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John Farens, MD

NPI 1427133354ActiveIndividual· Internal Medicine· Shelton, CT

Internal Medicine (MD) with Griffin Faculty Physicians Inc, practicing in Shelton, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $951,362 for 8,202 claims, against $115,741 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 18 companies reporting payments in 2025, $3,429 in all, mostly food and beverage. Lists Griffin Hospital as a hospital affiliation.

Overview

NPI1427133354
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedOct 26, 2006
Last updated in NPPESJan 5, 2011

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 (CT)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients237
Services billed1,736 across 39 procedure codes
Paid by Medicare$115,741

Part D prescriptions in 2024

Prescriptions (claims)8,202 · 19,515 30-day fills
Patients657
Total drug cost$951,362
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Graduation year1977
Medicare specialtyInternal Medicine
Secondary specialtiesGeriatric Medicine

Medical group

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$3,429 · 181 payments from 18 companies
  • 2024$4,444 · 228 payments from 20 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$3,429 · 181 payments

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

Other Internal Medicine providers in Shelton

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