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

Howard A. Grossman, MD, PLLC

Organization Internal Medicine Physician · NPI 1669709994

Howard A. Grossman, MD, PLLC is an Internal Medicine Physician in New York, New York. Licensed in New York. Registered with an NPI since 2009.

Licensed in
NY
In the registry since
2009
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

250 W 57th St Ste 1430
New York, NY 10107-1420
Phone: (212) 247-8260
Fax: (212) 247-8262
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 162479 (NY)

Record details

NPI number1669709994
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Howard Grossman — Owner · (212) 247-8260
NPI enumeratedNovember 6, 2009
Last updated in NPPESNovember 6, 2009
Mailing address250 W 57th St, Suite 1430, New York, NY 10107-1420

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