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Zach McCallips, MD

NPI 1811575558ActiveIndividual· Hospitalist· Grafton, WI

Hospitalist (MD) in Grafton, Wisconsin, trained at Southern Illinois University School of Medicine (class of 2021). 98 Medicare patients in 2024, $18,835 paid; nearly all of their 121 Part D prescriptions were generic (90%). Janssen Pharmaceuticals, Inc reported $15.79 in payments in 2024, mostly food and beverage.

Overview

NPI1811575558
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedApr 1, 2021
Last updated in NPPESJul 22, 2024
Certified by providerJul 22, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Hospitalist Primary208M00000X81210-20WI

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 - Hospitalist (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients98
Services billed231 across 8 procedure codes
Paid by Medicare$18,835

Part D prescriptions in 2024

Prescriptions (claims)121 · 130 30-day fills
Patients54
Total drug cost$14,385
Generic share90% of claims

Medicare sources and data years

Education and affiliations

Medical schoolSouthern Illinois University School of Medicine
Graduation year2021
Medicare specialtyHospitalist
Secondary specialtiesInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$15.79 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Janssen Pharmaceuticals, Inc$15.791

What the 2024 payments were for

  • Food and Beverage$15.79 · 1 payment

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

Other hospitalists in Grafton

All hospitalists in Wisconsin