NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Robert B Grossman, M.D.

Sports Medicine (Orthopaedic Surgery) Physician in Shrewsbury, NJ · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1801847942

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Robert B Grossman
Credential M.D.
Sex Male
Practice address Shrewsbury, NJ, 07702
Fax (732) 542-4847
Enumeration date May 13, 2006
Last updated in NPPES Nov 13, 2018

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207XX0005X Sports Medicine (Orthopaedic Surgery) Physician Allopathic & Osteopathic Physicians · License 25MA03307600 (NJ) Primary
207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License MA33076 (NJ) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
2519305 Medicaid NJ -

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Robert Grossman?
The National Provider Identifier (NPI) for Robert Grossman is 1801847942, a Type 1 (individual) record in the CMS NPPES registry.
Where does Robert Grossman practice?
The practice location on file with NPPES is in Shrewsbury, NJ. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-11-13.