Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mack Lee Sullivan MD Functional Medicine PC

Organization Primary Care Clinic/Center · NPI 1962333633

Mack Lee Sullivan MD Functional Medicine PC is a Primary Care Clinic/Center in Eastchester, New York. Registered with an NPI since 2026.

In the registry since
2026
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

369 White Plains Rd
Eastchester, NY 10709-2805
Phone: (914) 395-3691
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Primary Care Clinic/Center (primary) Taxonomy 261QP2300X

Record details

NPI number1962333633
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mack Sullivan — Medical Director · (914) 395-3691
NPI enumeratedMay 28, 2026
Last updated in NPPESMay 28, 2026
Certification dateMay 28, 2026
Mailing address369 White Plains Rd, Eastchester, NY 10709-2805

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