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

Dr. Peter Henry Gruen, MD, FAPA, PC

Individual provider Psychiatry Physician · NPI 1588716849

Dr. Peter Henry Gruen, MD, FAPA, PC is a Psychiatry Physician in New York, New York. Practices as a sole proprietor. Licensed in New York.

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

18 E 77th St Apt B
New York, NY 10021-1700 Not confirmed with CMS for 19 years — call before visiting
Phone: (212) 249-2720
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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 102960 (NY)

Record details

NPI number1588716849
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , FAPA , PC
Sole proprietorYes
NPI enumeratedJanuary 17, 2007
Last updated in NPPESJuly 8, 2007

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