Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
JOHN W GRAEF, M.D.
ActiveJOHN W GRAEF, M.D. is a Medical Toxicology (Pediatrics) healthcare provider located in BOSTON, Massachusetts. NPI 1982680575 is currently active in the NPPES registry. Verify at CMS.
Medical Toxicology (Pediatrics) · BOSTON, MA
Registration Details
- NPI Number
- 1982680575
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Dec 16, 2005 (20.47456005066 yrs)
- Last Updated
- Sep 11, 2025
- Licenses
-
33948 (MA)33948 (MA)33948 (MA)
Practice Information
- Address
-
333 LONGWOOD AVEBOSTON, MA, 021155711Browse MA providers · Browse ZIP 02115
- Phone
- 6173558263
- Fax
- 6172778934
- Primary Specialty
-
Medical Toxicology (Pediatrics)
2080T0002X
- Additional Specialty
- Medical Toxicology (Pediatrics)
- Additional Specialty
- Hospitalist
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.