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James K. Ahern, M.D.

NPI 1356385868ActiveIndividual· Family Medicine· Ridgefield, CT

Family Medicine (M.D.) in Ridgefield, Connecticut, trained at University of Cincinnati College of Medicine (class of 1979). 637 Medicare patients in 2024, $195,275 paid; nearly all of their 2,981 Part D prescriptions were generic (90%). Abbvie Inc. was the largest of 15 companies reporting payments in 2025, $1,011 in all, mostly food and beverage.

Overview

NPI1356385868
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 15, 2006
Last updated in NPPESOct 6, 2008

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000X023834CT

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Family Practice (CT)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients637
Services billed2,854 across 38 procedure codes
Paid by Medicare$195,275

Part D prescriptions in 2024

Prescriptions (claims)2,981 · 7,346 30-day fills
Patients448
Total drug cost$198,410
Generic share90% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Cincinnati College of Medicine
Graduation year1979
Medicare specialtyFamily Practice
TelehealthOffers telehealth

Medical groups

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,011 · 62 payments from 15 companies
  • 2024$846.42 · 46 payments from 13 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,011 · 62 payments

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

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