Dr. Ernst Schaefer M.D.
About this NPIWhat this record shows.
NPI 1083803159 is registered to Dr. Ernst Schaefer M.D., a Endocrinology, Diabetes & Metabolism Physician practising at 252 Tremont St in Boston, Massachusetts. Endocrinology, Diabetes & Metabolism Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Ernst Schaefer M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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.
Medicaid
- 2080478MA
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 Dr. Ernst Schaefer M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Ernst Schaefer M.D. directly at (781) 258-1454.
Frequently asked
Yes. NPI 1083803159 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 (781) 258-1454.
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. Dr. Ernst Schaefer M.D. is a Type-1 individual NPI.