Doctor profile · Federal record

Dr. William McKay, M.D.

Neurological Surgery Physician (CMS: Neurosurgery) · Student in an Organized Health Care Education/Training Program · Student in an Organized Health Care Education/Training Program · Student in an Organized Health Care Education/Training Program · Greeley, CO

  • NPI 1861925695
  • 9 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1801 16Th St
Greeley, CO 806315154
(801) 499-1568
Additional location
12631 E 17Th Ave Ste C307
Aurora, CO 800452527
(303) 724-2302
Additional location
MSC 10 5615 1 University of New Mexico
Albuquerque, NM 871310001
(505) 272-3160
fax (505) 272-9427
Mailing address
5600 S Quebec St Ste 312A
Greenwood Village, CO 801112208

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
July 25, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207T00000X — NUCC code
State licenses (2)
Colorado #DR.0069345 · Colorado #TL.0007986

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861925695. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$275
Transactions
7
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Orthofix Medical, INC. 2 $100.86
DePuy Synthes Sales INC. 1 $60.94
Stryker Corporation 1 $49.44
Medtronic, INC. 2 $38.57
Medical Device Business Services, INC. 1 $25.00

By nature of payment

Food and Beverage
$275

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William McKay's medical specialty?
Dr. William McKay practices Neurological Surgery Physician in Greeley, CO.
Where does Dr. William McKay practice?
Dr. William McKay practices at 1801 16Th St, Greeley, CO 806315154. Office phone: 8014991568.
What is Dr. William McKay's NPI?
Dr. William McKay's National Provider Identifier (NPI) is 1861925695, issued by NPPES.
Does Dr. William McKay accept Medicare assignment?
Dr. William McKay does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.