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

M J Meltzer & D G Kassan MD LLP

Organization Internal Medicine Physician · NPI 1427155605

M J Meltzer & D G Kassan MD LLP is an Internal Medicine Physician in Roslyn Heights, New York. Registered with an NPI since 2006.

In the registry since
2006
Specialties on file
2
What do these letters mean?
LLP — Limited liability partnership
A form of business registration, not a clinical qualification.

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Practice location Address checks out

70 Glen Cove Rd Ste 306
Roslyn Heights, NY 11577-1726
Phone: (516) 621-7720
Fax: (516) 625-4521
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X
Gastroenterology Physician Taxonomy 207RG0100X

Record details

NPI number1427155605
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Daniel Kassan — Physician · (516) 621-7720
NPI enumeratedSeptember 20, 2006
Last updated in NPPESMarch 30, 2009
Mailing address70 Glen Cove Rd, Ste 306, Roslyn Heights, NY 11577-1726

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