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William Samuel Ashwander, M.D.

NPI 1649414970ActiveIndividual· Surgery, Vascular Surgery· North Charleston, SC

Surgery, Vascular Surgery (M.D.) in North Charleston, South Carolina, trained at University of Alabama School of Medicine (class of 2009). In 2024 Medicare paid $217,602 for 1,262 patients, and Part D covered 194 of their prescriptions, 88% of them generic. W. L. Gore & Associates, Inc. was the largest of 7 companies reporting payments in 2025, $857.16 in all, mostly food and beverage.

Overview

NPI1649414970
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 30, 2009
Last updated in NPPESFeb 12, 2024
Certified by providerFeb 12, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Surgery, Vascular Surgery Primary2086S0129X39815SC

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 - Vascular Surgery (SC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,262
Services billed2,201 across 99 procedure codes
Paid by Medicare$217,602

Part D prescriptions in 2024

Prescriptions (claims)194 · 328 30-day fills
Patients78
Total drug cost$18,827
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Alabama School of Medicine
Graduation year2009
Medicare specialtyVascular Surgery

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$857.16 · 17 payments from 7 companies
  • 2024$481.76 · 14 payments from 8 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$857.16 · 17 payments

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

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