John Graef, M.D.
John Graef, M.D. holds NPI 1982680575, with a primary taxonomy of pediatric medical toxicology physician and a practice location in Boston, MA. The number was issued on December 16, 2005 and the NPPES record was last updated on July 13, 2026. The record lists 3 taxonomy codes.
Taxonomies and licenses
| Taxonomy | Code | License |
|---|---|---|
| Pediatric Medical Toxicology Physician Primary | 2080T0002X | 33948 (MA) |
| Pediatrics Physician | 208000000X | 33948 (MA) |
| Hospitalist Physician | 208M00000X | 33948 (MA) |
Practice location
Local context
Active NPPES records list 2 providers with pediatric medical toxicology physician as the primary taxonomy within 25 miles of this practice location's ZIP code.
The same primary taxonomy is listed by 2 in Massachusetts and 21 nationwide.
These are counts from NPPES records, not a ranking or recommendation. Distances are measured between ZIP code centers, not street addresses.
Record history
- Name on record
- John W Graef
- Status
- Active
- NPI issued
- Last updated in NPPES
Is this your record? Updates are made through NPPES, the official National Plan and Provider Enumeration System.
NPPES data as of · Source: CMS NPPES
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