NPPES file of Aug 9, 2026

Man-Chun Mandy Chen, M.D.

Internal Medicine Physician · Los Angeles, CA

Man-Chun Mandy Chen, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1780909838, issued on Apr 1, 2010. Check the license (California A83796, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1780909838
Name
Man-Chun Mandy Chen
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A83796 CA
Self-reported in NPPES; status is on the state search
Practice location
746 N Broadway, Los Angeles, CA 90012
Phone
(213) 617-0777
Enumerated
Apr 1, 2010
Record last updated
Apr 1, 2010 (not updated in 16 years: call before relying on the address or phone)
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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Verify Man-Chun Mandy Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A83796
    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

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Man-Chun Mandy Chen among 17,696 internal medicine physician records in California

Man-Chun Mandy Chen, 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 not. Its NPI, issued in 2010, is newer than 63% of them.

  • NPI issued2010 · 63% of these records are older, 34% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2010 · 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).

1,423 internal medicine physician records list a practice address in Los Angeles

They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Paul Chu, M.D.Los Angeles, CA 900121619052628
  2. Ting-Lin Kao, M.D.Los Angeles, CA 900121508881137
  3. Youjong Ko, MDLos Angeles, CA 900121508934027
  4. Sandra Lee, M.D.Los Angeles, CA 900121457379786
  5. George Ma, M.D.Los Angeles, CA 900121528178332
  6. Meera Modi, M.D.Los Angeles, CA 900121023024916
  7. Chung Ng, M.D.Los Angeles, CA 900121285708651
  8. Huan Nguyen, M.D.Los Angeles, CA 900121841224474

Common questions

What is Man-Chun Mandy Chen, M.D.'s NPI number?

Man-Chun Mandy Chen, M.D.'s National Provider Identifier (NPI) is 1780909838, issued on Apr 1, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Man-Chun Mandy Chen, M.D. located?

The NPPES record lists a practice address at 746 N Broadway, Los Angeles, CA, 90012. Phone: (213) 617-0777. Providers update this record themselves, so call before visiting.

How can I verify Man-Chun Mandy Chen, M.D.'s license?

NPPES lists California license number A83796, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.