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Erin J. Leahy, M.D.

NPI 1235339607ActiveIndividual· Internal Medicine, Geriatric Medicine· Springfield, MA

Internal Medicine, Geriatric Medicine (M.D.) in Springfield, Massachusetts, trained at Medical College of Wisconsin (class of 2007). 58 Medicare patients in 2024, $12,232 paid; all of their 557 Part D prescriptions were generic.

Overview

NPI1235339607
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 23, 2007
Last updated in NPPESJun 8, 2021
Certified by providerJun 8, 2021

Specialties and licenses

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 - Internal Medicine (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients58
Services billed330 across 10 procedure codes
Paid by Medicare$12,232

Part D prescriptions in 2024

Prescriptions (claims)557 · 827 30-day fills
Patients96
Total drug cost$7,463
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Medical schoolMedical College of Wisconsin
Graduation year2007
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical groups

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

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