Keith Kosierowski
About this NPIWhat this record shows.
NPI 1871832501 is registered to Keith Kosierowski, a Counselor practising at 384 Washington St in Norwell, Massachusetts. Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Keith Kosierowski has been enumerated in the National Provider Identifier (NPI) registry since 2013.
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 Keith Kosierowski accepts. To confirm in-network status with your specific health plan, contact Keith Kosierowski directly at (781) 871-6550.
Frequently asked
Yes. NPI 1871832501 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Counselor 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 (781) 871-6550.
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. Keith Kosierowski is a Type-1 individual NPI.