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Adam M. Parker, M.D.

NPI 1053724179ActiveIndividual· Internal Medicine, Gastroenterology· Meridian, MS

Internal Medicine, Gastroenterology (M.D.) in Meridian, Mississippi, trained at University of Mississippi School of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $202,914 for 681 claims, against $69,821 paid for services in 2024. Janssen Biotech, Inc. was the largest of 7 companies reporting payments in 2025, $631.91 in all, mostly food and beverage.

Overview

NPI1053724179
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 5, 2014
Last updated in NPPESSep 19, 2022
Certified by providerSep 19, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100X24929MS

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 (MS)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients332
Services billed652 across 38 procedure codes
Paid by Medicare$69,821

Part D prescriptions in 2024

Prescriptions (claims)681 · 947 30-day fills
Patients500
Total drug cost$202,914
Generic share73% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Mississippi School of Medicine
Graduation year2014
Medicare specialtyGastroenterology
Secondary specialtiesInternal Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$631.91 · 20 payments from 7 companies
  • 2024$205.11 · 11 payments from 5 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$631.91 · 20 payments

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

Other gastroenterologists in Meridian

All gastroenterologists in Mississippi