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John Gerard Oster, MD

NPI 1295775195ActiveIndividual· Ophthalmology· Grand Junction, CO

Ophthalmology (MD) in Grand Junction, Colorado, trained at Albany Medical College of Union University (class of 1991). In 2024 Medicare paid $88,840 for 194 patients, and Part D covered 624 of their prescriptions, 68% of them generic.

Overview

NPI1295775195
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJun 8, 2006
Last updated in NPPESApr 12, 2010

Specialties and licenses

TaxonomyCodeLicenseState
Ophthalmology Primary207W00000X35363CO

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 - Ophthalmology (CO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients194
Services billed591 across 19 procedure codes
Paid by Medicare$88,840

Part D prescriptions in 2024

Prescriptions (claims)624 · 893 30-day fills
Patients140
Total drug cost$35,082
Generic share68% of claims

Medicare sources and data years

Education and affiliations

Medical schoolAlbany Medical College of Union University
Graduation year1991
Medicare specialtyOphthalmology

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 ophthalmologists in Grand Junction

All 22 ophthalmologists in Grand Junction · All ophthalmologists in Colorado