Mack Lee Sullivan MD Functional Medicine PC
About this NPIWhat this record shows.
NPI 1962333633 is registered to Mack Lee Sullivan MD Functional Medicine PC, a healthcare organisation classified as "Primary Care Clinic" and located at 369 White Plains Rd in Eastchester, New York. The organisation's authorised official is Mack Sullivan. The organisation has been enumerated in the NPI registry since 2026.
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 Mack Lee Sullivan MD Functional Medicine PC accepts. To confirm in-network status with your specific health plan, contact Mack Lee Sullivan MD Functional Medicine PC directly at (914) 395-3691.
Frequently asked
Yes. NPI 1962333633 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Primary Care Clinic 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 (914) 395-3691.
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. Mack Lee Sullivan MD Functional Medicine PC is a Type-2 organisational NPI.