NPPES file of Aug 9, 2026

Marvin Jerry Chang, M.D.

Internal Medicine Physician · Torrance, CA

Marvin Jerry Chang, M.D. is an internal medicine physician with a practice address in Torrance, California, and NPI 1891138483, issued on Apr 12, 2013. Check the license (California A135580, as entered in NPPES) on the Medical Board of California; 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
1891138483
Name
Marvin Jerry Chang
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A135580 CA
Self-reported in NPPES; status is on the state search
Practice location
3330 Lomita Blvd, Torrance, CA 90505
Phone
(310) 214-0811
Enumerated
Apr 12, 2013
Record last updated
Apr 30, 2026
Medicare enrollment
Enrolled (PECOS I20160818002191); accepts Medicare assignment
Medical or professional school
State University Of New York At Buffalo School Of Medicine, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3330 Lomita Blvd

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

  1. Frank Albano, MS, RDNRegistered Dietitian1235987447
  2. Mark Ancheta, M.D.Anesthesiology Physician1750303020
  3. Elisa Anhalt, MDEmergency Medicine Physician1194773424
  4. Michael Anzivino, MDCritical Care Medicine (Internal Medicine) Physician1164479119
  5. Anthony Arellano-Kruse, M.D.Anesthesiology Physician1144358755
  6. Gregory Baetge, M.D.Anatomic Pathology & Clinical Pathology Physician1962507657

Verify Marvin Jerry Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A135580
    Check 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
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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97% fewer Medicare Part D claims than the average internal medicine physician in 2024

96 Medicare Part D claims for 51 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Marvin Chang96
  2. Specialty average3,176

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

  1. Healthcare Partners Affiliates Medical GroupTorrance, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Marvin Jerry Chang among 17,696 internal medicine physician records in California

Marvin Jerry Chang, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 71% of them.

  • NPI issued2013 · 71% of these records are older, 26% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2013 · median 2004 among the 11,065 with a school on file
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

231 internal medicine physician records list a practice address in Torrance

They are 231 of the 8,901 NPPES records with a practice address in Torrance, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Tanya Arvan, MDTorrance, CA 905051104827666
  2. Madhu Chatwani, M.D.Torrance, CA 905051215993894
  3. James Ding, MDTorrance, CA 905051285614636
  4. Vadim Fanous, MDTorrance, CA 905051457329716
  5. Tyler Jung, M.D.Torrance, CA 905051194791772
  6. Chong Kim, MDTorrance, CA 905051528034485
  7. Janet Lee, D.O.Torrance, CA 905051205826633
  8. Thomas Lee, M.D.Torrance, CA 905051609842079

Common questions

What is Marvin Jerry Chang, M.D.'s NPI number?

Marvin Jerry Chang, M.D.'s National Provider Identifier (NPI) is 1891138483, issued on Apr 12, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Marvin Jerry Chang, M.D. located?

The NPPES record lists a practice address at 3330 Lomita Blvd, Torrance, CA, 90505. Phone: (310) 214-0811. Providers update this record themselves, so call before visiting.

How can I verify Marvin Jerry Chang, M.D.'s license?

NPPES lists California license number A135580, 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 Marvin Jerry Chang, M.D. prescribe under Medicare Part D?

In 2024, Marvin Jerry Chang, M.D. had 96 Medicare Part D claims for 51 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.