IndividualActive
John Sloan, M.D.
NPI 1659345320 · Hematology (Internal Medicine) Physician · Boston, MA
Provider details
- NPI number
- 1659345320
- Entity type
- Individual
- Primary specialty
- Hematology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 224033 (MA)
Practice location
830 Harrison Ave, 3rd Fl
Moakley Bldg
Boston, MA 02118-2905
Phone: (617) 638-6428
Fax: (617) 638-5756
Mailing address
960 Massachusetts Avenue
Boston, MA 02118-2690
Registry dates
- Enumerated
- 2006-02-17
- Last updated
- 2026-05-20
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.