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

Lionel Grossbard MD PC

Organization Hematology & Oncology Physician · NPI 1598931651

Lionel Grossbard MD PC is a Hematology & Oncology Physician in New York, New York. Registered with an NPI since 2008.

In the registry since
2008
Specialties on file
2
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

161 Fort Washington Ave
New York, NY 10032-3729
Phone: (212) 305-8399
Fax: (201) 447-8814
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X
Medical Oncology Physician Taxonomy 207RX0202X

Record details

NPI number1598931651
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Lionel Grossbard — President · (212) 305-8399
NPI enumeratedMay 7, 2008
Last updated in NPPESMay 7, 2008
Mailing address161 Fort Washington Ave, New York, NY 10032-3729

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