William Hahn MD PHD
About this NPIWhat this record shows.
NPI 1457313652 is registered to William Hahn MD PHD, a Medical Oncology Physician practising at 450 Brookline Ave, Dana-Farber Cancer Institute in Boston, Massachusetts. Medical Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. William Hahn MD PHD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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
- 2938104· Issued by AETNA US HEALTHCARE
- 43532· Issued by FALLON COMMUNITY HEALTH P
- G45978DF· Issued by HPHC DFCI ONLY
- J17650MA· Issued by BLUE CROSS BLUE SHIELD
- 900002593· Issued by RR MEDICARE BINNEY MED
- 3000502· Issued by UNITED HEALTH CARE
- 150494· Issued by TUFTS
- 2972574· Issued by CIGNA
Medicaid
- 3165221MA
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 William Hahn MD PHD accepts. To confirm in-network status with your specific health plan, contact William Hahn MD PHD directly at (617) 632-2641.
Frequently asked
Yes. NPI 1457313652 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Medical Oncology 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) 632-2641.
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. William Hahn MD PHD is a Type-1 individual NPI.