William Morris Casac T 39091
About this NPIWhat this record shows.
NPI 1851277917 is registered to William Morris Casac T 39091, a Addiction Counselor practising at 93 Grand Blvd in Islip, New York. Addiction Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. William Morris Casac T 39091 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 William Morris Casac T 39091 accepts. To confirm in-network status with your specific health plan, contact William Morris Casac T 39091 directly at (631) 827-3150.
Frequently asked
Yes. NPI 1851277917 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Addiction 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 (631) 827-3150.
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. William Morris Casac T 39091 is a Type-1 individual NPI.