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LEONARD A GROSSMAN M.D.
NPI 1578600136
Internal Medicine - Rheumatology in Princeton, NJ

Active since January 31, 2007
419 N HARRISON ST, PRINCETON, NJ 08540(609) 924-9300(609) 430-9481 Get Directions Write a Review

NPPES record last updated: March 12, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Leonard A Grossman M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LEONARD A GROSSMAN M.D. (NPI 1578600136) is an individual rheumatology provider in Princeton, New Jersey, licensed in New Jersey (25MA03747400) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1578600136
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameLEONARD A GROSSMANCredential: M.D.
Location Address419 N HARRISON STPrinceton, NJ 08540-3521
Mailing Address419 N Harrison StPrinceton, NJ 08540-3521 · (609) 924-9300 · Fax (609) 430-9481
Phone(609) 924-9300
Fax(609) 430-9481
Sole ProprietorNo
Enumeration DateJanuary 31, 2007
Last NPPES UpdateMarch 12, 2008
✔ NPI 1578600136 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in NJ · 25MA03747400
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
419 N HARRISON ST, Princeton, NJ 08540
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Other Identifiers 10

Medicaid1651404NJ
Medicare PIN597405AP0NJ
Other1547974United Health Care
OtherP441630Oxford Pcp
Medicare UPINE39380
OtherP1308108Oxford Specialty
Other0419803000Amerihlth Ibc Pcp Spec.
Other597405Amerihlth Admin Pcp Spec
Other854535Aetna Pcp
Other2195157Aetna Specialty

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RINKU GANDHI AGACNP-BC
Nurse Practitioner (Adult Health)
419 N HARRISON ST
PRINCETON, NJ 08540
Mercer County (609) 924-9300
DR. EDWARD VON DER SCHMIDT III MD
Neurological Surgery
419 N HARRISON ST, SUITE 204
PRINCETON, NJ 08540
Mercer County (609) 924-3614
CHAD ERIC STOCKHAM M.D.
Internal Medicine
419 N HARRISON ST
PRINCETON, NJ 08540
Mercer County (609) 924-9300
PRINCETON MEDICAL GROUP,P.A.
Internal Medicine
419 N HARRISON ST, SUITE 203
PRINCETON, NJ 08540
Mercer County (609) 924-9300
DR. JULIA T. DESANCTIS M.D.
Radiology (Diagnostic Radiology)
419 N HARRISON ST
PRINCETON, NJ 08540
Mercer County (609) 921-3345
TIFFANI METHVIEN OD
Optometrist
419 N HARRISON ST
PRINCETON, NJ 08540
Mercer County (609) 921-9437
DR. SIDNEY JACOB GOLDFARB MD
Urology
419 N HARRISON ST, STE 206
PRINCETON, NJ 08540
Mercer County (609) 921-3008
CASEY WONG M.D.
Internal Medicine (Cardiovascular Disease)
419 N HARRISON ST
PRINCETON, NJ 08540
Mercer County (609) 924-9300

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leonard Grossman's NPI number?

The NPI number for Leonard Grossman is 1578600136. It was assigned to this individual provider in the NPPES registry on January 31, 2007.

Where is Leonard Grossman located?

Leonard Grossman practices at 419 N Harrison St, Princeton, NJ 08540. The listed phone number is (609) 924-9300.

What is Leonard Grossman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

When was this NPI record last updated?

The NPPES record for Leonard Grossman was last updated on March 12, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.