William Black M.D.
About this NPIWhat this record shows.
NPI 1780655860 is registered to William Black M.D., a Endocrinology, Diabetes & Metabolism Physician practising at 40 Holland St, Internal Medicine in Somerville, Massachusetts. Endocrinology, Diabetes & Metabolism Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. William Black M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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
- PV509MA· Issued by HARVARD PILGRIM
- E05162MA· Issued by BLUE CROSS
- 044271MA· Issued by TUFTS
Medicaid
- 2096129MA
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 Black M.D. accepts. To confirm in-network status with your specific health plan, contact William Black M.D. directly at (617) 629-6000.
Frequently asked
Yes. NPI 1780655860 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Endocrinology, Diabetes & Metabolism 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) 629-6000.
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 Black M.D. is a Type-1 individual NPI.