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D Matthew Koehler, MD

NPI 1316031594ActiveIndividual· Internal Medicine· Delaware, OH

Internal Medicine (MD) in Delaware, Ohio, licensed in OH, with an NPI issued in October 2006. Their prescriptions cost Medicare Part D more than their services did: $792,199 for 7,843 claims, against $56,223 paid for services in 2024.

Overview

NPI1316031594
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedOct 3, 2006
Last updated in NPPESJan 25, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X35067848OH

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 (OH)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients546
Services billed1,676 across 31 procedure codes
Paid by Medicare$56,223

Part D prescriptions in 2024

Prescriptions (claims)7,843 · 16,987 30-day fills
Patients455
Total drug cost$792,199
Generic share86% of claims

Medicare sources and data years

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 Delaware

All internal medicine physicians in Ohio