Reuben Kuan-Chun Chen, MD
Physical Medicine & Rehabilitation Physician · Torrance, CA
Reuben Kuan-Chun Chen, MD is a physical medicine & rehabilitation physician with a practice address in Torrance, California, and NPI 1083888069, issued on Apr 21, 2008. Check the license (California A112622, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Reuben Kuan-Chun Chen
- Credential
- MD
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License numbers
- A112622 CA
T2343 TX
Self-reported in NPPES; status is on the state search - Practice location
- 23150 Crenshaw Blvd, Torrance, CA 90505
- Phone
- (310) 437-7399
- Enumerated
- Apr 21, 2008
- Record last updated
- Feb 13, 2026
- Fax
- (310) 437-7398
- Medicare enrollment
- Enrolled (PECOS I20210812000965); accepts Medicare assignment
- Medical or professional school
- Un Of California, Irvine, College Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 1,549 in California → Look up another NPI →
Also registered at 23150 Crenshaw Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Stanford, MD, PHDInternal Medicine Physician1942249644
Verify Reuben Kuan-Chun Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A112622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
150 Medicare Part D claims for 25 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Cyclobenzaprine Hcl11 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.
Industry payments in 2024: $150.00
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 3,895 providers of this specialty with any payment received $1,237.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southlake Physical Medicine PLLCSouthlake, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Reuben Kuan-Chun Chen among 1,549 physical medicine & rehabilitation physician records in California
Reuben Kuan-Chun Chen, MD is one of 1,549 physical medicine & rehabilitation physician records with a practice address in California. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.
- NPI issued2008 · 41% of these records are older, 55% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2007 · median 2008 among the 786 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in California
There are 1,549 physical medicine & rehabilitation physician records in California.
All 1,549 in California → Every provider in Torrance → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Joy Ambro, R.P.T.Torrance, CA 905051598762452
- Danika Bucka, PT, DPTTorrance, CA 905051982906988
- Annette Genova, MDTorrance, CA 905051336221860
- Amber HoustonTorrance, CA 905051174481550
- Jun Hee Lee, DPTTorrance, CA 905051548082241
- Nhat Tran, M.D.Torrance, CA 905051376757468
- Kaitlyn Vlieger, PT, DPTTorrance, CA 905051558240945
- Leah Garren, PTTorrance, CA 905031124958327
Common questions
What is Reuben Kuan-Chun Chen, MD's NPI number?
Reuben Kuan-Chun Chen, MD's National Provider Identifier (NPI) is 1083888069, issued on Apr 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Reuben Kuan-Chun Chen, MD located?
The NPPES record lists a practice address at 23150 Crenshaw Blvd, Torrance, CA, 90505. Phone: (310) 437-7399. Providers update this record themselves, so call before visiting.
How can I verify Reuben Kuan-Chun Chen, MD's license?
NPPES lists California license number A112622, 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 Reuben Kuan-Chun Chen, MD prescribe under Medicare Part D?
In 2024, Reuben Kuan-Chun Chen, MD had 150 Medicare Part D claims for 25 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. 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.