Clinical & Laboratory Immunology (Internal Medicine) Physician: NPI taxonomy code 207RI0001X
Taxonomy code 207RI0001X is Internal Medicine: Clinical & Laboratory Immunology, in the Allopathic & Osteopathic Physicians group.
42 active NPIs list it as their primary specialty (<0.1% of all).
| Code | 207RI0001X |
|---|---|
| Group | Allopathic & Osteopathic Physicians |
| Classification | Internal Medicine |
| Specialization | Clinical & Laboratory Immunology |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 42 (23 individuals, 19 organizations) |
What NUCC says: An internal medicine physician who specializes in clinical and laboratory immunology disease management. (excerpt of the NUCC 26.1 definition)
Find Clinical & Laboratory Immunology (Internal Medicine) Physician providers
Search the registry for providers listing Clinical & Laboratory Immunology. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| Florida | 7 | 16.7% |
| California | 5 | 11.9% |
| Texas | 4 | 9.5% |
| New Jersey | 3 | 7.1% |
| West Virginia | 2 | 4.8% |
| Maryland | 2 | 4.8% |
| Washington | 2 | 4.8% |
| New York | 2 | 4.8% |
| Massachusetts | 2 | 4.8% |
| Pennsylvania | 2 | 4.8% |
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
- Endocrinology, Diabetes & Metabolism Physician 13,019
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.