Mr. William Grosser Msw
About this NPIWhat this record shows.
NPI 1821201245 is registered to Mr. William Grosser Msw, a Clinical Social Worker practising at 715 East St in Lenox, Massachusetts. Clinical Social Worker is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mr. William Grosser Msw has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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 Mr. William Grosser Msw accepts. To confirm in-network status with your specific health plan, contact Mr. William Grosser Msw directly at (413) 637-2868.
Frequently asked
Yes. NPI 1821201245 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Clinical Social Worker 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 (413) 637-2868.
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. Mr. William Grosser Msw is a Type-1 individual NPI.