Alan Ching-Yuen Yeung, MD

NPI 1700920139ActiveIndividual· Internal Medicine, Interventional Cardiology· Stanford, CA

Internal Medicine, Interventional Cardiology (MD) in Stanford, California, trained at Harvard Medical School (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $409,585 for 2,688 claims, against $142,220 paid for services in 2024. Histosonics, Inc. was the largest of 3 companies reporting payments in 2025, $3,431 in all, mostly travel and lodging.

Overview

NPI	1700920139
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Feb 18, 2007
Last updated in NPPES	Apr 27, 2024
Certified by provider	Apr 27, 2024

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Interventional Cardiology Primary	207RI0011X	G65549	CA
Internal Medicine	207R00000X	G65549	CA
Internal Medicine, Cardiovascular Disease	207RC0000X	G65549	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 - Interventional Cardiology (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	546
Services billed	1,095 across 37 procedure codes
Paid by Medicare	$142,220

Part D prescriptions in 2024

Prescriptions (claims)	2,688 · 7,146 30-day fills
Patients	339
Total drug cost	$409,585
Generic share	87% of claims

Medicare sources and data years

Education and affiliations

Medical school	Harvard Medical School
Graduation year	1984
Medicare specialty	Interventional Cardiology
Secondary specialties	Cardiovascular Disease (Cardiology)
Telehealth	Offers telehealth