Dr. Mark Fisher MD, Mph
About this NPIWhat this record shows.
NPI 1932308244 is registered to Dr. Mark Fisher MD, Mph, a Rheumatology Physician practising at 55 Fruit St in Boston, Massachusetts. Rheumatology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Mark Fisher MD, Mph has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20090618000126RheumatologyMA
- I20250327002294RheumatologyRI
Source: CMS PECOS public enrollment file.
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. Mark Fisher MD, Mph accepts. To confirm in-network status with your specific health plan, contact Dr. Mark Fisher MD, Mph directly at (617) 726-7938.
Frequently asked
Yes. NPI 1932308244 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Rheumatology 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) 726-7938.
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. Mark Fisher MD, Mph is a Type-1 individual NPI.