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

John Mackenzie, MD

Individual provider Psychiatry Physician · NPI 1780110700

John Mackenzie, MD is a Psychiatry in Elmhurst, New York. Qualified in 2018, 8 years ago. Practices with New York City Health and Hospitals Corporation, a 538-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
8
Licensed in
NY
In the registry since
2017
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

7901 Broadway # D10-36
Elmhurst, NY 11373-1329
Phone: (718) 334-3501
Fax: (718) 334-5006
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 306768 (NY)

Record details

NPI number1780110700
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 11, 2017
Last updated in NPPESJuly 7, 2023
Certification dateJuly 7, 2023
Mailing address7901 Broadway # D10-36, Elmhurst, NY 11373-1329

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice New York City Health And Hospitals Corporation — 538 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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