Wei Chia Chen, MD

NPI 1013190370ActiveIndividual· Internal Medicine· San Jose, CA

Internal Medicine (MD) in San Jose, California, trained at University of California, San Diego School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $638,350 for 814 claims, against $64,677 paid for services in 2024. Actelion Pharmaceuticals US, Inc. reported $21.83 in payments in 2025, mostly food and beverage.

Overview

NPI	1013190370
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Dec 10, 2007
Last updated in NPPES	Dec 10, 2007

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine Primary	207R00000X	A97424	CA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026	No match	—
New York OMIG · Nov 4, 2026	No match	—
Ohio Medicaid · Nov 4, 2026	No match	—
Pennsylvania Medicheck · Nov 4, 2026	No match	—
Washington HCA · Nov 4, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Internal Medicine (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	298
Services billed	676 across 24 procedure codes
Paid by Medicare	$64,677

Part D prescriptions in 2024

Prescriptions (claims)	814 · 968 30-day fills
Patients	142
Total drug cost	$638,350
Generic share	38% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of California, San Diego School of Medicine
Graduation year	2005
Medicare specialty	Internal Medicine
Secondary specialties	Critical Care (Intensivists), Pulmonary Disease
Telehealth	Offers telehealth