Da Ouyang, MD

NPI 1235549460ActiveIndividual· Internal Medicine, Cardiovascular Disease· Santa Clara, CA

Internal Medicine, Cardiovascular Disease (MD) in Santa Clara, California, trained at University of California, San Francisco School of Medicine (class of 2014). Medicare paid $29,646 for services to 326 patients in 2024. E.R. Squibb & Sons, L.L.C. reported $121.20 in payments in 2024, mostly food and beverage.

Overview

NPI	1235549460
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Apr 28, 2014
Last updated in NPPES	Jan 2, 2025
Certified by provider	Jan 2, 2025

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Cardiovascular Disease Primary	207RC0000X	A138463	CA
Student in an Organized Health Care Education/Training Program	390200000X	—	—

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 - Cardiovascular Disease (Cardiology) (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	326
Services billed	462 across 16 procedure codes
Paid by Medicare	$29,646

Medicare sources and data years

Education and affiliations

Medical school	University of California, San Francisco School of Medicine
Graduation year	2014
Medicare specialty	Cardiovascular Disease (Cardiology)
Secondary specialties	Internal Medicine