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Mark G. Ryan

NPI 1548211220ActiveIndividual· Optometrist· New Haven, CT

Optometrist in New Haven, Connecticut, trained at New England College of Optometry (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $5,503 for 27 claims, against $2,978 paid for services in 2024. Glaukos Corporation was the largest of 2 companies reporting payments in 2024, $104.42 in all, mostly food and beverage.

Overview

NPI1548211220
StatusActive
Entity typeIndividual
Sole proprietorNo
NPI issuedMay 15, 2006
Last updated in NPPESJul 13, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Optometrist Primary152W00000X002155CT

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 - Optometry (CT)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients37
Services billed67 across 10 procedure codes
Paid by Medicare$2,978

Part D prescriptions in 2024

Prescriptions (claims)27 · 42 30-day fills
Patients18
Total drug cost$5,503
Generic share93% of claims

Medicare sources and data years

Education and affiliations

Medical schoolNew England College of Optometry
Graduation year1987
Medicare specialtyOptometry

Medical group

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$104.42 · 2 payments from 2 companies

Top paying companies in 2024

What the 2024 payments were for

  • Food and Beverage$104.42 · 2 payments

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

Other optometrists in New Haven

All 20 optometrists in New Haven · All optometrists in Connecticut