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

Dr. Ronald J. Grossman, MD

Individual provider Internal Medicine Physician · NPI 1720114853

Dr. Ronald J. Grossman, 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
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

240 Central S Park 2R
New York, NY 10019-1435
Phone: (212) 818-0853
Fax: (212) 265-0217
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 105739 (NY)

Record details

NPI number1720114853
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 25, 2007
Last updated in NPPESDecember 20, 2015

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