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

Individual provider Psychiatry Physician · NPI 1881157923

Dr. Nicholas James Mahan, MD is a Psychiatry in Brooklyn, New York. Graduated from Kansas City University of Physicians and Surgeons in 2019, 7 years ago. Practices with Maimonides Department of Psychiatry Fpp, a 36-clinician group and accepts Medicare assignment. Licensed in District of Columbia.

Years since qualifying
7
Trained at
Kansas City University of Physicians and Surgeons
Licensed in
DC
In the registry since
2019
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

920 48th St
Brooklyn, NY 11219-2918
Phone: (718) 283-1955
Fax: (718) 213-4126
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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 MD048694 (DC)

Record details

NPI number1881157923
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 6, 2019
Last updated in NPPESAugust 25, 2025
Certification dateAugust 25, 2025

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Medical schoolKANSAS CITY UNIVERSITY OF PHYSICIANS AND SURGEONS
Graduated 2019 (7 years in practice)
Group practice Maimonides Department Of Psychiatry Fpp — 36 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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