Sierra Castonguay Ms, Lat, Atc
About this NPIWhat this record shows.
NPI 1740089606 is registered to Sierra Castonguay Ms, Lat, Atc, a Athletic Trainer practising at 96 Falmouth St in Portland, Maine. Athletic Trainer is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Sierra Castonguay Ms, Lat, Atc has been enumerated in the National Provider Identifier (NPI) registry since 2025.
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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 Sierra Castonguay Ms, Lat, Atc accepts. To confirm in-network status with your specific health plan, contact Sierra Castonguay Ms, Lat, Atc directly at (800) 800-4876.
Frequently asked
Yes. NPI 1740089606 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Athletic Trainer 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 (800) 800-4876.
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. Sierra Castonguay Ms, Lat, Atc is a Type-1 individual NPI.