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

Individual provider Obstetrics & Gynecology Physician · NPI 1689799447

Dr. John P. Brennan, MD is an Obstetrics & Gynecology Physician in Brooklyn, 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

220 Pacific St
Brooklyn, NY 11201-5713
Phone: (718) 222-3636
Fax: (718) 222-4921
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Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 174425 (NY)

Record details

NPI number1689799447
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 20, 2007
Last updated in NPPESJanuary 29, 2014
Mailing address220 Pacific St, Brooklyn, NY 11201-5713

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