NPPES file of Aug 9, 2026

Robert Carlyle Grumet, M.D.

Sports Medicine (Orthopaedic Surgery) Physician · Orange, CA

Robert Carlyle Grumet, M.D. is a sports medicine (orthopaedic surgery) physician with a practice address in Orange, California, and NPI 1508055393, issued on Oct 17, 2007. Check the license (California A88210, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508055393
Name
Robert Carlyle Grumet
Credential
M.D.
Primary taxonomy
Sports Medicine (Orthopaedic Surgery) Physician 207XX0005X
License number
A88210 CA
Self-reported in NPPES; status is on the state search
Practice location
280 S Main St, Orange, CA 92868
Phone
(714) 634-4567
Enumerated
Oct 17, 2007
Record last updated
Feb 7, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(714) 634-4569
Medicare enrollment
Enrolled (PECOS I20090904000185); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 2003
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 280 S Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Natalie AdairPhysician Assistant1538506134
  2. Hazel Ando, A.T.,C.Athletic Trainer1851336416
  3. Lawrence Barnett, MDOrthopaedic Surgery Physician1386631406
  4. Steven Barnett, MDOrthopaedic Surgery Physician1750378030
  5. Paul Beck, MDOrthopaedic Surgery Physician1356322879
  6. Laura Bertsch, PA-CPhysician Assistant1881283299

Verify Robert Carlyle Grumet in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A88210
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

51% fewer Medicare Part D claims than the average sports medicine (orthopaedic surgery) physician in 2024

140 Medicare Part D claims for 78 beneficiaries, against an average of 288 among the 2,562 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Robert Grumet140
  2. Specialty average288

Most prescribed

  1. Meloxicam62 claims
  2. Celecoxib28 claims
  3. Methylprednisolone11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 52.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score38.5
  2. Costout of 100 · 30%54.8
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $288.19

7 payments; by number, the most common kind was food and beverage; the largest payer was Vericel Corporation. The 2,400 providers of this specialty with any payment received $19,779.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Grumet$288
  2. Specialty average$19,779

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Orthopaedic Specialty Institute Medical Group OF Orange CountyIrvine, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Robert Carlyle Grumet among 384 sports medicine (orthopaedic surgery) physician records in California

Robert Carlyle Grumet, M.D. is one of 384 sports medicine (orthopaedic surgery) physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 43% of them.

  • NPI issued2007 · 43% of these records are older, 43% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated2003 · median 2003 among the 293 with a school on file
  • Record last updated2012 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XX0005X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Sports Medicine (Orthopaedic Surgery) Physician providers in California

There are 384 sports medicine (orthopaedic surgery) physician records in California.

The 8 sports medicine (orthopaedic surgery) physician records with the nearest ZIP codes

  1. Melissa AlbersheimOrange, CA 928681922661362
  2. Garwin Chin, MDOrange, CA 928681215424452
  3. Scott Fischer, MDOrange, CA 928681124015409
  4. Tyler Johnston, M.D.Orange, CA 928681881031177
  5. Aditi MajumdarOrange, CA 928681144608381
  6. Kevin Parvaresh, M.D.Orange, CA 928681902243934
  7. Brett Peterson, MDOrange, CA 928681770564718
  8. Miguel Prietto, MDOrange, CA 928681134116411

Common questions

What is Robert Carlyle Grumet, M.D.'s NPI number?

Robert Carlyle Grumet, M.D.'s National Provider Identifier (NPI) is 1508055393, issued on Oct 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Robert Carlyle Grumet, M.D. located?

The NPPES record lists a practice address at 280 S Main St, Orange, CA, 92868. Phone: (714) 634-4567. Providers update this record themselves, so call before visiting.

How can I verify Robert Carlyle Grumet, M.D.'s license?

NPPES lists California license number A88210, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert Carlyle Grumet, M.D. prescribe under Medicare Part D?

In 2024, Robert Carlyle Grumet, M.D. had 140 Medicare Part D claims for 78 beneficiaries; the average among sports medicine (orthopaedic surgery) physician prescribers was 288. Part D covers Medicare prescriptions only.

What is Robert Carlyle Grumet, M.D.'s MIPS final score?

The 2023 MIPS final score is 52.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.