Marc J. Girsky, MD INC
Clinical Cardiac Electrophysiology Physician · Los Angeles, CA
Marc J. Girsky, MD INC is a clinical cardiac electrophysiology physician with a practice address in Los Angeles, California, and NPI 1215921044, issued on Sep 8, 2005. Check the license (California G83112, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marc J. Girsky
- Credential
- MD INC
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License number
- G83112 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1400 S Grand Ave, Los Angeles, CA 90015
- Phone
- (213) 748-0110
- Enumerated
- Sep 8, 2005
- Record last updated
- Mar 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (213) 748-0160
- Medicaid ID
- 00G831120 CA
- Medicare enrollment
- Enrolled (PECOS I20050316001076); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 304 in California → Look up another NPI →
Also registered at 1400 S Grand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Seidy AlejandroClinical Social Worker1538927710
- Tina Alva, D.P.T.Physical Therapist1629220496
- Ali Amini, M.D.Internal Medicine Physician1528251386
- Armaity Austin, M.D, M.P.H, FAAFPFamily Medicine Physician1558348946
- Farid Besharat, M.D.Pulmonary Disease Physician1366548620
- Harvey Brown, MDPulmonary Disease Physician1235111717
Verify Marc J. Girsky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G83112Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
898 Medicare Part D claims for 162 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Metoprolol Succinate97 claims
- Eliquis95 claims
- Carvedilol85 claims
- Flecainide Acetate73 claims
- Metoprolol Tartrate64 claims
- Digoxin56 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): 0 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: $4,836.76
74 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 3,167 providers of this specialty with any payment received $10,651.37 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.
Marc J. Girsky among 304 clinical cardiac electrophysiology physician records in California
Marc J. Girsky, MD INC is one of 304 clinical cardiac electrophysiology physician records with a practice address in California. 93% 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, 93% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated1992 · median 2002 among the 261 with a school on file
- Record last updated2012 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in California
There are 304 clinical cardiac electrophysiology physician records in California.
All 304 in California → Every provider in Los Angeles → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Ruth Strauss, M.D.Los Angeles, CA 900151679653703
- Edward Abdullah, M.D.Los Angeles, CA 900171740274547
- Anil Bhandari, M.D.Los Angeles, CA 900171669466439
- David Cannom, M.D.Los Angeles, CA 900171346234952
- Ivan Ho, MDLos Angeles, CA 900171578554002
- Jerry Kwong, MDLos Angeles, CA 900171033538004
- Ravi Sureddi, MBBSLos Angeles, CA 900171902020167
- Robert Ruelaz, M.D.Los Angeles, CA 900221881749026
Common questions
What is Marc J. Girsky, MD INC's NPI number?
Marc J. Girsky, MD INC's National Provider Identifier (NPI) is 1215921044, issued on Sep 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Marc J. Girsky, MD INC located?
The NPPES record lists a practice address at 1400 S Grand Ave, Los Angeles, CA, 90015. Phone: (213) 748-0110. Providers update this record themselves, so call before visiting.
How can I verify Marc J. Girsky, MD INC's license?
NPPES lists California license number G83112, 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 Marc J. Girsky, MD INC prescribe under Medicare Part D?
In 2024, Marc J. Girsky, MD INC had 898 Medicare Part D claims for 162 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. Part D covers Medicare prescriptions only.
What is Marc J. Girsky, MD INC's MIPS final score?
The 2023 MIPS final score is 0 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.