Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. JAMES JOHN O'LEARY, M.D.
Active Sole ProprietorDR. JAMES JOHN O'LEARY, M.D. is a Medical Oncology healthcare provider located in WALTHAM, Massachusetts. NPI 1336371012 is currently active in the NPPES registry. Verify at CMS.
Medical Oncology · WALTHAM, MA
Registration Details
- NPI Number
- 1336371012
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Aug 14, 2009 (17.037481471555 yrs)
- Last Updated
- Aug 14, 2009
- License
-
188142 (NY)
- Sole Proprietor
- Yes
Practice Information
- Address
-
830 WINTER STWALTHAM, MA, 024511477Browse MA providers · Browse ZIP 02451
- Phone
- 7818950600
- Fax
- 7818950611
- Primary Specialty
-
Medical Oncology
207RX0202X
Other Medical Oncology Providers in WALTHAM, MA
| Name | Credential | NPI |
|---|---|---|
| MELODY L CRAFT | M.D. | 1124218268 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.