Mr. Mark Dawson Casac
About this NPIWhat this record shows.
NPI 1669167979 is registered to Mr. Mark Dawson Casac, a Addiction Counselor practising at 494 Dumont Ave in Brooklyn, New York. Addiction Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mr. Mark Dawson Casac has been enumerated in the National Provider Identifier (NPI) registry since 2023.
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. Mark Dawson Casac accepts. To confirm in-network status with your specific health plan, contact Mr. Mark Dawson Casac directly at (718) 385-4000.
Frequently asked
Yes. NPI 1669167979 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 (718) 385-4000.
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. Mark Dawson Casac is a Type-1 individual NPI.