Gastroenterology Physician: NPI taxonomy code 207RG0100X
Taxonomy code 207RG0100X is Internal Medicine: Gastroenterology, in the Allopathic & Osteopathic Physicians group.
26,237 active NPIs list it as their primary specialty (0.3% of all).
| Code | 207RG0100X |
|---|---|
| Group | Allopathic & Osteopathic Physicians |
| Classification | Internal Medicine |
| Specialization | Gastroenterology |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 26,237 (20,888 individuals, 5,349 organizations) |
What NUCC says: An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. (excerpt of the NUCC 26.1 definition)
Find Gastroenterology Physician providers
Search the registry for providers listing Gastroenterology. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| California | 2,836 | 10.8% |
| New York | 2,374 | 9.0% |
| Florida | 2,090 | 8.0% |
| Texas | 1,842 | 7.0% |
| Pennsylvania | 1,263 | 4.8% |
| Illinois | 1,060 | 4.0% |
| New Jersey | 975 | 3.7% |
| Ohio | 891 | 3.4% |
| North Carolina | 837 | 3.2% |
| Massachusetts | 791 | 3.0% |
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
- Pulmonary Disease Physician 19,774
- Hematology & Oncology Physician 17,624
- Nephrology Physician 17,596
- Infectious Disease Physician 13,258
- Endocrinology, Diabetes & Metabolism Physician 13,019
- 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.