133VN1005X — Renal Nutrition Registered Dietitian

133VN1005X is the NUCC provider taxonomy code for Renal Nutrition Registered Dietitian, a specialization within Dietitian, Registered (individual providers). 677 providers in our latest NPPES snapshot list it as their primary taxonomy.

Taxonomy code	133VN1005X
Display name	Renal Nutrition Registered Dietitian
Grouping	Dietary & Nutritional Service Providers
Classification	Dietitian, Registered
Specialization	Nutrition, Renal
Section	Individual
Directory	Dietitian, Registered provider directory

Definition

An individual who is a Board Certified Specialist in Renal Nutrition and works directly with adult and/or pediatric patients with acute kidney injury, chronic kidney disease (CKD) stages 1-5, or receiving renal replacement therapies (dialysis/transplant) in a variety of settings, OR works indirectly in management, education, or research practice linked specifically to renal nutrition. The specialist in renal/nephrology nutrition is responsible for nutrition assessment, diagnosis, intervention, monitoring, and evaluation.

Definition from the NUCC Health Care Provider Taxonomy code set.

Related taxonomy codes

133V00000X — Registered Dietitian
133VN1101X — Gerontological Nutrition Registered Dietitian (Dietitian, Registered)
133VN1006X — Metabolic Nutrition Registered Dietitian (Dietitian, Registered)
133VN1201X — Obesity and Weight Management 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)
133VN1501X — Sports Dietetics Nutrition Registered Dietitian (Dietitian, Registered)

Frequently asked questions

What does taxonomy code 133VN1005X mean?

133VN1005X is the NUCC Health Care Provider Taxonomy code for Renal 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 133VN1005X?

Browse the Dietitian, Registered directory, or use the NPI search and filter by state.

Source: CMS NPPES (public data). Snapshot 2026-07-09.