Elizabeth Anne Marcus, MD
Pediatrics Physician · Los Angeles, CA
Elizabeth Anne Marcus, MD is a pediatrics physician with a practice address in Los Angeles, California, and NPI 1215114962, issued on Jan 24, 2008. Check the license (California A97233, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Anne Marcus
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A97233 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4650 W Sunset Blvd, Los Angeles, CA 90027
- Phone
- (323) 361-2122
- Enumerated
- Jan 24, 2008
- Record last updated
- Aug 29, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110506000187); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 4650 W Sunset Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hisham Abdel-Azim, MDPediatric Hematology & Oncology Physician1114018694
- Ashraf Abou-Zamzam, MDPediatric Critical Care Medicine Physician1457442931
- Karineh Aboulian, MDPediatrics Physician1275774325
- Ahmed AbuhamadStudent in an Organized Health Care Education/Training Program1386478915
- Joanna Aceto, D.D.S.Pediatric Dentistry1033522578
- Etai Adam, M.D.Pediatrics Physician1578811998
Verify Elizabeth Anne Marcus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A97233Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average pediatrics physician in 2024
77 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 53% of claims.
Most prescribed
- Sodium Chloride38 claims
- Famotidine12 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): 80.5 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- UC RegentsLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Anne Marcus among 9,272 pediatrics physician records in California
Elizabeth Anne Marcus, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 39% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2005 · median 2012 among the 754 with a school on file
- Record last updated2012 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
919 pediatrics physician records list a practice address in Los Angeles
They are 919 of the 69,537 NPPES records with a practice address in Los Angeles, and 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in Los Angeles → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Lamis Al-Ahmad, M.D.Los Angeles, CA 900271356445522
- Eyal Ben-Isaac, MDLos Angeles, CA 900271689779597
- Clement Cheung, M.D., PH.D.Los Angeles, CA 900271437165826
- Edward Epstein, M.D.Los Angeles, CA 900271568420768
- Joyce Javier, MDLos Angeles, CA 900271033172754
- Richard Ko, M.D.Los Angeles, CA 900271003841693
- Jill Lekovic, M.D.Los Angeles, CA 900271265543185
- Kanokporn Mongkolrattanothai, MDLos Angeles, CA 900271174592950
Common questions
What is Elizabeth Anne Marcus, MD's NPI number?
Elizabeth Anne Marcus, MD's National Provider Identifier (NPI) is 1215114962, issued on Jan 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Anne Marcus, MD located?
The NPPES record lists a practice address at 4650 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 361-2122. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Anne Marcus, MD's license?
NPPES lists California license number A97233, 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 Elizabeth Anne Marcus, MD prescribe under Medicare Part D?
In 2024, Elizabeth Anne Marcus, MD had 77 Medicare Part D claims; the average among pediatrics physician prescribers was 375. Part D covers Medicare prescriptions only.
What is Elizabeth Anne Marcus, MD's MIPS final score?
The 2023 MIPS final score is 80.5 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.