Stanley Hwang, MD

NPI 1780654525ActiveIndividual· Internal Medicine, Cardiovascular Disease· Watsonville, CA

Internal Medicine, Cardiovascular Disease (MD) in Watsonville, California, trained at University of California, San Diego School of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $294,673 for 1,993 claims, against $100,779 paid for services in 2024. Philips North America LLC was the largest of 3 companies reporting payments in 2025, $100.62 in all, mostly food and beverage.

Overview

NPI	1780654525
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jan 24, 2006
Last updated in NPPES	Jul 21, 2022

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Cardiovascular Disease Primary	207RC0000X	G58772	CA

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Internal Medicine (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	583
Services billed	1,627 across 28 procedure codes
Paid by Medicare	$100,779

Part D prescriptions in 2024

Prescriptions (claims)	1,993 · 5,164 30-day fills
Patients	314
Total drug cost	$294,673
Generic share	87% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of California, San Diego School of Medicine
Graduation year	1985
Medicare specialty	Internal Medicine
Secondary specialties	Cardiovascular Disease (Cardiology)
Telehealth	Offers telehealth