NPPES file of Aug 9, 2026

Johnathan Chou, M.D.

Student in an Organized Health Care Education/Training Program · Pasadena, CA

Johnathan Chou, M.D. is a student in an organized health care education/training program with a practice address in Pasadena, California, and NPI 1043621691, issued on May 16, 2014. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1043621691
Name
Johnathan Chou
Credential
M.D.
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
100 W California Blvd, Pasadena, CA 91105
Phone
(626) 397-5000
Enumerated
May 16, 2014
Record last updated
Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20160112000469); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 100 W California Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Devan Abhari, MDStudent in an Organized Health Care Education/Training Program1922849041
  2. Lina Acopians, DOHospitalist Physician1548821523
  3. Daniel Adran, MDNeuroradiology Physician1518456441
  4. Alipasha Adrangui, M.D.Hospitalist Physician1780911263
  5. Vahe Aghajanyan, M.D.Student in an Organized Health Care Education/Training Program1447047238
  6. Ignacio Aguilar, RNFARegistered Nurse First Assistant1497583603

Verify Johnathan Chou in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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46% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

100 Medicare Part D claims for 32 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.

  1. Johnathan Chou100
  2. Specialty average185

Most prescribed

  1. Doxycycline Monohydrate14 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupOntario, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Johnathan Chou among 40,652 student in an organized health care education/training program records in California

Johnathan Chou, M.D. is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 9% of them.

  • NPI issued2014 · 9% of these records are older, 89% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 6% of these records are
  • Graduated2013 · median 2017 among the 2,409 with a school on file
  • Record last updated2021 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

735 student in an organized health care education/training program records list a practice address in Pasadena

They are 735 of the 10,525 NPPES records with a practice address in Pasadena, and 40,652 student in an organized health care education/training program records in California.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. David BesslerPasadena, CA 911051316196645
  2. Leslie Del RioPasadena, CA 911051851527113
  3. Susanne Earl, MDPasadena, CA 911051821233537
  4. Carol Garcia-BenitezPasadena, CA 911051750530085
  5. Leticia GomezPasadena, CA 911051306960570
  6. Norma HernandezPasadena, CA 911051619250149
  7. Chi Lee, MDPasadena, CA 911051083875207
  8. Gina LlevaPasadena, CA 911051407045537

Common questions

What is Johnathan Chou, M.D.'s NPI number?

Johnathan Chou, M.D.'s National Provider Identifier (NPI) is 1043621691, issued on May 16, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Johnathan Chou, M.D. located?

The NPPES record lists a practice address at 100 W California Blvd, Pasadena, CA, 91105. Phone: (626) 397-5000. Providers update this record themselves, so call before visiting.

How can I verify Johnathan Chou, M.D.'s license?

Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Johnathan Chou, M.D. prescribe under Medicare Part D?

In 2024, Johnathan Chou, M.D. had 100 Medicare Part D claims for 32 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.