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Margaret Katie Yu, MD

NPI 1811173735ActiveIndividual· Internal Medicine, Nephrology· Stanford, CA

Internal Medicine, Nephrology (MD) in Stanford, California, trained at Stanford University School of Medicine (class of 2005). In 2024 Medicare paid $145,615 for 287 patients, and Part D covered 926 of their prescriptions, 85% of them generic. Ani Pharmaceuticals, Inc. reported $19.92 in payments in 2024, mostly food and beverage.

Overview

NPI1811173735
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJan 10, 2008
Last updated in NPPESApr 24, 2024
Certified by providerApr 24, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300XA139657CA
Internal Medicine207R00000XMD60017302WA
Internal Medicine207R00000XA139657CA

About license numbers in NPPES

Exclusion screening

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

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Nephrology (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients287
Services billed1,071 across 24 procedure codes
Paid by Medicare$145,615

Part D prescriptions in 2024

Prescriptions (claims)926 · 2,038 30-day fills
Patients136
Total drug cost$153,105
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolStanford University School of Medicine
Graduation year2005
Medicare specialtyNephrology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$19.92 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Ani Pharmaceuticals, Inc.$19.921

What the 2024 payments were for

  • Food and Beverage$19.92 · 1 payment

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other nephrologists in Stanford

All 41 nephrologists in Stanford · All nephrologists in California