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Mark A. Davis, MD

NPI 1457465916ActiveIndividual· Internal Medicine· Newberry, SC

Internal Medicine (MD) in Newberry, South Carolina, trained at University of Miami, Lm Miller School of Medicine (class of 1977). Their prescriptions cost Medicare Part D more than their services did: $1,622,108 for 17,119 claims, against $160,095 paid for services in 2024. Corcept Therapeutics was the largest of 18 companies reporting payments in 2025, $794.34 in all, mostly food and beverage.

Overview

NPI1457465916
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 19, 2006
Last updated in NPPESMay 13, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X10491SC

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 - Internal Medicine (SC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients872
Services billed4,327 across 57 procedure codes
Paid by Medicare$160,095

Part D prescriptions in 2024

Prescriptions (claims)17,119 · 30,196 30-day fills
Patients829
Total drug cost$1,622,108
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Miami, Lm Miller School of Medicine
Graduation year1977
Medicare specialtyInternal Medicine

Medical groups

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$794.34 · 34 payments from 18 companies
  • 2024$831.43 · 44 payments from 16 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$794.34 · 34 payments

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

Other Internal Medicine providers in Newberry

All Internal Medicine providers in South Carolina →