Siwei Dong, DO

NPI 1235690330ActiveIndividual· Surgery, Vascular Surgery· Orange, CA

Surgery, Vascular Surgery (DO) in Orange, California, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 2015). Mostly services rather than prescriptions: Medicare paid $7,907 for 34 patients in 2024, with only 19 Part D claims. Medtronic, Inc. was the largest of 2 companies reporting payments in 2025, $377.36 in all, mostly food and beverage.

Overview

NPI	1235690330
Status	Active
Entity type	Individual
Credential	DO
Sole proprietor	Yes
NPI issued	Mar 29, 2019
Last updated in NPPES	Oct 16, 2024
Certified by provider	Oct 16, 2024

Specialties and licenses

Taxonomy	Code	License	State
Surgery, Vascular Surgery Primary	2086S0129X	A22413	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	34
Services billed	56 across 26 procedure codes
Paid by Medicare	$7,907

Part D prescriptions in 2024

Prescriptions (claims)	19 · 21 30-day fills
Patients	11
Total drug cost	$652.52
Generic share	95% of claims

Medicare sources and data years

Education and affiliations

Medical school	Des Moines University of Osteopathic Medicine and Health Sciences
Graduation year	2015
Medicare specialty	Vascular Surgery
Telehealth	Offers telehealth