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

Mack Lee Sullivan, MD

Individual provider Geriatric Medicine (Family Medicine) Physician · NPI 1881616068

Mack Lee Sullivan, MD is an Internal Medicine in Eastchester, New York. Graduated from Albert Einstein College of Medicine of Yeshiva University in 1995, 31 years ago. Accepts Medicare assignment. Licensed in New York.

Years since qualifying
31
Trained at
Albert Einstein College of Medicine of Yeshiva University
Licensed in
NY
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

369 White Plains Rd
Eastchester, NY 10709-2805
Phone: (914) 395-3691
Fax: (914) 395-3693
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physical Medicine & Rehabilitation Physician (primary) Taxonomy 208100000X · Licence 203477 (NY)
Geriatric Medicine (Family Medicine) Physician Taxonomy 207QG0300X · Licence 203477 (NY)
General Practice Physician Taxonomy 208D00000X · Licence 203477 (NY)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 203477-1 (NY)

Record details

NPI number1881616068
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 24, 2006
Last updated in NPPESJanuary 1, 2026
Certification dateJanuary 1, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolALBERT EINSTEIN COLLEGE OF MEDICINE OF YESHIVA UNIVERSITY
Graduated 1995 (31 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount