NPI Portal NPI Lookup & Verification

Dr. Robert Carlyle Grumet, M.D.

Dr. Robert Carlyle Grumet is a Sports Medicine (Orthopaedic Surgery) Physician provider (Orthopaedic Surgery) practicing in Orange, CA, registered in the NPPES registry with NPI 1508055393 since 2007. The credential MD stands for Doctor of Medicine.

✓ Active NPI ✓ Valid NPI checksum

NPI 1508055393
Entity type Individual (Type 1)
Name Dr. Robert Carlyle Grumet
Credential M.D.
Sex Male
Practice address 280 S MAIN ST, SUITE 200, Orange, CA, 92868
Phone 7146344567
Fax 7146344569
Enumeration date 2007-10-17
Last updated in NPPES 2012-02-07

Taxonomy & licenses

Taxonomy code Specialty Primary License State
207XX0005X Sports Medicine (Orthopaedic Surgery) Physician Primary A88210 CA

MD — Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Copy-ready billing details
Provider: Robert Grumet, M.D.
NPI: 1508055393
Taxonomy: 207XX0005X (Sports Medicine (Orthopaedic Surgery) Physician)
Address: 280 S MAIN ST, SUITE 200, Orange, CA, 92868

Other providers at this practice address

NPI Name Type Specialty Location
1891782264 Main Street Specialty Surgery Center Organization Ambulatory Surgical Clinic/Center Orange, CA
1073500351 Pablo Prietto Individual Orthopaedic Surgery Physician Orange, CA
1326035601 Robert Gorab Individual Orthopaedic Surgery Physician Orange, CA
1871580159 David Smith Individual Orthopaedic Surgery Physician Orange, CA
1134116411 Miguel Prietto Individual Sports Medicine (Orthopaedic Surgery) Physician Orange, CA
1215924592 Susanne Porter Individual Nurse Practitioner Orange, CA
1124015409 Scott Fischer Individual Sports Medicine (Orthopaedic Surgery) Physician Orange, CA
1205823580 Rodolpho Solorzano Individual Physician Assistant Orange, CA

Verify this record

Cross-check NPI 1508055393 against the authoritative CMS record: view Dr. Robert Carlyle Grumet on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where does Robert Grumet practice?
The practice location on file with NPPES is in Orange, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Robert Grumet?
The National Provider Identifier (NPI) for Robert Grumet is 1508055393, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2012-02-07.