background influenced Dr. Retzler's work from the beginning. She was thinking about hormones, nutrition, metabolism, lifestyle, and prevention years before longevity medicine became a recognizable medical and commercial category. Many ideas now discussed under labels such as personalized medicine, metabolic health, or preventive longevity medicine were already familiar within naturopathic training.

The education can also be valuable for physicians interested in chronic disease and complicated patients whose problems are not easily reduced to one diagnosis. Looking at sleep, diet, medications, hormones, gastrointestinal function, metabolic health, stress, body composition, and other contributors together can produce a very different clinical conversation than treating each symptom independently.

That way of thinking became part of Dr. Retzler's clinical foundation and remains visible at HormoneSynergy today. The practice has changed substantially over 25 years, but its emphasis on prevention, nutrition, physiology, and understanding the individual patient can be traced directly to her naturopathic medical training.

There is also a degree of professional flexibility in naturopathic medicine. Physicians who build outpatient practices can develop areas of expertise and practice styles that may be harder to create within a large medical system. For the right doctor in the right community, that independence can be very rewarding.

Where the ND Path Becomes More Difficult

The limitations of an ND degree become clearer when a physician begins considering where and how medicine will actually be practiced.

As of 2026, naturopathic physicians are licensed or registered in 26 U.S. jurisdictions, including 23 states, the District of Columbia, Puerto Rico, and the U.S. Virgin Islands. Scope can vary considerably among those jurisdictions. Prescribing authority, controlled substances, imaging, injections, IV therapy, primary-care recognition, insurance participation, and other privileges may be available in one state and restricted in another.

That variation affects more than the treatments a physician can provide. It can influence where someone is able to live, what kind of practice can be built, which employers are available, and whether moving to another state later in life would require a meaningful change in clinical work.

Postgraduate training presents another difference. A new ND can move into independent practice without the several years of supervised residency that normally follow MD or DO medical school. Some graduates complete naturopathic residencies, while others join established practices and learn alongside experienced physicians. Many begin private practice much sooner and have to develop clinical judgment while simultaneously learning how to run a business.

Formal specialty training is also more limited. An ND can become extremely knowledgeable in hormones, gastrointestinal medicine, metabolic health, environmental medicine, women's health, or another area of practice, but the path is different from completing an ACGME residency followed by fellowship training and recognized specialty board certification.

There is another issue that Dr. Retzler has become more conscious of with experience. Naturopathic medicine includes therapies supported by strong evidence, others with useful but incomplete evidence, and still others that have remained popular despite weak clinical support. The longer a physician practices, the more important it becomes to separate professional tradition from what the evidence and experience with actual patients justify.

Years of professional skepticism toward naturopathic medicine can understandably make some NDs defensive. We have seen that defensiveness harden into an unnecessarily adversarial view of conventional medicine. Dr. Retzler's experience moved in the opposite direction. She became more comfortable using whichever treatment made the most sense for the patient, whether it came from nutrition, lifestyle medicine, a supplement, a prescription medication, advanced diagnostic testing, or referral to another specialist.

Why a DO Degree Deserves a Serious Look

Students attracted to naturopathic medicine because of its whole-person orientation should understand the DO pathway before making a final decision.

A Doctor of Osteopathic Medicine is a fully licensed physician. DOs prescribe medications, complete hospital-based clinical training, enter medical and surgical specialties, and pursue residencies and fellowships through the same graduate medical education system used by MD physicians.

Osteopathic medical education also has its own history and philosophy. Students receive additional training in the musculoskeletal system and osteopathic manipulative medicine, with attention to the relationship among body systems and the effects of lifestyle and environment on health.

The curriculum is not interchangeable with naturopathic medical school. A student who wants extensive formal coursework in botanical medicine, nutritional therapeutics, supplements, and naturopathic treatment methods will receive considerably more of that material in an ND program. A DO who wants similar depth would generally pursue much of it through additional education during or after conventional medical training.

The advantage of the DO degree is the range of options that remains available after graduation. A physician can enter family medicine or internal medicine, pursue cardiology or endocrinology, work in a hospital, become a surgeon, or develop an integrative outpatient practice. Someone who remains interested in nutrition, hormones, lifestyle medicine, supplements, and preventive care can continue studying those areas without giving up the broader scope associated with conventional physician licensure.

For students who like much of the philosophy behind naturopathic medicine but also want standardized residency training, nationwide professional mobility, hospital access, and the ability to enter conventional specialties later, DO school deserves careful consideration.

The MD Path

The MD pathway provides essentially the same breadth of conventional career opportunities after medical school. Residency and fellowship training are established parts of the professional structure, with pathways into hospitals, academic medicine, research, medical groups, specialty practice, and surgery.

For someone deeply interested in integrative medicine, the main tradeoff is educational emphasis. Most MD programs do not devote the same amount of curricular time to nutrition, botanical medicine, supplements, and naturopathic therapeutics as an ND program. Physicians interested in those subjects often develop that knowledge through additional training.

We know MDs who practice highly integrative medicine and others whose work remains almost entirely within conventional therapeutics. The same variation exists among DOs and NDs. The degree establishes the training pathway and legal framework, but it does not determine how curious a physician will remain or how broadly that physician will eventually practice.

Why Oregon Changes the ND Equation

Dr. Retzler's career would be difficult to understand without considering where she practiced.

Oregon has historically provided one of the broader scopes of practice for licensed naturopathic physicians. The Oregon Board of Naturopathic Medicine describes Oregon NDs as primary-care practitioners and provides a comparatively expansive naturopathic scope and formulary.

That environment allowed Dr. Retzler to prescribe and develop a style of medicine that would have been much more difficult to practice in a state with narrow naturopathic laws. Over time, prescribing became increasingly important to her work in hormone replacement therapy and other areas of medicine.

Two graduates of the same naturopathic program can therefore leave medical school with identical degrees and encounter very different professional lives. One may practice in Oregon with relatively broad authority, while another may live in a state where the profession is not licensed at all or where the available scope is substantially narrower.

Anyone considering naturopathic medical school should understand the laws of the state where they hope to practice before committing to the degree. The scope available around the medical school itself may have little relevance if the graduate eventually wants to live somewhere else.

Dr. Retzler's Experience

Dr. Kathryn Retzler graduated from the National College of Naturopathic Medicine in 2001. Her early professional experience included an integrative medicine internship with Andrew Weil, MD, followed by residency training. From there, her education continued largely in response to the patients she was seeing and the areas of medicine that increasingly interested her.

Hormone replacement therapy became an important part of her practice, followed by metabolic health, healthy aging, preventive cardiology, body composition, cognitive health, and the physiology of aging. She continued studying pharmacology and conventional therapeutics, developed relationships with physicians and specialists outside naturopathic medicine, and pursued additional training throughout her career.

Twenty-five years of clinical practice also changed some of her views. Certain naturopathic treatments that seemed promising early on became less compelling as the evidence evolved or as experience with patients accumulated. Conventional treatments that might once have been approached more cautiously became useful parts of her practice when the evidence supported them. Other naturopathic approaches continued to hold up well and remain valuable today.

Her medical education gave her an unusually strong foundation in nutrition, prevention, lifestyle, and non-pharmaceutical treatment. Her career required her to keep adding to that foundation.

There were times when she wondered whether an MD or DO degree might have made portions of that career easier. That was especially true when she encountered the limits of naturopathic licensure, professional skepticism, the lack of a standardized postgraduate training system, and the difficulty of practicing the same medicine outside Oregon.

She also recognizes how much her naturopathic education influenced the physician she became. Her approach to patients, and eventually the way HormoneSynergy developed, grew from the combination rather than from one medical tradition alone.

What HormoneSynergy Has Taught Us About Integration

HormoneSynergy has evolved considerably over the years. We do not organize treatment according to whether something is naturopathic or conventional, and we have little interest in forcing patients into either category.

A patient's plan may involve nutrition, resistance training, sleep, weight management, hormone replacement therapy, prescription medications, supplements, advanced laboratory testing, DEXA, cardiovascular imaging, cognitive testing, or consultation with another specialist. Which tools belong in the plan depends on the patient, the evidence, the risks, and what we are trying to accomplish.

That approach grew gradually out of Dr. Retzler's experience. Her naturopathic training made her comfortable with prevention, nutrition, lifestyle, and non-pharmaceutical approaches. Years of prescribing and studying conventional medicine made her equally comfortable using medication when it offered the better option. Working with specialists also reinforced the importance of knowing when another physician's training was more appropriate for a particular problem.

Our use of the term integrative medicine comes from that experience. We do not mean natural medicine with conventional treatment added reluctantly, nor do we mean conventional medicine with a few supplements added around the edges. We mean practicing medicine without requiring the answer to come from one particular medical tradition.

That is also where Medicine, Not Marketing. came from. We have watched trends move through both conventional and alternative medicine, and neither side is immune to enthusiasm getting ahead of evidence.

An MD or DO who wants to practice this way begins with the conventional medical pathway and can add deeper training in nutrition, lifestyle medicine, botanical therapeutics, supplements, hormones, and other integrative disciplines over time. An ND begins medical school with much more of that material already incorporated into the curriculum and may spend the following years expanding conventional clinical knowledge within the scope allowed by the state.

Both routes can produce very good integrative physicians. Neither degree eliminates the need for continued study, mentorship, experience, and the willingness to change course when the evidence changes.

What We Would Tell a Student Today

If we were talking with a student trying to decide among ND, DO, and MD programs, we would spend less time discussing labels such as natural, holistic, or conventional and more time talking about what that student wants daily medical practice to look like.

Would you like the option to practice in a hospital? Could you imagine becoming interested in cardiology, endocrinology, psychiatry, oncology, or surgery later? Do you want several years of formal residency training immediately after medical school? How important is the ability to move anywhere in the country? Do you want prescribing authority that is not tied to a relatively small number of licensed naturopathic jurisdictions? Are you interested in owning a medical practice, or would you prefer the employment opportunities available within larger healthcare systems?

We would also ask how strongly the student wants nutrition, botanical medicine, supplements, and naturopathic therapeutics to be part of medical school itself. For some people, that education is central to the kind of physician they want to become and is a legitimate reason to pursue an ND degree.

Before making the decision, we would encourage students to talk with physicians who have been practicing for a while rather than relying entirely on medical-school admissions material. A physician five years into practice can describe the transition from school. Someone fifteen years into practice can explain how the career evolved. A physician who has been doing it for twenty-five years can usually tell you which parts of the original plan survived contact with actual medicine.

Ask them about income, debt, overhead, employment opportunities, residency, prescribing, geographic limitations, clinical autonomy, professional relationships, and what they wish they had understood when they were choosing a school.

For some students, naturopathic medical school will remain the right choice after asking those questions. They may value the education highly, choose a state with an appropriate scope, find strong mentorship, and build excellent careers. Other students may realize that the medicine they ultimately want to practice would be easier to pursue with an MD or DO degree, particularly if they want broad prescribing authority, hospital privileges, standardized residency training, geographic mobility, or access to conventional specialties.

Dr. Retzler built the career she wanted from an ND education, and we have enormous respect for what that education contributed to her work. We also know how much was added after graduation through residency, mentorship, continuing medical education, prescribing, collaboration with other physicians, business experience, teaching, and thousands of patient encounters.

If she had chosen an MD or DO path, some parts of the journey probably would have been easier and other parts of her medical education would have been different. Twenty-five years later, that is a much more useful observation than trying to declare one degree universally better than another.

A prospective student should understand what each degree provides, what it does not provide, and how those differences are likely to affect the kind of physician they hope to become.

About HormoneSynergy®

HormoneSynergy® Longevity Medicine is a physician-led preventive medicine clinic in Lake Oswego, Oregon, founded by Dr. Kathryn Retzler. Her clinical work includes hormone medicine, metabolic health, preventive cardiology, body composition, cognitive health, and preventive longevity medicine. Dr. Retzler has practiced for more than 25 years and has taught physicians nationally in hormone and age-management medicine.

Learn more about Dr. Kathryn Retzler and the HormoneSynergy approach, or read The Realities of Becoming a Naturopathic Physician.

This article discusses general differences among professional education and career pathways and is not intended as academic, admissions, legal, licensing, or financial advice. Medical and naturopathic licensure requirements, scope of practice, prescribing authority, residency requirements, institutional privileges, and other regulations vary by jurisdiction and may change. Prospective students should verify current information with individual schools, accrediting organizations, residency programs, and applicable licensing boards.