Teresa Mastroianni FNP
About this NPIWhat this record shows.
NPI 1295533537 is registered to Teresa Mastroianni FNP, a Family Nurse Practitioner practising at 117 W Central St in Natick, Massachusetts. Family Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Teresa Mastroianni FNP has been enumerated in the National Provider Identifier (NPI) registry since 2025.
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 Teresa Mastroianni FNP accepts. To confirm in-network status with your specific health plan, contact Teresa Mastroianni FNP directly at (508) 566-5943.
Frequently asked
Yes. NPI 1295533537 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Nurse Practitioner 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 (508) 566-5943.
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. Teresa Mastroianni FNP is a Type-1 individual NPI.