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

Individual provider Rheumatology Physician · NPI 1164542197

Dr. Meggan Mackay, MD is a Rheumatology in Manhasset, New York. Graduated from New York Medical College in 1991, 35 years ago. Practices with North Shore-Lij Medical PC, a 6,350-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
35
Trained at
New York Medical College
Licensed in
NY
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

350 Community Dr
Manhasset, NY 11030-3816
Phone: (516) 562-3838
Fax: (516) 562-2537
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 196738 (NY)

Record details

NPI number1164542197
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 31, 2007
Last updated in NPPESJuly 22, 2008
Mailing address350 Community Dr, Manhasset, NY 11030-3816

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1991 (35 years in practice)
Group practice North Shore-Lij Medical Pc — 6350 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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