Michael Y. Chan, M.D.

NPI 1487660833ActiveIndividual· Internal Medicine, Interventional Cardiology· Orange, CA

Internal Medicine, Interventional Cardiology (M.D.) in Orange, California, trained at Stanford University School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $288,583 for 1,879 claims, against $90,848 paid for services in 2024. Shockwave Medical, Inc was the largest of 13 companies reporting payments in 2025, $64,334 in all, mostly consulting fees.

Overview

NPI	1487660833
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jul 31, 2006
Last updated in NPPES	May 7, 2026
Certified by provider	May 7, 2026

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Interventional Cardiology Primary	207RI0011X	A73775	CA
Internal Medicine, Cardiovascular Disease	207RC0000X	A73775	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 - Cardiovascular Disease (Cardiology) (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	343
Services billed	930 across 67 procedure codes
Paid by Medicare	$90,848

Part D prescriptions in 2024

Prescriptions (claims)	1,879 · 4,656 30-day fills
Patients	336
Total drug cost	$288,583
Generic share	85% of claims

Medicare sources and data years

Education and affiliations

Medical school	Stanford University School of Medicine
Graduation year	1997
Medicare specialty	Cardiovascular Disease (Cardiology)
Secondary specialties	Critical Care (Intensivists), Internal Medicine
Telehealth	Offers telehealth