William Ellis Casac
About this NPIWhat this record shows.
NPI 1619601101 is registered to William Ellis Casac, a Addiction Counselor practising at 2435 6th Ave in Troy, New York. Addiction Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. William Ellis Casac has been enumerated in the National Provider Identifier (NPI) registry since 2022.
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 Ellis Casac accepts. To confirm in-network status with your specific health plan, contact William Ellis Casac directly at (518) 274-5143.
Frequently asked
Yes. NPI 1619601101 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 (518) 274-5143.
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 Ellis Casac is a Type-1 individual NPI.