Mark Koser MD PC
About this NPIWhat this record shows.
NPI 1376812396 is registered to Mark Koser MD PC, a healthcare organisation classified as "Ophthalmology Physician" and located at 3611 Richmond Ave in Staten Island, New York. The organisation's authorised official is Mark Koser. The organisation has been enumerated in the NPI registry since 2011.
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 Mark Koser MD PC accepts. To confirm in-network status with your specific health plan, contact Mark Koser MD PC directly at (718) 966-7200.
Frequently asked
Yes. NPI 1376812396 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Ophthalmology Physician 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) 966-7200.
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. Mark Koser MD PC is a Type-2 organisational NPI.