SIMON CHEN MD
NPI 1093169500
Psychiatry & Neurology - Psychiatry in Los Angeles, CA

Active since April 20, 2016PECOS EnrolledAccepts Medicare Assignment
3881 S WESTERN AVE, LOS ANGELES, CA 90062(626) 441-6479(323) 293-3327 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 16, 2026, Feb 4, 2026, Apr 3, 2023 and 4 more (7 updates tracked since 2018).

About Simon Chen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIMON CHEN MD (NPI 1093169500) is an individual psychiatry provider in Los Angeles, California, licensed in California (A157162) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1093169500
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameSIMON CHENCredential: MD
Location Address3881 S WESTERN AVELos Angeles, CA 90062-1105
Mailing Address1502 Midfork CirWalnut, CA 91789-5332 · (909) 967-0093
Fax(323) 293-3327
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 20, 2016
Last NPPES UpdateApril 16, 20267 updates tracked since enumeration
NPPES CertifiedApril 16, 2026
NPI 1093169500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in CA · A157162
Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

3881 S WESTERN AVE, Los Angeles, CA 90062

Secondary Practice Locations 3

Location 1801 W San Bernardino RdCovina, CA 91722-3621 · Phone (626) 541-0207
Location 28019 Compton AveLos Angeles, CA 90001-3409 · Phone (323) 586-7333
Location 36800 Indiana Ave Ste 260Riverside, CA 92506-4287 · Phone (951) 782-0040

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Simon Chen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID547590465
PECOS Enrollment IDI20220228001559
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
51 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90062 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Rehabilitation Practitioner
3881 S WESTERN AVE
LOS ANGELES, CA 90062
Counselor
3881 S WESTERN AVE
LOS ANGELES, CA 90062
Licensed Psychiatric Technician
3881 S WESTERN AVE
LOS ANGELES, CA 90062
Case Manager/Care Coordinator
3881 S WESTERN AVE
LOS ANGELES, CA 90062
Marriage & Family Therapist
3881 S WESTERN AVE
LOS ANGELES, CA 90062
Case Manager/Care Coordinator
3881 S WESTERN AVE
LOS ANGELES, CA 90062
Rehabilitation Practitioner
3881 S WESTERN AVE
LOS ANGELES, CA 90062
Licensed Psychiatric Technician
3881 S WESTERN AVE, 2500 WILSHIRE BLVD SUITE 500
LOS ANGELES, CA 90062

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Simon Chen's NPI number?

The NPI number for Simon Chen is 1093169500. It was assigned to this individual provider in the NPPES registry on April 20, 2016.

Where is Simon Chen located?

Simon Chen practices at 3881 S Western Ave, Los Angeles, CA 90062. The listed phone number is (626) 441-6479.

What is Simon Chen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Simon Chen enrolled in Medicare?

Yes. Simon Chen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Simon Chen was last updated on April 16, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.