Obesity and Weight Management Nutrition Registered Dietitian: NPI taxonomy code 133VN1201X
Taxonomy code 133VN1201X is Dietitian, Registered: Nutrition, Obesity and Weight Management, in the Dietary & Nutritional Service Providers group.
487 active NPIs list it as their primary specialty (<0.1% of all).
| Code | 133VN1201X |
|---|---|
| Group | Dietary & Nutritional Service Providers |
| Classification | Dietitian, Registered |
| Specialization | Nutrition, Obesity and Weight Management |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 487 (359 individuals, 128 organizations) |
What NUCC says: An individual who is a Board Certified Specialist for Obesity and Weight Management and educates, supports, and advocates for patients and clients to understand and manage their weight and associated risks through the use of nutritional, behavioral health, medical, surgical, pharmacotherapeutic,… (excerpt of the NUCC 26.1 definition)
Find Obesity and Weight Management Nutrition Registered Dietitian providers
Search the registry for providers listing Nutrition, Obesity and Weight Management. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| California | 51 | 10.5% |
| New York | 42 | 8.6% |
| Florida | 33 | 6.8% |
| Maryland | 32 | 6.6% |
| Texas | 26 | 5.3% |
| Massachusetts | 21 | 4.3% |
| Georgia | 20 | 4.1% |
| New Jersey | 18 | 3.7% |
| Virginia | 17 | 3.5% |
| Illinois | 16 | 3.3% |
Top states by practice location, from the NPPES file of September 13, 2026.
Related specialties
- Registered Dietitian 74,778
- Pediatric Nutrition Registered Dietitian 1,385
- Metabolic Nutrition Registered Dietitian 878
- Renal Nutrition Registered Dietitian 681
- Sports Dietetics Nutrition Registered Dietitian 272
- Oncology Nutrition Registered Dietitian 131
- Gerontological Nutrition Registered Dietitian 62
Specialty definitions are from the NUCC Health Care Provider Taxonomy (version 26.1). Which code to use on a claim depends on your NPPES record and your payer. See taxonomy codes explained.