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Richard S. Kwon, MD

NPI 1952484875ActiveIndividual· Internal Medicine, Gastroenterology· Ann Arbor, MI

Internal Medicine, Gastroenterology (MD) in Ann Arbor, Michigan, trained at University of California, Geffen School of Medicine (class of 1998). 155 Medicare patients in 2024, $41,425 paid; nearly all of their 142 Part D prescriptions were generic (91%). Celltrion, Inc. was the largest of 3 companies reporting payments in 2025, $385.88 in all, mostly food and beverage.

Overview

NPI1952484875
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedOct 23, 2006
Last updated in NPPESNov 25, 2019

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100X4301086665MI
Internal Medicine207R00000X4301086665MI

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 - Gastroenterology (MI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients155
Services billed340 across 48 procedure codes
Paid by Medicare$41,425

Part D prescriptions in 2024

Prescriptions (claims)142 · 257 30-day fills
Patients85
Total drug cost$57,618
Generic share91% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California, Geffen School of Medicine
Graduation year1998
Medicare specialtyGastroenterology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$385.88 · 3 payments from 3 companies

Top paying companies in 2025

CompanyAmountPayments
Celltrion, Inc.$150.001
Olympus America Inc.$143.651
Steris Corporation$92.231

What the 2025 payments were for

  • Food and Beverage$385.88 · 3 payments

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

Other Internal Medicine, Gastroenterology providers in Ann Arbor

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