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

Gary S Rosenbaum MD PC

Organization Infectious Disease Physician · NPI 1346559192

Gary S Rosenbaum MD PC is an Infectious Disease Physician in Riverhead, New York. Licensed in New York. Registered with an NPI since 2010.

Licensed in
NY
In the registry since
2010
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

887 Old Country Rd Ste A
Riverhead, NY 11901-2115
Phone: (631) 727-6122
Fax: (631) 727-2672
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 1735421 (NY)

Record details

NPI number1346559192
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Sharyn Donnelly — Office Administrator · (631) 727-6122
NPI enumeratedSeptember 28, 2010
Last updated in NPPESSeptember 28, 2010
Mailing address887 Old Country Rd, Suite A, Riverhead, NY 11901-2115

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