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 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
- Practice location
- 707 S Garfield Ave, Alhambra, CA 91801
- Phone
- (626) 282-1600
- Enumerated
- Apr 28, 2015
- Entity
- Type 1 · individual
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-CFamily Medicine Physician1740097815
- Paul Chiu, MDAnesthesiology 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 CaliforniaCheck 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 185 among the 1,440 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 Medicare quality score for 2023: 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, mostly food and beverage; the largest payer was Stryker Corporation. The 1,202 providers of this specialty with any payment received $6,994.50 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.
One hospital or facility affiliation
- Pacific Orthopaedic Medical Group IncAlhambra, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Orthopaedic Hand Surgery Physician providers in California
There are 225 orthopaedic hand surgery physician records in California.
Other orthopaedic hand surgery physician records in California
- Reid Abrams, MDSan Diego, CA1548202245
- Anna Acosta, M.D.Long Beach, CA1285933424
- Seth Ahlquist, MDSanta Monica, CA1407484918
- Richard Ahn, M.D.Lakewood, CA1568809226
- Robert Allen, MDSacramento, CA1700876026
- Edwin Ashley, M.D.Beverly Hills, CA1417920919
- Christian Awah, MDOrange, CA1013470707
- Kodi Azari, MD, FACSLos Angeles, CA1730152711
- Hassan Azimi, M.D.San Diego, CA1932547536
- George Balfour, M.D.Van Nuys, CA1053314716
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?
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 185. Part D covers Medicare prescriptions only.
What is Yen Hsun Chen, MD's Medicare quality 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.