Medical Oncology Physician: NPI taxonomy code 207RX0202X
Taxonomy code 207RX0202X is Internal Medicine: Medical Oncology, in the Allopathic & Osteopathic Physicians group.
6,422 active NPIs list it as their primary specialty (<0.1% of all).
| Code | 207RX0202X |
|---|---|
| Group | Allopathic & Osteopathic Physicians |
| Classification | Internal Medicine |
| Specialization | Medical Oncology |
| Used for | individual providers (the code is in NUCC's Individual section) |
| Active NPIs, primary specialty | 6,422 (5,825 individuals, 597 organizations) |
What NUCC says: An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer. (excerpt of the NUCC 26.1 definition)
Find Medical Oncology Physician providers
Search the registry for providers listing Medical Oncology. Pick a state to narrow it down.
Where they are
| State | Active NPIs | Share |
|---|---|---|
| Florida | 650 | 10.1% |
| New York | 591 | 9.2% |
| Texas | 584 | 9.1% |
| California | 488 | 7.6% |
| Massachusetts | 427 | 6.6% |
| Pennsylvania | 301 | 4.7% |
| Maryland | 242 | 3.8% |
| North Carolina | 228 | 3.6% |
| Michigan | 200 | 3.1% |
| Illinois | 200 | 3.1% |
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.