Onkarjit Singh Marwah, M.D.
Cardiovascular Disease Physician · Glendale, CA
Onkarjit Singh Marwah, M.D. is a cardiovascular disease physician with a practice address in Glendale, California, and NPI 1255314514, issued on Nov 21, 2005. Check the license (California A48220, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Onkarjit Singh Marwah
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A48220 CA
Self-reported in NPPES; status is on the state search - Practice location
- 660 W Broadway, Glendale, CA 91204
- Phone
- (818) 243-9600
- Enumerated
- Nov 21, 2005
- Record last updated
- Aug 15, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (818) 243-9605
- Medicaid ID
- 00A482200 CA
- Medicare enrollment
- Enrolled (PECOS I20110513000171); accepts Medicare assignment
- Medical or professional school
- Foreign Dental Schools, 1986
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 2,574 in California → Look up another NPI →
Also registered at 660 W Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Armen Aghabegian, P.A.Cardiovascular Disease Physician1144334723
- Anna Bakalian, NPAcute Care Nurse Practitioner1093226045
- Harry Balian, M.D.Cardiovascular Disease Physician1427150952
- Tigran KhachatryanCardiovascular Disease Physician1013276872
- Haig Lafian, D.O.Interventional Cardiology Physician1497175558
- John McKenzie, M.D.Clinical Cardiac Electrophysiology Physician1366422685
Verify Onkarjit Singh Marwah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A48220Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.2 times the Medicare Part D claims of the average cardiovascular disease physician in 2024
12,967 Medicare Part D claims for 842 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate1,045 claims
- Clopidogrel902 claims
- Metoprolol Succinate679 claims
- Furosemide606 claims
- Hydralazine Hcl596 claims
- Atorvastatin Calcium559 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): 7.3 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: $3,267.85
43 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 16,686 providers of this specialty with any payment received $3,819.56 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.
Onkarjit Singh Marwah among 2,574 cardiovascular disease physician records in California
Onkarjit Singh Marwah, M.D. is one of 2,574 cardiovascular disease physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1986 · median 1999 among the 1,742 with a school on file
- Record last updated2011 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in California
There are 2,574 cardiovascular disease physician records in California.
All 2,574 in California → Every provider in Glendale → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Armen Aghabegian, P.A.Glendale, CA 912041144334723
- Harry Balian, M.D.Glendale, CA 912041427150952
- Daniel Daneshvar, MDGlendale, CA 912041457504029
- Tigran KhachatryanGlendale, CA 912041013276872
- Haroutioun Mesrobian, M.D.Glendale, CA 912041477536738
- Hieu Nguyen, M.D.Glendale, CA 912041275513590
- Sumita Paul, MDGlendale, CA 912041710960893
- Sanjay Sharma, M.D.Glendale, CA 912041265606552
Common questions
What is Onkarjit Singh Marwah, M.D.'s NPI number?
Onkarjit Singh Marwah, M.D.'s National Provider Identifier (NPI) is 1255314514, issued on Nov 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Onkarjit Singh Marwah, M.D. located?
The NPPES record lists a practice address at 660 W Broadway, Glendale, CA, 91204. Phone: (818) 243-9600. Providers update this record themselves, so call before visiting.
How can I verify Onkarjit Singh Marwah, M.D.'s license?
NPPES lists California license number A48220, 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 Onkarjit Singh Marwah, M.D. prescribe under Medicare Part D?
In 2024, Onkarjit Singh Marwah, M.D. had 12,967 Medicare Part D claims for 842 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
What is Onkarjit Singh Marwah, M.D.'s MIPS final score?
The 2023 MIPS final score is 7.3 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.