Endocrinology, Diabetes & Metabolism Physician: NPI taxonomy code 207RE0101X
Taxonomy code 207RE0101X is Internal Medicine: Endocrinology, Diabetes & Metabolism, in the Allopathic & Osteopathic Physicians group.
13,019 active NPIs list it as their primary specialty (0.1% of all).
| Code | 207RE0101X |
|---|---|
| Group | Allopathic & Osteopathic Physicians |
| Classification | Internal Medicine |
| Specialization | Endocrinology, Diabetes & Metabolism |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 13,019 (10,414 individuals, 2,605 organizations) |
What NUCC says: 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. (excerpt of the NUCC 26.1 definition)
Find Endocrinology, Diabetes & Metabolism Physician providers
Search the registry for providers listing Endocrinology, Diabetes & Metabolism. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| California | 1,425 | 10.9% |
| New York | 1,173 | 9.0% |
| Texas | 950 | 7.3% |
| Florida | 941 | 7.2% |
| Pennsylvania | 615 | 4.7% |
| Massachusetts | 557 | 4.3% |
| New Jersey | 545 | 4.2% |
| Illinois | 526 | 4.0% |
| Maryland | 445 | 3.4% |
| Ohio | 416 | 3.2% |
Top states by practice location, from the NPPES file of September 13, 2026.
Related specialties
- Internal Medicine Physician 191,739
- Cardiovascular Disease Physician 36,469
- Gastroenterology Physician 26,237
- Pulmonary Disease Physician 19,774
- Hematology & Oncology Physician 17,624
- Nephrology Physician 17,596
- Infectious Disease Physician 13,258
- Rheumatology Physician 10,232
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.