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Derek Christopher Harshaw, D.O

NPI 1588010649ActiveIndividual· Internal Medicine· East Liverpool, OH

Internal Medicine (D.O) in East Liverpool, Ohio, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $268,900 for 3,636 claims, against $64,391 paid for services in 2024.

Overview

NPI1588010649
StatusActive
Entity typeIndividual
CredentialD.O
Sole proprietorYes
NPI issuedMay 9, 2016
Last updated in NPPESOct 28, 2021
Certified by providerOct 28, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X34.013770OH
Family Medicine207Q00000X3350WV

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); Practitioner - Internal Medicine (WV)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients238
Services billed707 across 21 procedure codes
Paid by Medicare$64,391

Part D prescriptions in 2024

Prescriptions (claims)3,636 · 4,237 30-day fills
Patients260
Total drug cost$268,900
Generic share82% of claims

Medicare sources and data years

Education and affiliations

Medical schoolLake Erie College of Osteopathic Medicine, Erie
Graduation year2016
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Other facilities

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 providers in East Liverpool

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