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David William Switzer Jr., M.D.

NPI 1891931572ActiveIndividual· Ophthalmology· Billings, MT

Ophthalmology (M.D.) in Billings, Montana, trained at Georgetown University School of Medicine (class of 2006). In 2024 Medicare paid $3,165,956 for 840 patients, and Part D covered 146 of their prescriptions, 74% of them generic.

Overview

NPI1891931572
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedDec 30, 2008
Last updated in NPPESApr 29, 2021
Certified by providerApr 29, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Ophthalmology Primary207W00000X12651MT
Ophthalmology, Retina Specialist207WX0107X12651MT

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Ophthalmology (MT)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients840
Services billed32,037 across 24 procedure codes
Paid by Medicare$3,165,956

Part D prescriptions in 2024

Prescriptions (claims)146 · 230 30-day fills
Patients40
Total drug cost$4,221
Generic share74% of claims

Medicare sources and data years

Education and affiliations

Medical schoolGeorgetown University School of Medicine
Graduation year2006
Medicare specialtyOphthalmology

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other Ophthalmology providers in Billings

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