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John Patterson Campbell, MD, MBA

NPI 1194220657ActiveIndividual· Internal Medicine, Gastroenterology· Kansas City, MO

Internal Medicine, Gastroenterology (MD, MBA) in Kansas City, Missouri, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 2017). In 2024 Medicare paid $77,039 for 405 patients, and Part D covered 670 of their prescriptions, 81% of them generic. Abbvie Inc. was the largest of 7 companies reporting payments in 2025, $292.25 in all, mostly food and beverage.

Overview

NPI1194220657
StatusActive
Entity typeIndividual
CredentialMD, MBA
Sole proprietorNo
NPI issuedMar 27, 2018
Last updated in NPPESAug 3, 2023
Certified by providerAug 3, 2023

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 - Gastroenterology (KS); Practitioner - Gastroenterology (MO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients405
Services billed713 across 56 procedure codes
Paid by Medicare$77,039

Part D prescriptions in 2024

Prescriptions (claims)670 · 891 30-day fills
Patients356
Total drug cost$37,325
Generic share81% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Kansas School of Med (Kc/Wich/Sal)
Graduation year2017
Medicare specialtyGastroenterology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$292.25 · 9 payments from 7 companies
  • 2024$294.18 · 6 payments from 5 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$292.25 · 9 payments

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

Other gastroenterologists in Kansas City

All 52 gastroenterologists in Kansas City · All gastroenterologists in Missouri