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William Hale McKay, M.D.

NPI 1861925695ActiveIndividual· Neurological Surgery· Greeley, CO

Neurological Surgery (M.D.) in Greeley, Colorado, trained at Wake Forest University School of Medicine (class of 2017). Mostly services rather than prescriptions: Medicare paid $26,763 for 51 patients in 2024, with only 26 Part D claims. Orthofix Medical, Inc. was the largest of 4 companies reporting payments in 2025, $112.53 in all, mostly food and beverage.

Overview

NPI1861925695
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedApr 8, 2017
Last updated in NPPESJul 25, 2024
Certified by providerJul 25, 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 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 - Neurosurgery (CO)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients51
Services billed98 across 27 procedure codes
Paid by Medicare$26,763

Part D prescriptions in 2024

Prescriptions (claims)26 · 32 30-day fills
Patients15
Total drug cost$289.18
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Medical schoolWake Forest University School of Medicine
Graduation year2017
Medicare specialtyNeurosurgery

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$112.53 · 4 payments from 4 companies
  • 2024$316.90 · 9 payments from 6 companies

Top paying companies in 2025

CompanyAmountPayments
Orthofix Medical, Inc.$38.581
Si-Bone, Inc.$31.281
Elevation Spine, Inc.$26.791
Xtant Medical Inc$15.881

What the 2025 payments were for

  • Food and Beverage$112.53 · 4 payments

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

Other Neurological Surgery providers in Greeley

All Neurological Surgery providers in Colorado →