Anesthesiology Physician: NPI taxonomy code 207L00000X
Taxonomy code 207L00000X is Anesthesiology, in the Allopathic & Osteopathic Physicians group.
72,701 active NPIs list it as their primary specialty (0.8% of all).
| Code | 207L00000X |
|---|---|
| Group | Allopathic & Osteopathic Physicians |
| Classification | Anesthesiology |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 72,701 (60,795 individuals, 11,906 organizations) |
What NUCC says: An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. (excerpt of the NUCC 26.1 definition)
Find Anesthesiology Physician providers
Search the registry for providers listing Anesthesiology. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| California | 9,612 | 13.2% |
| Texas | 6,126 | 8.4% |
| New York | 5,880 | 8.1% |
| Florida | 4,433 | 6.1% |
| Illinois | 2,888 | 4.0% |
| Pennsylvania | 2,812 | 3.9% |
| Ohio | 2,294 | 3.2% |
| Massachusetts | 2,213 | 3.0% |
| New Jersey | 2,155 | 3.0% |
| Arizona | 2,122 | 2.9% |
Top states by practice location, from the NPPES file of September 13, 2026.
Related specialties
- Pain Medicine (Anesthesiology) Physician 8,042
- Pediatric Anesthesiology Physician 2,118
- Critical Care Medicine (Anesthesiology) Physician 1,452
- Addiction Medicine (Anesthesiology) Physician 171
- Hospice and Palliative Medicine (Anesthesiology) Physician 58
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.