John Graef M.D.
About this NPIWhat this record shows.
NPI 1982680575 is registered to John Graef M.D., a Pediatric Medical Toxicology Physician practising at 333 Longwood Ave in Boston, Massachusetts. Pediatric Medical Toxicology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. John Graef M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- V02406MA· Issued by BLUE CROSS
- PP624MA· Issued by HARVARD PILGRIM
- 0003908MA· Issued by NEIGHBORHOOD HEALTH
- 4147717-003MA· Issued by CIGNA
- 715698MA· Issued by TUFTS
Medicaid
- 2020785MA
Source: NPPES public registry.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans John Graef M.D. accepts. To confirm in-network status with your specific health plan, contact John Graef M.D. directly at (617) 355-8263.
Frequently asked
Yes. NPI 1982680575 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Pediatric Medical Toxicology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (617) 355-8263.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. John Graef M.D. is a Type-1 individual NPI.