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William C. Spanos, M.D.

NPI 1184833584ActiveIndividual· Otolaryngology· Sioux Falls, SD

Otolaryngology (M.D.) in Sioux Falls, South Dakota, trained at University of Louisville School of Medicine (class of 2001). In 2024 Medicare paid $130,901 for 260 patients, and Part D covered 342 of their prescriptions, 88% of them generic. Medtronic, Inc. was the largest of 6 companies reporting payments in 2025, $844.63 in all, mostly food and beverage.

Overview

NPI1184833584
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 22, 2007
Last updated in NPPESApr 21, 2015

Specialties and licenses

TaxonomyCodeLicenseState
Otolaryngology Primary207Y00000X7326SD
Otolaryngology207Y00000X34781IA

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 - Otolaryngology (SD)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients260
Services billed885 across 136 procedure codes
Paid by Medicare$130,901

Part D prescriptions in 2024

Prescriptions (claims)342 · 422 30-day fills
Patients121
Total drug cost$4,766
Generic share88% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Louisville School of Medicine
Graduation year2001
Medicare specialtyOtolaryngology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$844.63 · 16 payments from 6 companies
  • 2024$773.05 · 9 payments from 8 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$740.81 · 15 payments
  • Travel and Lodging$103.82 · 1 payment

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

Other otolaryngologists in Sioux Falls

All 32 otolaryngologists in Sioux Falls · All otolaryngologists in South Dakota