Mark Hoornstra M.D.
About this NPIWhat this record shows.
NPI 1255498580 is registered to Mark Hoornstra M.D., a Emergency Medical Services (Emergency Medicine) Physician practising at 100 Port Washington Blvd, Dept. Of Emerency Medicine in Roslyn, New York. Emergency Medical Services (Emergency Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mark Hoornstra M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
- 01298902NY
Source: NPPES public registry.
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 Hoornstra M.D. accepts. To confirm in-network status with your specific health plan, contact Mark Hoornstra M.D. directly at (516) 562-6605.
Frequently asked
Yes. NPI 1255498580 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Emergency Medical Services (Emergency Medicine) 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 (516) 562-6605.
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 Hoornstra M.D. is a Type-1 individual NPI.