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Bret Kenneth Sohn, M.D.

NPI 1982994836ActiveIndividual· Internal Medicine, Rheumatology· Stamford, CT

Internal Medicine, Rheumatology (M.D.) with Stamford Health Medical Group Inc, practicing in Stamford, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $1,138,766 for 1,485 claims, against $47,038 paid for services in 2024. Janssen Biotech, Inc. was the largest of 9 companies reporting payments in 2025, $242,081 in all, mostly speaking and faculty fees. Lists Greenwich Hospital Association - and 1 other hospital as hospital affiliations.

Overview

NPI1982994836
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 12, 2011
Last updated in NPPESAug 4, 2022
Certified by providerAug 4, 2022

Specialties and licenses

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Rheumatology (CT); Practitioner - Rheumatology (NY)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients295
Services billed611 across 9 procedure codes
Paid by Medicare$47,038

Part D prescriptions in 2024

Prescriptions (claims)1,485 · 2,078 30-day fills
Patients314
Total drug cost$1,138,766
Generic share94% of claims

Medicare sources and data years

Education and affiliations

Graduation year2011
Medicare specialtyRheumatology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$242,081 · 306 payments from 9 companies
  • 2024$144,864 · 233 payments from 6 companies

Top paying companies in 2025

CompanyAmountPayments
Janssen Biotech, Inc.$103,419120
Ucb, Inc.$81,207113
Amgen Inc.$48,69056
Abbvie Inc.$7,57712
Ucb Sa$920.001

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$182,589 · 90 payments
  • Consulting Fee$26,888 · 13 payments
  • Travel and Lodging$25,442 · 94 payments
  • Food and Beverage$7,067 · 108 payments
  • Education$94.99 · 1 payment

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

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