Nancy Ann Simonian M.D.
About this NPIWhat this record shows.
NPI 1386712123 is registered to Nancy Ann Simonian M.D., a Neurology practising at Millennium Pharmaceuticals, 40 Landsdowne St in Cambridge, Massachusetts. Neurology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Nancy Ann Simonian M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
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 Nancy Ann Simonian M.D. accepts. To confirm in-network status with your specific health plan, contact Nancy Ann Simonian M.D. directly at (617) 551-3612.
Frequently asked
Yes. NPI 1386712123 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Neurology 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) 551-3612.
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. Nancy Ann Simonian M.D. is a Type-1 individual NPI.