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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARGARET MACKENZIE M.D.
NPI 1477513372
Psychiatry & Neurology - Psychiatry in Ihtaca, NY

Active since March 24, 2006
CORNELL UNIVERSITY HEALTH SERVICES, HO PLAZA, IHTACA, NY 14853(607) 255-6946(607) 254-3503 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Margaret Mackenzie M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET MACKENZIE M.D. (NPI 1477513372) is an individual psychiatry provider in Ihtaca, New York, licensed in New York (222285-1) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1477513372
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameMARGARET MACKENZIECredential: M.D.
Location AddressCORNELL UNIVERSITY HEALTH SERVICES, HO PLAZAIhtaca, NY 14853-3101
Mailing AddressCornell University Health Services, Ho PlazaIhtaca, NY 14853-3101 · (607) 255-6946 · Fax (607) 254-3503
Phone(607) 255-6946
Fax(607) 254-3503
Sole ProprietorNo
Enumeration DateMarch 24, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1477513372 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in NY · 222285-1
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
CORNELL UNIVERSITY HEALTH SERVICES, Ihtaca, NY 14853
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DIANE LOUISE SULLIVAN
Social Worker
CORNELL UNIVERSITY HEALTH SERVICES, HO PLAZA
ITHACA, NY 14853
Tompkins County (607) 255-6946
ROBIN GUSOW HAMLISCH
Social Worker
CORNELL UNIVERSITY HEALTH SERVICES, HO PLAZA
ITHACA, NY 14853
Tompkins County (607) 255-6946
DAVID WENTZEL D.O.
Family Medicine
CORNELL UNIVERSITY HEALTH SERVICES, HO PLAZA
ITHACA, NY 14853
Tompkins County (607) 255-6946
KENNETH MILES COHEN
Psychologist
CORNELL UNIVERSITY HEALTH SERVICES, HO PLAZA
ITHACA, NY 14853
Tompkins County (607) 255-6946
STEVEN L WOOD
Physical Therapy Assistant
CORNELL UNIVERSITY HEALTH SERVICES, HO PLAZA
ITHACA, NY 14853
Tompkins County (607) 255-6946
GAIL BROWN RN
Registered Nurse
CORNELL UNIVERSITY HEALTH SERVICES, HO PLAZA
ITHACA, NY 14853
Tompkins County (607) 255-6946
TRACEY DENARDO
Pharmacist
CORNELL UNIVERSITY HEALTH SERVICES, HO PLAZA
ITHACA, NY 14853
Tompkins County (607) 255-6946
ANNETTE FULLMER WALLUK RN
Registered Nurse
CORNELL UNIVERSITY HEALTH SERVICES, HO PLAZA
ITHACA, NY 14853
Tompkins County (607) 255-6946

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Mackenzie's NPI number?

The NPI number for Margaret Mackenzie is 1477513372. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Where is Margaret Mackenzie located?

Margaret Mackenzie practices at Cornell University Health Services Ho Plaza, Ihtaca, NY 14853. The listed phone number is (607) 255-6946.

What is Margaret Mackenzie's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Margaret Mackenzie was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.