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Mark Billy Willits, M.D.

NPI 1831397124ActiveIndividual· Orthopaedic Surgery, Pediatric Orthopaedic Surgery· Tulsa, OK

Orthopaedic Surgery, Pediatric Orthopaedic Surgery (M.D.) in Tulsa, Oklahoma, licensed in OH, with an NPI issued in July 2007. Part D covered 157 prescriptions written in 2024, 100% of them generic. Wenzel Spine, Inc. reported $44.23 in payments in 2024, mostly food and beverage.

Overview

NPI1831397124
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 7, 2007
Last updated in NPPESJul 22, 2011

Specialties and licenses

TaxonomyCodeLicenseState
Orthopaedic Surgery, Pediatric Orthopaedic Surgery Primary207XP3100X35.090321OH

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)Not in the public enrollment file of Oct 1, 2026
Opt-outPast opt-out Oct 30, 2018 – Oct 30, 2026
Can order and referYes

Part D prescriptions in 2024

Prescriptions (claims)157 · 174 30-day fills
Patients83
Total drug cost$1,820
Generic share100% of claims

Medicare sources and data years

Industry payments (Open Payments)

  • 2024$44.23 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Wenzel Spine, Inc.$44.231

What the 2024 payments were for

  • Food and Beverage$44.23 · 1 payment

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

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