Karanbir S. Grewal, M.D.
Interventional Cardiology Physician · Marysville, CA
Karanbir S. Grewal, M.D. is an interventional cardiology physician with a practice address in Marysville, California, and NPI 1235105610, issued on Feb 27, 2006. Check the license (California A53044, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Karanbir S. Grewal
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- A53044 CA
Self-reported in NPPES; status is on the state search - Practice location
- 414 G St, Marysville, CA 95901
- Phone
- (530) 749-4300
- Enumerated
- Feb 27, 2006
- Record last updated
- Sep 13, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (530) 749-3476
- Medicaid ID
- 00G530440 CA
- Medicare enrollment
- Enrolled (PECOS I20080520000859); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 414 G St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Teresa Carter, FNPNurse Practitioner1790912384
- Michael Chin, MDCardiovascular Disease Physician1083680466
- Jennifer Duncan, N.PNurse Practitioner1043495021
- Samantha Geweke, PAMedical Physician Assistant1992719322
- Hari Goyal, M.D.Internal Medicine Physician1770571515
- Shalini Gupta, M.D.Internal Medicine Physician1891783692
Verify Karanbir S. Grewal in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A53044Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
1,805 Medicare Part D claims for 268 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Metoprolol Succinate273 claims
- Atorvastatin Calcium218 claims
- Eliquis122 claims
- Amlodipine Besylate112 claims
- Carvedilol108 claims
- Lisinopril100 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 MIPS final score for 2023 (Medicare payment program): 97.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $493.70
7 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Adventist Health Physicians NetworkMarysville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Interventional Cardiology Physician providers in California
There are 632 interventional cardiology physician records in California.
Other interventional cardiology physician records in California
- Ayman AbdelkarimTorrance, CA1407353600
- Murrad Abdelkarim, M.D.Torrance, CA1073706495
- Obai Abdullah, MDCarmichael, CA1417263450
- Mohammad Abid, MD FACCIndio, CA1699857706
- Bader Abu Ghalyoun, MDStockton, CA1740492214
- Islam Abudayyeh, M.D.Redlands, CA1356451785
- Roger Acheatel, M.D.Escondido, CA1730182619
- Oluwayemisi Adejumo, M.D.Oakland, CA1699031179
- Ashish Aggarwal, M.D.Encino, CA1760682868
- Atul Aggarwal, MDBakersfield, CA1043290778
Common questions
What is Karanbir S. Grewal, M.D.'s NPI number?
Karanbir S. Grewal, M.D.'s National Provider Identifier (NPI) is 1235105610, issued on Feb 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Karanbir S. Grewal, M.D. located?
The NPPES record lists a practice address at 414 G St, Marysville, CA, 95901. Phone: (530) 749-4300. Providers update this record themselves, so call before visiting.
How can I verify Karanbir S. Grewal, M.D.'s license?
NPPES lists California license number A53044, 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 Karanbir S. Grewal, M.D. prescribe under Medicare Part D?
In 2024, Karanbir S. Grewal, M.D. had 1,805 Medicare Part D claims for 268 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
What is Karanbir S. Grewal, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.1 of 100. 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.