Yijun Chen, M.D.
Surgery Physician · Los Angeles, CA
Yijun Chen, M.D. is a surgery physician with a practice address in Los Angeles, California, and NPI 1285860023, issued on Jun 8, 2009. Check the license (California A109682, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yijun Chen
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- A109682 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Medical Plz, Los Angeles, CA 90095
- Phone
- (310) 794-7788
- Enumerated
- Jun 8, 2009
- Record last updated
- Dec 23, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 1285860023 CA
- Medicare enrollment
- Enrolled (PECOS I20140714002459); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 3,118 in California → Look up another NPI →
Also registered at 200 Medical Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elliot Abemayor, MDSurgery Physician1972527414
- Zain Al-Safi, M.D.Obstetrics & Gynecology Physician1578728317
- Paul AllynInfectious Disease Physician1588831341
- Richard Aranda, MDGastroenterology Physician1104851138
- Nilo Arnaiz, MDPulmonary Disease Physician1386678498
- Robyn Banerjee, MDRadiation Oncology Physician1174879795
Verify Yijun Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A109682Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average surgery physician in 2024
28 Medicare Part D claims for 18 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 88.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $878.70
8 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ucla Associated General SurgeonsLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yijun Chen among 3,118 surgery physician records in California
Yijun Chen, M.D. is one of 3,118 surgery physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 63% of them.
- NPI issued2009 · 63% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1995 · median 2003 among the 1,901 with a school on file
- Record last updated2019 · 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 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in California
There are 3,118 surgery physician records in California.
All 3,118 in California → Every provider in Los Angeles → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Elliot Abemayor, MDLos Angeles, CA 900951972527414
- Parviz Amid, M.D.Los Angeles, CA 900951073633459
- James Atkinson, MDLos Angeles, CA 900951336162981
- Henry Cryer, MDLos Angeles, CA 900951255342903
- Oscar Hines, MDLos Angeles, CA 900951497779581
- Darryl Hiyama, MDLos Angeles, CA 900951275544876
- Curtis Hunter, MDLos Angeles, CA 900951780624841
- Henry Kawamoto, MDLos Angeles, CA 900951053424283
Common questions
What is Yijun Chen, M.D.'s NPI number?
Yijun Chen, M.D.'s National Provider Identifier (NPI) is 1285860023, issued on Jun 8, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Yijun Chen, M.D. located?
The NPPES record lists a practice address at 200 Medical Plz, Los Angeles, CA, 90095. Phone: (310) 794-7788. Providers update this record themselves, so call before visiting.
How can I verify Yijun Chen, M.D.'s license?
NPPES lists California license number A109682, 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 Yijun Chen, M.D. prescribe under Medicare Part D?
In 2024, Yijun Chen, M.D. had 28 Medicare Part D claims for 18 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Yijun Chen, M.D.'s MIPS final score?
The 2023 MIPS final score is 88.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.