133VN1201X — Obesity and Weight Management Nutrition Registered Dietitian
133VN1201X is the NUCC provider taxonomy code for Obesity and Weight Management Nutrition Registered Dietitian, a specialization within Dietitian, Registered (individual providers). 475 providers in our latest NPPES snapshot list it as their primary taxonomy.
| Taxonomy code | 133VN1201X |
|---|---|
| Display name | Obesity and Weight Management Nutrition Registered Dietitian |
| Grouping | Dietary & Nutritional Service Providers |
| Classification | Dietitian, Registered |
| Specialization | Nutrition, Obesity and Weight Management |
| Section | Individual |
| Directory | Dietitian, Registered provider directory |
Definition
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, and exercise and physical activity interventions.
Definition from the NUCC Health Care Provider Taxonomy code set.
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Related taxonomy codes
- 133V00000X — Registered Dietitian
- 133VN1101X — Gerontological Nutrition Registered Dietitian (Dietitian, Registered)
- 133VN1006X — Metabolic Nutrition Registered Dietitian (Dietitian, Registered)
- 133VN1301X — Oncology Nutrition Registered Dietitian (Dietitian, Registered)
- 133VN1004X — Pediatric Nutrition Registered Dietitian (Dietitian, Registered)
- 133VN1401X — Pediatric Critical Care Nutrition Registered Dietitian (Dietitian, Registered)
- 133VN1005X — Renal Nutrition Registered Dietitian (Dietitian, Registered)
- 133VN1501X — Sports Dietetics Nutrition Registered Dietitian (Dietitian, Registered)
Frequently asked questions
What does taxonomy code 133VN1201X mean?
133VN1201X is the NUCC Health Care Provider Taxonomy code for Obesity and Weight Management Nutrition Registered Dietitian, a specialization of Dietitian, Registered in the "Dietary & Nutritional Service Providers" grouping. It classifies individual providers.
Where is the taxonomy code used?
Providers select a taxonomy code when applying for an NPI, and it appears on insurance claims (CMS-1500 box 33b / 837 electronic claims) to identify the provider's classification. Payers may require the taxonomy that matches your credential and license.
How do I find providers with taxonomy 133VN1201X?
Browse the Dietitian, Registered directory, or use the NPI search and filter by state.
Source: CMS NPPES (public data). Snapshot 2026-07-09.