Margaret Jiemin Zhou, MD

NPI 1184157992ActiveIndividual· Internal Medicine, Gastroenterology· Stanford, CA

Internal Medicine, Gastroenterology (MD) in Stanford, California, trained at University of California, San Francisco School of Medicine (class of 2017). In 2024 Medicare paid $27,408 for 112 patients, and Part D covered 94 of their prescriptions, 89% of them generic. Capsovision, Inc. was the largest of 5 companies reporting payments in 2025, $163,013 in all, mostly consulting fees.

Overview

NPI	1184157992
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Apr 7, 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	A169235	CA
Internal Medicine	207R00000X	A169235	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	112
Services billed	213 across 43 procedure codes
Paid by Medicare	$27,408

Part D prescriptions in 2024

Prescriptions (claims)	94 · 101 30-day fills
Patients	63
Total drug cost	$2,433
Generic share	89% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of California, San Francisco School of Medicine
Graduation year	2017
Medicare specialty	Gastroenterology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth