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Mark Earnest, MD

NPI 1700976487ActiveIndividual· Internal Medicine· Aurora, CO

Internal Medicine (MD) in Aurora, Colorado, trained at Vanderbilt University School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $200,194 for 1,575 claims, against $11,700 paid for services in 2024.

Overview

NPI1700976487
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedOct 13, 2006
Last updated in NPPESNov 29, 2012

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X31868CO

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 - Internal Medicine (CO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients123
Services billed360 across 15 procedure codes
Paid by Medicare$11,700

Part D prescriptions in 2024

Prescriptions (claims)1,575 · 3,973 30-day fills
Patients124
Total drug cost$200,194
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Medical schoolVanderbilt University School of Medicine
Graduation year1990
Medicare specialtyInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other internal medicine physicians in Aurora

All 273 internal medicine physicians in Aurora · All internal medicine physicians in Colorado