Becoming a naturopathic doctor (ND) requires a four-year graduate-level medical program, national board exams, and state licensure. The full path from undergraduate studies to independent practice takes roughly eight to ten years, depending on whether you complete a residency. Here’s what each stage looks like.
Licensed ND vs. Traditional Naturopath
Before mapping out the path, it’s worth understanding a distinction that affects everything from your education to your legal authority. A licensed naturopathic doctor completes an accredited four-year doctoral program and passes national board exams. Licensed NDs can diagnose conditions, order lab tests and imaging, and treat patients. In eight states, they can even prescribe certain controlled substances.
A traditional naturopath, by contrast, may receive training through non-accredited programs that vary widely in length and content. Traditional naturopaths are not eligible for licensure and cannot legally diagnose or treat medical conditions in regulated states. If your goal is to practice as a physician with diagnostic and prescriptive authority, you need the licensed ND route.
Undergraduate Prerequisites
You’ll need a bachelor’s degree before applying to naturopathic medical school, and your transcript needs to show a solid foundation in the sciences. Specific requirements vary by school, but they follow a common pattern: biology with lab work, general chemistry with labs, organic chemistry, and often biochemistry. Some programs also require physics.
At Sonoran University, for example, you need 12 semester credits of biology with labs and 3 credits each of organic chemistry and biochemistry. National University of Health Sciences requires 24 total credit hours across biology, physics, general chemistry, and organic chemistry. National University of Natural Medicine asks for four science-major-level chemistry courses covering general and organic chemistry sequences, plus two biology courses with lab components. Most schools expect these to be science-major-level courses, not introductory surveys designed for non-science students.
If your undergraduate degree was in a non-science field, you can still qualify by completing prerequisite coursework at a community college or university before applying. A few programs accept biochemistry as a substitute for a second organic chemistry course, which can save time if you’ve already taken it.
Choosing an Accredited Program
The Council on Naturopathic Medical Education (CNME) is the accrediting body that matters here. Only graduates of CNME-accredited programs qualify for licensure. There are currently six accredited institutions across the U.S., Canada, and Puerto Rico:
- Bastyr University with campuses in Kenmore, Washington and San Diego, California
- Canadian College of Naturopathic Medicine with campuses in Toronto, Ontario and New Westminster, British Columbia
- National University of Health Sciences in Lombard, Illinois
- National University of Natural Medicine in Portland, Oregon
- Sonoran University of Health Sciences in Tempe, Arizona
- Universidad Ana G. Méndez in Gurabo, Puerto Rico
These are primarily campus-based programs. You should expect to relocate to one of these areas for four years. When comparing schools, look at clinical training opportunities, elective specializations, and which states their graduates tend to practice in, since licensing requirements can vary.
What Naturopathic Medical School Covers
The ND curriculum spans a minimum of 4,100 hours across four academic years. The first two years are heavy on classroom instruction, covering anatomy, physiology, biochemistry, pathology, microbiology, immunology, and pharmacology. ND programs average 191 credits in the first two years, compared to 91 for conventional MD or DO programs. That difference reflects the additional coursework in botanical medicine, homeopathy, nutrition, physical medicine, and counseling that forms the core of naturopathic training.
Clinical training begins in the later years, with a minimum of 1,200 supervised hours spent seeing patients in teaching clinics. You’ll learn to take medical histories, perform physical exams, order and interpret lab work, and develop treatment plans. For comparison, MD and DO students complete a minimum of around 1,760 clinical clerkship hours before residency, though the structure differs significantly since much of that time is spent rotating through hospital departments.
Passing the NPLEX Board Exams
The licensing exam for naturopathic doctors is the NPLEX, administered by the North American Board of Naturopathic Examiners. It comes in two parts.
Part I covers biomedical sciences: 200 questions spanning anatomy, physiology, biochemistry, genetics, microbiology, immunology, and pathology. Most students take this after completing their basic science coursework, typically around the end of their second year.
Part II is the clinical exam, and it’s substantially larger. It consists of roughly 80 case clusters totaling 400 questions. You’ll work through clinical scenarios covering diagnosis (physical and lab-based), botanical medicine, homeopathy, nutrition, physical medicine, psychology, emergency medicine, and pharmacology. Depending on which state you plan to practice in, you may also need to pass one or more clinical elective exams in acupuncture, minor surgery, pharmacology, or parenteral medicine (injections and IV therapies).
Optional Residency Training
Residencies are not required for licensure in any state except Utah. That said, many new NDs choose to complete one to three years of post-graduate residency training before opening their own practice. A residency gives you mentored clinical experience, builds confidence with complex cases, and can help you develop a specialty area. If you’re interested in working in an integrative medical clinic alongside MDs or DOs, residency experience strengthens your credibility and referral network.
Getting Licensed in Your State
At least 23 states plus Washington, D.C. currently regulate naturopathic doctors. These include Alaska, Arizona, California, Colorado, Connecticut, Hawaii, Idaho, Kansas, Maine, Maryland, Massachusetts, Minnesota, Montana, New Hampshire, New Mexico, North Dakota, Oregon, Pennsylvania, Rhode Island, Utah, Vermont, Washington, and Wisconsin. In Canada, several provinces also regulate the profession.
What you can actually do as an ND varies dramatically by state. Fifteen states grant some form of prescriptive authority. In many of those, you’re limited to over-the-counter medications, certain legend drugs like antibiotics and epinephrine, and natural therapeutic substances such as vitamins, minerals, and hormones. Eight states go further and allow NDs to prescribe limited controlled substances: Arizona, California, New Hampshire, New Mexico, Oregon, Utah, Vermont, and Washington. Oregon’s scope is among the broadest, covering all prescription drugs including Schedule III through V controlled substances with certain exceptions. Utah’s is among the narrowest for controlled substances, limited to testosterone.
California and Vermont require supervision by an MD or DO for controlled substance prescriptions, though Vermont drops that requirement after your first 100 prescriptions. Washington and Vermont also require additional pharmacology training before granting prescriptive authority. If prescribing is important to your practice goals, research state-specific rules carefully before choosing where to settle.
In states without naturopathic licensing, your legal ability to practice is limited or nonexistent. Some NDs in unlicensed states work in advisory or wellness coaching roles, but this significantly restricts your scope.
Salary and Career Outlook
Full-time naturopathic doctors earn an average of $80,000 to $150,000 per year. Income depends on where you practice, how many patients you see weekly, how long you’ve been in practice, and whether you offer specialized procedures. NDs in private practice generally have higher earning potential than those working as employees in group clinics, but they also take on the overhead and business risk of running a practice. Geographic location matters: states with established licensing frameworks and higher patient demand for naturopathic care, like Washington, Oregon, Arizona, and California, tend to offer stronger earning opportunities.
Many NDs build their practices gradually over several years. The first one to three years after graduation often involve lower income as you establish a patient base, particularly if you’re in solo practice. Specializing in areas like pediatric naturopathy, oncology support, or hormone health can help differentiate your practice and support higher fees.