Simon Chen, MD
Psychiatry Physician · Los Angeles, CA
Simon Chen, MD is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1093169500, issued on Apr 20, 2016. Check the license (California A157162, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Simon Chen
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A157162 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3881 S Western Ave, Los Angeles, CA 90062
- Phone
- (626) 441-6479
- Enumerated
- Apr 20, 2016
- Record last updated
- Apr 16, 2026
- Fax
- (323) 293-3327
- Medicare enrollment
- Enrolled (PECOS I20220228001559); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 3881 S Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adriana Aceves, M.S. LMFT, PPS CWAMarriage & Family Therapist1760018196
- Oluwadamilola AkinyelureCase Manager/Care Coordinator1043850308
- Pamela Allen, LCSWClinical Social Worker1518099373
- Milagro Arias, L.V.N.Licensed Vocational Nurse1609028794
- Kristina Arjoon HarilalRehabilitation Practitioner1841065984
- Galen BabbMental Health Counselor1508905167
Verify Simon Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A157162Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average psychiatry physician in 2024
507 Medicare Part D claims for 23 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Sertraline Hcl77 claims
- Bupropion Xl48 claims
- Escitalopram Oxalate36 claims
- Mirtazapine36 claims
- Fluoxetine Hcl34 claims
- Aripiprazole28 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.
Industry payments in 2024: $39.44
1 payment: food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. The 13,693 providers of this specialty with any payment received $4,954.93 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
- Pacific ClinicsPasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Simon Chen among 8,673 psychiatry physician records in California
Simon Chen, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 77% of them.
- NPI issued2016 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2016 · median 2005 among the 3,295 with a school on file
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
987 psychiatry physician records list a practice address in Los Angeles
They are 987 of the 69,537 NPPES records with a practice address in Los Angeles, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Los Angeles → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Patricia Brodhead, MDLos Angeles, CA 900641538227475
- Michael Brodsky, M.D.Los Angeles, CA 900641336229533
- Kenneth Chuang, M.D.Los Angeles, CA 900641053487553
- Lisa Fine, MDLos Angeles, CA 900641447318985
- Elizabeth Grigor, MDLos Angeles, CA 900641255428785
- Ryan Horst, M.D.Los Angeles, CA 900641215005012
- Connie Lane, M.D.Los Angeles, CA 900641467534750
- Liliane Lebas, M.D.Los Angeles, CA 900641922178334
Common questions
What is Simon Chen, MD's NPI number?
Simon Chen, MD's National Provider Identifier (NPI) is 1093169500, issued on Apr 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Simon Chen, MD located?
The NPPES record lists a practice address at 3881 S Western Ave, Los Angeles, CA, 90062. Phone: (626) 441-6479. Providers update this record themselves, so call before visiting.
How can I verify Simon Chen, MD's license?
NPPES lists California license number A157162, 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 Simon Chen, MD prescribe under Medicare Part D?
In 2024, Simon Chen, MD had 507 Medicare Part D claims for 23 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.