DR.JOHN J. Mark And Dr. Judith L. Mark LLP
About this NPIWhat this record shows.
NPI 1285948752 is registered to DR.JOHN J. Mark And Dr. Judith L. Mark LLP, a healthcare organisation classified as "Family Medicine" and located at 951 Merrick Ave in North Merrick, New York. The organisation's authorised official is Nancy Skelton. The organisation has been enumerated in the NPI registry since 2010.
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 DR.JOHN J. Mark And Dr. Judith L. Mark LLP accepts. To confirm in-network status with your specific health plan, contact DR.JOHN J. Mark And Dr. Judith L. Mark LLP directly at (516) 489-6433.
Frequently asked
Yes. NPI 1285948752 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment.
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) 489-6433.
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. DR.JOHN J. Mark And Dr. Judith L. Mark LLP is a Type-2 organisational NPI.