207R00000X
Internal Medicine Endocrinology, Diabetes & Metabolism Taxonomy Code 207RE0101X
207RE0101X
Level III - Area of Specialization
16,745Registered providers
11Medicare specialty
26.0NUCC version
54States & territories
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Code Details for 207RE0101X
About Taxonomy Code 207RE0101X
The taxonomy code 207RE0101X identifies Internal Medicine Endocrinology, Diabetes & Metabolism within the Allopathic & Osteopathic Physicians provider grouping. It is a Level III — Area of Specialization code, the most specific tier: it narrows the parent classification to a defined subspecialty.
NPI records show 16,745 registered providers whose primary or secondary taxonomy is this code. Of these, 4,164 (25%) are registered as organizations and 12,581 (75%) as individual providers. The states with the most internal medicine endocrinology, diabetes & metabolism providers are California (1,750), New York (1,372), Florida (1,173). For Medicare enrollment, it crosswalks to specialty code 11 (Physician/Internal Medicine).
Taxonomy codes are self-selected by the provider based on their education and training; they describe the provider's type and specialty, not the specific services rendered.
Provider Composition & Statistics
16,745Total providers
4,164Organizations 25%
12,581Individuals 75%
6,805Female
5,776Male
Gender is recorded for individual providers only; organizations are not gendered. Source: NPPES, last updated 2026-07-05T00:00:00.
View all 16,745 providersInternal Medicine Endocrinology, Diabetes & Metabolism Providers by State
Provider counts by U.S. state and territory. Select a state to open its provider directory.
All states (nationwide)
16,745
Alabama140Alaska20Arizona269Arkansas89California1,750Colorado254Connecticut315Delaware61District Of Columbia76Florida1,173Georgia378Guam3Hawaii49Idaho41Illinois602Indiana304Iowa79Kansas106Kentucky194Louisiana157Maine50Maryland642Massachusetts703Michigan431Minnesota261Mississippi102Missouri318Montana37Nebraska65Nevada150New Hampshire106New Jersey657New Mexico73New York1,372North Carolina504North Dakota29Ohio542Oklahoma131Oregon168Pennsylvania743Puerto Rico236Rhode Island57South Carolina221South Dakota38Tennessee260Texas1,129Utah93Vermont28Virgin Islands3Virginia432Washington315West Virginia111Wisconsin262Wyoming13
Frequently Asked Questions
207RE0101X questionsNPPES lists 16,745 registered providers with this taxonomy code (Internal Medicine Endocrinology, Diabetes & Metabolism).
Both. About 25% of these providers are registered as organizations and 75% as individuals.
It crosswalks to Medicare specialty code 11 (Physician/Internal Medicine).
It is a Level III - Area of Specialization code in the NUCC Health Care Provider Taxonomy set. As an area of specialization, it falls under the Internal Medicine classification (parent code 207R00000X).
Use the "Providers by state" directory on this page to open the list of internal medicine endocrinology, diabetes & metabolism providers registered in any U.S. state.
Source: National Uniform Claim Committee (NUCC) Health Care Provider Taxonomy code set, Version 26.0. Provider counts from NPPES. See nucc.org.
