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John David Hanna, MD

NPI 1154944569ActiveIndividual· Psychiatry & Neurology, Neurology· Clemson, SC

Psychiatry & Neurology, Neurology (MD) in Clemson, South Carolina, trained at University of South Carolina School of Medicine, Greenville (class of 2020). Their prescriptions cost Medicare Part D more than their services did: $90,150 for 234 claims, against $10,562 paid for services in 2024. Pfizer Inc. was the largest of 29 companies reporting payments in 2025, $4,528 in all, mostly food and beverage.

Overview

NPI1154944569
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedMay 20, 2020
Last updated in NPPESSep 23, 2024
Certified by providerSep 23, 2024

Specialties and licenses

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Neurology (SC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients60
Services billed275 across 10 procedure codes
Paid by Medicare$10,562

Part D prescriptions in 2024

Prescriptions (claims)234 · 447 30-day fills
Patients91
Total drug cost$90,150
Generic share81% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of South Carolina School of Medicine, Greenville
Graduation year2020
Medicare specialtyNeurology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$4,528 · 139 payments from 29 companies
  • 2024$351.61 · 16 payments from 11 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$3,003 · 138 payments
  • Consulting Fee$1,525 · 1 payment

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

Other Psychiatry & Neurology, Neurology providers in Clemson

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