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Sarfraz Singh Sidhu, M.D.

NPI 1801946462ActiveIndividual· Internal Medicine· Waukesha, WI

Internal Medicine (M.D.) with Oak Medical SC, practicing in Waukesha, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $4,805,922 for 70,096 claims, against $187,808 paid for services in 2024. Neurocrine Biosciences, Inc. reported $28.78 in payments in 2025, mostly food and beverage. Lists Fort Memorial Hospital and 4 other hospitals as hospital affiliations.

Overview

NPI1801946462
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJan 12, 2007
Last updated in NPPESJun 14, 2021
Certified by providerJun 14, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X49643WI

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 - Internal Medicine (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients746
Services billed2,284 across 18 procedure codes
Paid by Medicare$187,808

Part D prescriptions in 2024

Prescriptions (claims)70,096 · 70,326 30-day fills
Patients2,226
Total drug cost$4,805,922
Generic share82% of claims

Medicare sources and data years

Education and affiliations

Graduation year2003
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$28.78 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Neurocrine Biosciences, Inc.$28.781

What the 2025 payments were for

  • Food and Beverage$28.78 · 1 payment

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

Other internal medicine physicians in Waukesha

All 51 internal medicine physicians in Waukesha · All internal medicine physicians in Wisconsin