Samuel Lo Chen, M.D.

NPI 1164786521ActiveIndividual· Surgery, Vascular Surgery· Orange, CA

Surgery, Vascular Surgery (M.D.) in Orange, California, trained at University of California, Irvine, California College of Medicine (class of 2012). Mostly services rather than prescriptions: Medicare paid $106,906 for 284 patients in 2024, with only 39 Part D claims. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $9,971 in all, mostly consulting fees.

Overview

NPI	1164786521
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jun 30, 2012
Last updated in NPPES	Nov 3, 2022
Certified by provider	Nov 3, 2022

Specialties and licenses

Taxonomy	Code	License	State
Surgery, Vascular Surgery Primary	2086S0129X	A129934	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 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Vascular Surgery (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	284
Services billed	714 across 107 procedure codes
Paid by Medicare	$106,906

Part D prescriptions in 2024

Prescriptions (claims)	39 · 58 30-day fills
Patients	14
Total drug cost	$13,695
Generic share	59% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of California, Irvine, California College of Medicine
Graduation year	2012
Medicare specialty	Vascular Surgery
Secondary specialties	General Surgery
Telehealth	Offers telehealth