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

Internal Medicine Associates at Princeton, LLC

Organization Internal Medicine Physician · NPI 1285775114

Internal Medicine Associates at Princeton, LLC is an Internal Medicine Physician in Princeton, New Jersey. Licensed in New Jersey. Registered with an NPI since 2007.

Licensed in
NJ
In the registry since
2007
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

281 Witherspoon St Ste 220
Princeton, NJ 08540-3210
Phone: (609) 921-3362
Fax: (609) 921-3584
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X (NJ)

Record details

NPI number1285775114
Entity typeOrganization (Type 2)
Organization subpartYes
Parent organizationPrinceton Internal Medicine Associates, PC
Authorized official Mark Schaeffer — President · (609) 921-3362
NPI enumeratedFebruary 12, 2007
Last updated in NPPESJuly 2, 2010
Mailing address281 Witherspoon St, Suite 220, Princeton, NJ 08540-3210

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