JOHNATHAN CHOU M.D.
NPI 1043621691
Student in an Organized Health Care Education/Training Program in Pasadena, CA

Active since May 16, 2014PECOS EnrolledAccepts Medicare Assignment
100 W CALIFORNIA BLVD, PASADENA, CA 91105(626) 397-5000 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Johnathan Chou M.d. NPPES

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

JOHNATHAN CHOU M.D. (NPI 1043621691) is an individual student in an organized health care education/training program in Pasadena, California and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2013).

NPPES Registry Identity

NPI1043621691
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameJOHNATHAN CHOUCredential: M.D.
Location Address100 W CALIFORNIA BLVDPasadena, CA 91105-3010
Mailing Address100 W California BlvdPasadena, CA 91105-3010 · (626) 397-5000
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 2013
Enumeration DateMay 16, 2014
Last NPPES UpdateNovember 30, 2021
✔ NPI 1043621691 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
100 W CALIFORNIA BLVD, Pasadena, CA 91105

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

Johnathan Chou M.d. 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 ID2365744174
PECOS Enrollment IDI20160112000469
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 Reassignment

Medicare enrollment records show Johnathan Chou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Clinical Medical Laboratory
13000 PEYTON DR
Chino Hills, CA 91709
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group

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

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.

Nurse Practitioner (Acute Care)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Registered Nurse (Registered Nurse First Assistant)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Radiology (Diagnostic Radiology)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Pain Medicine (Pain Medicine)
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Rehabilitation Unit
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Hospitalist
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Emergency Medicine
100 W CALIFORNIA BLVD
PASADENA, CA 91105
Internal Medicine
100 W CALIFORNIA BLVD
PASADENA, CA 91105

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 Johnathan Chou's NPI number?

The NPI number for Johnathan Chou is 1043621691. It was assigned to this individual provider in the NPPES registry on May 16, 2014.

Where is Johnathan Chou located?

Johnathan Chou practices at 100 W California Blvd, Pasadena, CA 91105. The listed phone number is (626) 397-5000.

What is Johnathan Chou's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Johnathan Chou enrolled in Medicare?

Yes. Johnathan Chou 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 organization bills Medicare for Johnathan Chou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Johnathan Chou reassigns Medicare benefits to Southern California Permanente Medical Group (Chino Hills, CA). The 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 Johnathan Chou'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 Johnathan Chou was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.