Joshua Chou
Family Medicine Physician · Redondo Beach, CA
Joshua Chou is a family medicine physician with a practice address in Redondo Beach, California, and NPI 1922528942, issued on Jun 21, 2017. Check the license (California 20A17153, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joshua Chou
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A17153 CA
Self-reported in NPPES; status is on the state search - Practice location
- 520 N Prospect Ave Ste 103, Redondo Beach, CA 90277
- Phone
- (310) 376-8816
- Enumerated
- Jun 21, 2017
- Record last updated
- Dec 21, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210120002592); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 520 N Prospect Ave Ste 103
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joshua Chou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A17153Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average family medicine physician in 2024
3,583 Medicare Part D claims for 442 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 52 claims were for opioids.
Most prescribed
- Atorvastatin Calcium292 claims
- Lisinopril192 claims
- Amlodipine Besylate175 claims
- Levothyroxine Sodium127 claims
- Simvastatin119 claims
- Losartan Potassium117 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
- Providence Medical InstituteRedondo Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joshua Chou among 17,133 family medicine physician records in California
Joshua Chou is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2017 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 family medicine physician records list a practice address in Redondo Beach
They are 46 of the 1,513 NPPES records with a practice address in Redondo Beach, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Redondo Beach → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Eric Arosemena, M.DRedondo Beach, CA 902771962479337
- Diana Chang, M.D.Redondo Beach, CA 902771235105198
- Judy Chen, M.D.Redondo Beach, CA 902771083657100
- James Dougher, M.D.Redondo Beach, CA 902771477596617
- Cynthia FisherRedondo Beach, CA 902771912973843
- Kavitha Kotrappa, M.D.Redondo Beach, CA 902771376505263
- Gail LeveeRedondo Beach, CA 902771578500021
- Stanford Matsuno, MDRedondo Beach, CA 902771174592976
Common questions
What is Joshua Chou's NPI number?
Joshua Chou's National Provider Identifier (NPI) is 1922528942, issued on Jun 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Chou located?
The NPPES record lists a practice address at 520 N Prospect Ave Ste 103, Redondo Beach, CA, 90277. Phone: (310) 376-8816. Providers update this record themselves, so call before visiting.
How can I verify Joshua Chou's license?
NPPES lists California license number 20A17153, 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 Joshua Chou prescribe under Medicare Part D?
In 2024, Joshua Chou had 3,583 Medicare Part D claims for 442 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.