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Timothy Holahan, MD

NPI 1346483930ActiveIndividual· Internal Medicine, Geriatric Medicine· Rochester, NY

Internal Medicine, Geriatric Medicine (MD) in Rochester, New York, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $142,642 for 2,170 claims, against $33,288 paid for services in 2024.

Overview

NPI1346483930
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedApr 12, 2009
Last updated in NPPESAug 23, 2024
Certified by providerAug 23, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Geriatric Medicine Primary207RG0300X270286NY

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 - Geriatric Medicine (NY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients162
Services billed430 across 13 procedure codes
Paid by Medicare$33,288

Part D prescriptions in 2024

Prescriptions (claims)2,170 · 2,194 30-day fills
Patients81
Total drug cost$142,642
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolLake Erie College of Osteopathic Medicine, Erie
Graduation year2009
Medicare specialtyGeriatric Medicine

Medical group

Hospital affiliations

Other facilities

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 geriatricians in Rochester

All 45 geriatricians in Rochester · All geriatricians in New York