Yen Hsun Chen, MD
Orthopaedic Hand Surgery Physician · Alhambra, CA
Yen Hsun Chen, MD is an orthopaedic hand surgery physician with a practice address in Alhambra, California, and NPI 1396122487, issued on Apr 28, 2015. Check the license (California A168910, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yen Hsun Chen
- Credential
- MD
- Primary taxonomy
- Orthopaedic Hand Surgery Physician 207XS0106X
- License number
- A168910 CA
Self-reported in NPPES; status is on the state search - Practice location
- 707 S Garfield Ave, Alhambra, CA 91801
- Phone
- (626) 282-1600
- Enumerated
- Apr 28, 2015
- Record last updated
- Jul 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210910002796); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest orthopaedic hand surgery physician records → All 288 in California → Look up another NPI →
Also registered at 707 S Garfield Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Chang, M.DOrthopaedic Surgery Physician1104824556
- Richard Chao, M.D.Diagnostic Radiology Physician1134150071
- Brenda Chen, PA-COrthopaedic Surgery Physician1740097815
- Paul Chiu, MDInterventional Pain Medicine Physician1467440883
- Eddie Hu, M.D.Specialist1871537738
- David Huang, M.D.Orthopaedic Surgery Physician1295733640
Verify Yen Hsun Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A168910Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average orthopaedic hand surgery physician in 2024
673 Medicare Part D claims for 296 beneficiaries, against an average of 186 among the 2,203 providers of this specialty who prescribed in Part D. 108 claims were for opioids.
Most prescribed
- Diclofenac Sodium204 claims
- Celecoxib146 claims
- Naproxen68 claims
- Tramadol Hcl57 claims
- Meloxicam46 claims
- Hydrocodone-Acetaminophen29 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.
The MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,435.60
15 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 1,819 providers of this specialty with any payment received $5,529.86 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
- Pacific Orthopaedic Medical Group IncAlhambra, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yen Hsun Chen among 288 orthopaedic hand surgery physician records in California
Yen Hsun Chen, MD is one of 288 orthopaedic hand surgery physician records with a practice address in California. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 86% of them.
- NPI issued2015 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2015 · median 2004 among the 214 with a school on file
- Record last updated2021 · 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 207XS0106X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Hand Surgery Physician providers in California
There are 288 orthopaedic hand surgery physician records in California.
All 288 in California → Every provider in Alhambra → Orthopaedic Hand Surgery Physician nationwide →
The 8 orthopaedic hand surgery physician records with the nearest ZIP codes
- Gabriel Bouz, MDSan Dimas, CA 917731003375155
- Barth Riedel, MDPomona, CA 917671558574491
- Gabriel Trainer, M.D.Ontario, CA 917611538349899
- Sang Le, M.D.Rancho Cucamonga, CA 917301639386295
- Ryan Miller, M.D.Covina, CA 917231528401031
- Peter WiltonChino Hills, CA 917091508286089
- Eric Hofmeister, MDChula Vista, CA 919141093785206
- Gilbert Csuja, M.D.Carlsbad, CA 920081881672244
Common questions
What is Yen Hsun Chen, MD's NPI number?
Yen Hsun Chen, MD's National Provider Identifier (NPI) is 1396122487, issued on Apr 28, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Yen Hsun Chen, MD located?
The NPPES record lists a practice address at 707 S Garfield Ave, Alhambra, CA, 91801. Phone: (626) 282-1600. Providers update this record themselves, so call before visiting.
How can I verify Yen Hsun Chen, MD's license?
NPPES lists California license number A168910, 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 Yen Hsun Chen, MD prescribe under Medicare Part D?
In 2024, Yen Hsun Chen, MD had 673 Medicare Part D claims for 296 beneficiaries; the average among orthopaedic hand surgery physician prescribers was 186. Part D covers Medicare prescriptions only.
What is Yen Hsun Chen, MD's MIPS final score?
The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.