Cassandra Mazyck
About this NPIWhat this record shows.
NPI 1821400912 is registered to Cassandra Mazyck, a Addiction Counselor practising at 55 W 125th St, 11 Floor in New York, New York. Addiction Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Cassandra Mazyck has been enumerated in the National Provider Identifier (NPI) registry since 2014.
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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 Cassandra Mazyck accepts. To confirm in-network status with your specific health plan, contact Cassandra Mazyck directly at (212) 864-4128.
Frequently asked
Yes. NPI 1821400912 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 (212) 864-4128.
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. Cassandra Mazyck is a Type-1 individual NPI.