NPPES file of Aug 9, 2026

Lisa A. Chung, M.D.

Internal Medicine Physician · Torrance, CA

Lisa A. Chung, M.D. is an internal medicine physician with a practice address in Torrance, California, and NPI 1083931794, issued on Apr 21, 2010. Check the license (California A117833, 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
1083931794
Name
Lisa A. Chung
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A117833 CA
Self-reported in NPPES; status is on the state search
Practice location
1000 W Carson St., Torrance, CA 90509
Phone
(310) 222-2409
Enumerated
Apr 21, 2010
Record last updated
Dec 8, 2025
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 1000 W Carson St.

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

  1. Albert Cespedes, M.D.Internal Medicine Physician1942527650
  2. Frances Chiang, MDNeuroradiology Physician1083835037
  3. Wael El-Nachef, M.D.Gastroenterology Physician1285951905
  4. Caroline Miranda, LCSWSocial Worker1952327207
  5. Leslie OesterichInternal Medicine Physician1245518422
  6. Sharareh ShahangianCritical Care Medicine (Internal Medicine) Physician1144508326

Verify Lisa A. Chung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A117833
    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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96% fewer Medicare Part D claims than the average internal medicine physician in 2024

129 Medicare Part D claims for 47 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Lisa Chung129
  2. Specialty average3,176

Most prescribed

  1. Gabapentin11 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.

Lisa A. Chung among 17,696 internal medicine physician records in California

Lisa A. Chung, 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 2010, is newer than 63% of them.

  • NPI issued2010 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2025 · 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. Antonio Bonet, MDTorrance, CA 905091134386956
  2. Christopher Brown, MD, MPHTorrance, CA 905091609123504
  3. Albert Cespedes, M.D.Torrance, CA 905091942527650
  4. Anuj Datta, MDTorrance, CA 905091215129416
  5. Ritu Kumar, M.D.Torrance, CA 905091063535367
  6. Patricia Loo, MDTorrance, CA 905091427215250
  7. Carmen Mendez, M.D.Torrance, CA 905091609073618
  8. Leslie OesterichTorrance, CA 905091245518422

Common questions

What is Lisa A. Chung, M.D.'s NPI number?

Lisa A. Chung, M.D.'s National Provider Identifier (NPI) is 1083931794, issued on Apr 21, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Lisa A. Chung, M.D. located?

The NPPES record lists a practice address at 1000 W Carson St., Torrance, CA, 90509. Phone: (310) 222-2409. Providers update this record themselves, so call before visiting.

How can I verify Lisa A. Chung, M.D.'s license?

NPPES lists California license number A117833, 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 Lisa A. Chung, M.D. prescribe under Medicare Part D?

In 2024, Lisa A. Chung, M.D. had 129 Medicare Part D claims for 47 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.