Sleep Medicine (Internal Medicine) Physician: NPI taxonomy code 207RS0012X
Taxonomy code 207RS0012X is Internal Medicine: Sleep Medicine, in the Allopathic & Osteopathic Physicians group.
1,967 active NPIs list it as their primary specialty (<0.1% of all).
| Code | 207RS0012X |
|---|---|
| Group | Allopathic & Osteopathic Physicians |
| Classification | Internal Medicine |
| Specialization | Sleep Medicine |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 1,967 (1,158 individuals, 809 organizations) |
What NUCC says: An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. (excerpt of the NUCC 26.1 definition)
Find Sleep Medicine (Internal Medicine) Physician providers
Search the registry for providers listing Sleep Medicine. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| California | 205 | 10.4% |
| Texas | 117 | 5.9% |
| Florida | 113 | 5.7% |
| New York | 101 | 5.1% |
| Virginia | 90 | 4.6% |
| Michigan | 90 | 4.6% |
| Pennsylvania | 84 | 4.3% |
| Ohio | 72 | 3.7% |
| Washington | 72 | 3.7% |
| Illinois | 63 | 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
- 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.