Skip to content

John S. Goff, M.D.

NPI 1942231832ActiveIndividual· Internal Medicine, Gastroenterology· Lakewood, CO

Internal Medicine, Gastroenterology (M.D.) in Lakewood, Colorado, trained at University of California, Irvine, California College of Medicine (class of 1975). Their prescriptions cost Medicare Part D more than their services did: $557,560 for 482 claims, against $41,344 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 6 companies reporting payments in 2025, $696.25 in all, mostly food and beverage.

Overview

NPI1942231832
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 6, 2006
Last updated in NPPESNov 8, 2024
Certified by providerNov 8, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100XDR.0021714CO

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 - Gastroenterology (CO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients258
Services billed378 across 44 procedure codes
Paid by Medicare$41,344

Part D prescriptions in 2024

Prescriptions (claims)482 · 868 30-day fills
Patients129
Total drug cost$557,560
Generic share74% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of California, Irvine, California College of Medicine
Graduation year1975
Medicare specialtyGastroenterology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$696.25 · 6 payments from 6 companies
  • 2024$976.95 · 20 payments from 10 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$612.25 · 5 payments
  • Education$84.00 · 1 payment

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

Other Internal Medicine, Gastroenterology providers in Lakewood

All Internal Medicine, Gastroenterology providers in Colorado →