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Hsiao- Fen Chen, M.D

NPI 1366483497ActiveIndividual· Family Medicine· San Gabriel, CA

Family Medicine (M.D) in San Gabriel, California, licensed in CA, with an NPI issued in June 2006. Their prescriptions cost Medicare Part D more than their services did: $2,798,422 for 22,757 claims, against $186,303 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 20 companies reporting payments in 2025, $2,281 in all, mostly food and beverage.

Overview

NPI1366483497
StatusActive
Entity typeIndividual
CredentialM.D
Sole proprietorNo
NPI issuedJun 9, 2006
Last updated in NPPESJan 18, 2008

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000XA54242CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Family Practice (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients354
Services billed4,834 across 33 procedure codes
Paid by Medicare$186,303

Part D prescriptions in 2024

Prescriptions (claims)22,757 · 36,077 30-day fills
Patients747
Total drug cost$2,798,422
Generic share83% of claims

Medicare sources and data years

Education and affiliations

Graduation year1987
Medicare specialtyFamily Practice
TelehealthOffers telehealth

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,281 · 82 payments from 20 companies
  • 2024$1,937 · 74 payments from 16 companies

Top paying companies in 2025

CompanyAmountPayments
Astrazeneca Pharmaceuticals LP$805.5319
Glaxosmithkline, LLC.$326.397
Amgen Inc.$248.7120
Abbvie Inc.$175.5310
Vivus LLC$125.001

What the 2025 payments were for

  • Food and Beverage$2,281 · 82 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other Family Medicine providers in San Gabriel

All Family Medicine providers in California →