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William Clarence Geisert, MD

NPI 1336415736ActiveIndividual· Orthopaedic Surgery· Fleming Island, FL

Orthopaedic Surgery (MD) in Fleming Island, Florida, trained at University of Michigan Medical School (class of 2012). 156 Medicare patients in 2024, $32,614 paid; nearly all of their 84 Part D prescriptions were generic (96%). Smith+nephew, Inc. was the largest of 6 companies reporting payments in 2025, $1,209 in all, mostly food and beverage.

Overview

NPI1336415736
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMar 29, 2012
Last updated in NPPESAug 5, 2025
Certified by providerAug 5, 2025

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 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 - Orthopedic Surgery (AZ); Practitioner - Orthopedic Surgery (FL)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients156
Services billed1,450 across 55 procedure codes
Paid by Medicare$32,614

Part D prescriptions in 2024

Prescriptions (claims)84 · 84 30-day fills
Patients55
Total drug cost$2,006
Generic share96% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Michigan Medical School
Graduation year2012
Medicare specialtyOrthopedic Surgery

Medical groups

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,209 · 13 payments from 6 companies
  • 2024$148.80 · 3 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Smith+nephew, Inc.$380.286
Stryker Corporation$304.362
Depuy Synthes Sales Inc.$224.871
Davol Inc.$176.071
Biocomposites Inc$74.081

What the 2025 payments were for

  • Food and Beverage$983.68 · 12 payments
  • Travel and Lodging$224.87 · 1 payment

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

Other Orthopaedic Surgery providers in Fleming Island

All Orthopaedic Surgery providers in Florida →