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Robert Joseph Olk, MD

NPI 1265429245ActiveIndividual· Ophthalmology· Saint Louis, MO

Ophthalmology (MD) in Saint Louis, Missouri, trained at Rush Medical College of Rush University (class of 1975). In 2024 Medicare paid $2,318,002 for 351 patients, and Part D covered 271 of their prescriptions, 71% of them generic. Astellas Pharma US Inc was the largest of 10 companies reporting payments in 2025, $1,497 in all, mostly food and beverage.

Overview

NPI1265429245
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedOct 4, 2005
Last updated in NPPESJan 24, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Ophthalmology Primary207W00000XR9531MO
Ophthalmology, Retina Specialist207WX0107XR9531MO

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 (IL); Practitioner - Ophthalmology (MO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients351
Services billed701,681 across 70 procedure codes
Paid by Medicare$2,318,002

Part D prescriptions in 2024

Prescriptions (claims)271 · 385 30-day fills
Patients82
Total drug cost$18,695
Generic share71% of claims

Medicare sources and data years

Education and affiliations

Medical schoolRush Medical College of Rush University
Graduation year1975
Medicare specialtyOphthalmology

Medical groups

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,497 · 42 payments from 10 companies
  • 2024$1,331 · 36 payments from 8 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,497 · 42 payments

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

Other ophthalmologists in Saint Louis

All 131 ophthalmologists in Saint Louis · All ophthalmologists in Missouri