NPPES file of Aug 9, 2026

Eric Chang, MD

Student in an Organized Health Care Education/Training Program · Los Angeles, CA

Eric Chang, MD is a student in an organized health care education/training program with a practice address in Los Angeles, California, and NPI 1013546928, issued on Apr 2, 2020. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013546928
Name
Eric Chang
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
757 Westwood Plaza, Orthopaedic Surgery, Los Angeles, CA 90095
Phone
(310) 825-6557
Enumerated
Apr 2, 2020
Record last updated
Apr 2, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(310) 825-1311
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 757 Westwood Plaza, Orthopaedic Surgery

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Alexander King, MDStudent in an Organized Health Care Education/Training Program1023811643
  2. Daniel Razick, MDStudent in an Organized Health Care Education/Training Program1326988221

Verify Eric Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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51% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

90 Medicare Part D claims for 37 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 27 claims were for opioids.

  1. Eric Chang90
  2. Specialty average185

Most prescribed

  1. Oxycodone Hcl23 claims
  2. Celecoxib19 claims
  3. Ondansetron Odt19 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.

Eric Chang among 40,652 student in an organized health care education/training program records in California

Eric Chang, MD is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 24% of them.

  • NPI issued2020 · 24% of these records are older, 72% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileNo · 6% of these records are
  • Record last updated2020 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

6,770 student in an organized health care education/training program records list a practice address in Los Angeles

They are 6,770 of the 69,537 NPPES records with a practice address in Los Angeles, and 40,652 student in an organized health care education/training program records in California.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Heather D'Adamo, M.D.Los Angeles, CA 900951871729418
  2. Muraya Gathinji, M.D.Los Angeles, CA 900951487898532
  3. Ngozi Iroezi, M.D.Los Angeles, CA 900951467604017
  4. Jonathan Jacobs, M.D.Los Angeles, CA 900951912155193
  5. Maria Jalbrzikowski, M.A.Los Angeles, CA 900951770714610
  6. Linda Lau, M.D.Los Angeles, CA 900951437393154
  7. Jin Sun Lee, M.D.Los Angeles, CA 900951225293343
  8. Marie Ng, M.D.Los Angeles, CA 900951851523385

Common questions

What is Eric Chang, MD's NPI number?

Eric Chang, MD's National Provider Identifier (NPI) is 1013546928, issued on Apr 2, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Eric Chang, MD located?

The NPPES record lists a practice address at 757 Westwood Plaza, Orthopaedic Surgery, Los Angeles, CA, 90095. Phone: (310) 825-6557. Providers update this record themselves, so call before visiting.

How can I verify Eric Chang, MD's license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Eric Chang, MD prescribe under Medicare Part D?

In 2024, Eric Chang, MD had 90 Medicare Part D claims for 37 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.