Addiction Medicine (Internal Medicine) Physician: NPI taxonomy code 207RA0401X
Taxonomy code 207RA0401X is Internal Medicine: Addiction Medicine, in the Allopathic & Osteopathic Physicians group.
1,045 active NPIs list it as their primary specialty (<0.1% of all).
| Code | 207RA0401X |
|---|---|
| Group | Allopathic & Osteopathic Physicians |
| Classification | Internal Medicine |
| Specialization | Addiction Medicine |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 1,045 (609 individuals, 436 organizations) |
What NUCC says: An internist doctor of osteopathy that specializes in the treatment of addiction disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Added Qualifications in the field of Addiction Medicine. (excerpt of the NUCC 26.1 definition)
Find Addiction Medicine (Internal Medicine) Physician providers
Search the registry for providers listing Addiction Medicine. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| California | 116 | 11.1% |
| Florida | 83 | 7.9% |
| New York | 74 | 7.1% |
| Ohio | 72 | 6.9% |
| Pennsylvania | 58 | 5.6% |
| New Jersey | 52 | 5.0% |
| Massachusetts | 46 | 4.4% |
| Maryland | 45 | 4.3% |
| Michigan | 44 | 4.2% |
| Tennessee | 43 | 4.1% |
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.