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

Dr. Gregory Joseph Firman, MD

Individual provider Psychiatry Physician · NPI 1124008875

Dr. Gregory Joseph Firman, MD is a Psychiatry Physician in Brooklyn, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2006
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

225 Sterling Pl #4N
Brooklyn, NY 11238-4693
Phone: (413) 519-9603
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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 102926 (NY)

Record details

NPI number1124008875
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 19, 2006
Last updated in NPPESAugust 2, 2026
Certification dateJuly 3, 2023

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