Jan Zislis, M.D., PLLC
About this NPIWhat this record shows.
NPI 1295104222 is registered to Jan Zislis, M.D., PLLC, a healthcare organisation classified as "Internal Medicine" and located at 3010 Westchester Ave Ste 105 in Purchase, New York. The organisation's authorised official is Jan Zislis. The organisation has been enumerated in the NPI registry since 2015.
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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 Jan Zislis, M.D., PLLC accepts. To confirm in-network status with your specific health plan, contact Jan Zislis, M.D., PLLC directly at (914) 984-5052.
Frequently asked
Yes. NPI 1295104222 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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 (914) 984-5052.
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. Jan Zislis, M.D., PLLC is a Type-2 organisational NPI.