Hsiao- Fen Chen, M.D
Family Medicine Physician · San Gabriel, CA
Hsiao- Fen Chen, M.D is a family medicine physician with a practice address in San Gabriel, California, and NPI 1366483497, issued on Jun 9, 2006. Check the license (California A54242, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Hsiao- Fen Chen
- Credential
- M.D
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A54242 CA
Self-reported in NPPES; status is on the state search - Practice location
- 140 W Valley Blvd, San Gabriel, CA 91776
- Phone
- (626) 307-0797
- Enumerated
- Jun 9, 2006
- Record last updated
- Jan 18, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (626) 307-0805
- Medicaid ID
- 00A542420 CA
- Medicare enrollment
- Enrolled (PECOS I20100421000460); may accept 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 140 W Valley Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christine Chen, O.D.Optometrist1861709057
- Wei Chu, O.DOptometrist1205217940
- Julie Kao, O.D.Optometrist1366798886
- Jiyen Shin, O.D.Optometrist1760411169
- Fayeen Tsai, O.D.Optometrist1598792210
- Jan Tung, O.D.Optometrist1184979072
Verify Hsiao- Fen Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A54242Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.4 times the Medicare Part D claims of the average family medicine physician in 2024
22,757 Medicare Part D claims for 747 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Amlodipine Besylate1,481 claims
- Azithromycin948 claims
- Atorvastatin Calcium913 claims
- Levocetirizine Dihydrochloride841 claims
- Montelukast Sodium774 claims
- Losartan Potassium764 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): 81.8 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: $1,937.04
74 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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.
Hsiao- Fen Chen among 17,133 family medicine physician records in California
Hsiao- Fen Chen, M.D 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1987 · median 2005 among the 10,652 with a school on file
- Record last updated2008 · 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).
23 family medicine physician records list a practice address in San Gabriel
They are 23 of the 762 NPPES records with a practice address in San Gabriel, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Gabriel → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Judith Cagan, M.D.San Gabriel, CA 917761194808923
- Luke Chan, M.D.San Gabriel, CA 917761558374116
- Sheng Chang, MDSan Gabriel, CA 917761871589903
- Hubert Chow, M.D.San Gabriel, CA 917761669697686
- Ying Feng Huang, M.D.San Gabriel, CA 917761134155146
- Susan Jung, MDSan Gabriel, CA 917761962415588
- Dan Le, D.O.San Gabriel, CA 917761790980258
- Stephen Leung, M.D.San Gabriel, CA 917761306969308
Common questions
What is Hsiao- Fen Chen, M.D's NPI number?
Hsiao- Fen Chen, M.D's National Provider Identifier (NPI) is 1366483497, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hsiao- Fen Chen, M.D located?
The NPPES record lists a practice address at 140 W Valley Blvd, San Gabriel, CA, 91776. Phone: (626) 307-0797. Providers update this record themselves, so call before visiting.
How can I verify Hsiao- Fen Chen, M.D's license?
NPPES lists California license number A54242, 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 Hsiao- Fen Chen, M.D prescribe under Medicare Part D?
In 2024, Hsiao- Fen Chen, M.D had 22,757 Medicare Part D claims for 747 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Hsiao- Fen Chen, M.D's MIPS final score?
The 2023 MIPS final score is 81.8 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.