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

Individual provider Internal Medicine Physician · NPI 1285937995

Dr. Holly B. Posner, MD is an Internal Medicine Physician in New York, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2010
Specialties on file
2
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

235 E 42nd St Mailstop: NYO-235-09-01
New York, NY 10017-5703 Not confirmed with CMS for 15 years — call before visiting
Phone: (212) 733-7557
Fax: (646) 441-6032
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence 200253 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 200253 (NY)

Record details

NPI number1285937995
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 20, 2010
Last updated in NPPESDecember 20, 2010

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