1. Home
  2. Directory
  3. California
  4. Los Angeles
  5. Family Medicine
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JUSTIN CHEN DO
NPI 1629728696
Family Medicine - Sports Medicine in Los Angeles, CA

Active since March 24, 2022PECOS EnrolledAccepts Medicare Assignment
4733 SUNSET BLVD, 3RD FLOOR, LOS ANGELES, CA 90027(323) 783-1433 Get Directions Write a Review

NPPES record last updated: October 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 6, 2026, Nov 24, 2025 (2 updates tracked since 2025).

About Dr. Justin Chen Do NPPES

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

DR. JUSTIN CHEN DO (NPI 1629728696) is an individual sports medicine provider in Los Angeles, California, licensed in California (20A21704) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS and is a graduate of At Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa (2022).

NPPES Registry Identity

NPI1629728696
Entity TypeIndividualMale
Primary Taxonomy207QS0010X
Provider Legal NameDR. JUSTIN CHENCredential: DO
Location Address4733 SUNSET BLVD, 3RD FLOORLos Angeles, CA 90027
Mailing Address4733 W Sunset Blvd, 3rd FloorLos Angeles, CA 90027 · (323) 783-1433
Phone(323) 783-1433
Sole ProprietorYes
Medical School CMSAt Still Un Of Hlth Sciences, Col Of Osteo Med, MesaGraduated 2022
Enumeration DateMarch 24, 2022
Last NPPES UpdateOctober 6, 20262 updates tracked since enumeration
NPPES CertifiedOctober 6, 2026
✔ NPI 1629728696 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Sports MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QS0010X
License✔ Licensed in CA · 20A21704
Definition
A family medicine physician that is trained to be responsible for continuous care in the field of sports medicine, not only for the enhancement of health and fitness, but also for the prevention of injury and illness. A sports medicine physician must have knowledge and experience in the promotion of wellness and the prevention of injury. Knowledge about special areas of medicine such as exercise physiology, biomechanics, nutrition, psychology, physical rehabilitation, epidemiology, physical evaluation, injuries (treatment and prevention and referral practice) and the role of exercise in promoting a healthy lifestyle are essential to the practice of sports medicine. The sports medicine physician requires special education to provide the knowledge to improve the health care of the individual engaged in physical exercise (sports) whether as an individual or in team participation.
4733 SUNSET BLVD, Los Angeles, CA 90027
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Justin Chen Do 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 ID7911438718
PECOS Enrollment IDI20241003003400
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Justin Chen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
Same address
Health Maintenance Organization
4760 W SUNSET BLVD
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1134151657 (323) 783-4011
Pih Health Physicians
2.4 mi
Cardiovascular Disease
3663 W 6TH ST STE 309
Los Angeles, CA 90020
  • Reassigned Medicare billing, California enrollment
  • 840 clinicians in this Medicare group
NPI 1518625367 (213) 387-8200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90027 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Justin Chen's NPI number?

The NPI number for Justin Chen is 1629728696. It was assigned to this individual provider in the NPPES registry on March 24, 2022.

Where is Justin Chen located?

Justin Chen practices at 4733 Sunset Blvd 3rd Floor, Los Angeles, CA 90027. The listed phone number is (323) 783-1433.

What is Justin Chen's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Sports Medicine, with taxonomy code 207QS0010X.

Is Justin Chen enrolled in Medicare?

Yes. Justin 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.

Which organizations bill Medicare for Justin Chen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Justin Chen reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Los Angeles, CA) and Pih Health Physicians (Los Angeles, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Justin Chen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Justin Chen was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.