Aaron Justin Yeoh, MD

NPI 1043742331ActiveIndividual· Internal Medicine, Gastroenterology· Stanford, CA

Internal Medicine, Gastroenterology (MD) in Stanford, California, trained at Harvard Medical School (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $108,872 for 290 claims, against $60,111 paid for services in 2024. Capsovision, Inc. was the largest of 3 companies reporting payments in 2025, $1,624 in all, mostly consulting fees.

Overview

NPI	1043742331
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Mar 28, 2017
Last updated in NPPES	Apr 12, 2024
Certified by provider	Apr 12, 2024

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Gastroenterology Primary	207RG0100X	A156953	CA
Family Medicine, Bariatric Medicine	207QB0002X	A156953	CA
Internal Medicine	207R00000X	A156953	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 - Gastroenterology (CA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	286
Services billed	561 across 38 procedure codes
Paid by Medicare	$60,111

Part D prescriptions in 2024

Prescriptions (claims)	290 · 533 30-day fills
Patients	133
Total drug cost	$108,872
Generic share	78% of claims

Medicare sources and data years

Education and affiliations

Medical school	Harvard Medical School
Graduation year	2017
Medicare specialty	Gastroenterology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth