Mrs. Heather Difonzo M.S., Ccc-Slp
About this NPIWhat this record shows.
NPI 1740561091 is registered to Mrs. Heather Difonzo M.S., Ccc-Slp, a Speech-Language Pathology practising at 40 Parkhurst Rd in Chelmsford, Massachusetts. Speech-Language Pathology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mrs. Heather Difonzo M.S., Ccc-Slp has been enumerated in the National Provider Identifier (NPI) registry since 2011.
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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 Mrs. Heather Difonzo M.S., Ccc-Slp accepts. To confirm in-network status with your specific health plan, contact Mrs. Heather Difonzo M.S., Ccc-Slp directly at (978) 256-3151.
Frequently asked
Yes. NPI 1740561091 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Speech-Language Pathology 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 (978) 256-3151.
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. Mrs. Heather Difonzo M.S., Ccc-Slp is a Type-1 individual NPI.