Marc K. Eckstein, M.D.
Emergency Medicine Physician · Los Angeles, CA
Marc K. Eckstein, M.D. is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1922010867, issued on Aug 12, 2006. Check the license (California G69852, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marc K. Eckstein
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- G69852 CA
ME153176 FL
T4513 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1200 N State St, Los Angeles, CA 90033
- Phone
- (323) 226-6667
- Enumerated
- Aug 12, 2006
- Record last updated
- Dec 16, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G698520 CA
- Medicare enrollment
- Enrolled (PECOS I20040914001374); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1989
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1200 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Danna Abdel-Khader, MDInternal Medicine Physician1780977827
- Terri Leigh Abe, MDInternal Medicine Physician1881897569
- Mona Abedzadeh, M.A CCC-SLPSpeech-Language Pathologist1699988451
- Zachary AbelsonObstetrics & Gynecology Physician1689237414
- Laurel Aberle, MDStudent in an Organized Health Care Education/Training Program1184367484
Verify Marc K. Eckstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G69852Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average emergency medicine physician in 2024
198 Medicare Part D claims for 120 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 31 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen22 claims
- Ibuprofen19 claims
- Ondansetron Odt17 claims
- 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.
Bills Medicare through one group practice
- Team Physicians OF California Medical Group IncThousand Oaks, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marc K. Eckstein among 7,751 emergency medicine physician records in California
Marc K. Eckstein, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1989 · median 2011 among the 4,560 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Los Angeles → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Deirdre Anglin, MDLos Angeles, CA 900331306932025
- Joseph BaltrushesLos Angeles, CA 900331629152178
- Aaron Bright, M.D.Los Angeles, CA 900331023054087
- Christopher Celentano, MDLos Angeles, CA 900331972516417
- Christine DinuzzoLos Angeles, CA 900331952456741
- Sean Henderson, M.D.Los Angeles, CA 900331205887064
- Helen Ho, MDLos Angeles, CA 900331447208962
- Brian Johnston, M.D.Los Angeles, CA 900331235184367
Common questions
What is Marc K. Eckstein, M.D.'s NPI number?
Marc K. Eckstein, M.D.'s National Provider Identifier (NPI) is 1922010867, issued on Aug 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc K. Eckstein, M.D. located?
The NPPES record lists a practice address at 1200 N State St, Los Angeles, CA, 90033. Phone: (323) 226-6667. Providers update this record themselves, so call before visiting.
How can I verify Marc K. Eckstein, M.D.'s license?
NPPES lists California license number G69852, 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 K. Eckstein, M.D. prescribe under Medicare Part D?
In 2024, Marc K. Eckstein, M.D. had 198 Medicare Part D claims for 120 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.