Anesthesiology in Greeley, Colorado
Data updated monthly · Last refresh September 2026
17 Anesthesiology providers practice in Greeley. Listings are drawn from federal public records and are not endorsements.
Anesthesiology providers in Greeley
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Alan Merkow, MDGreeley, CO · No drug or device payments recorded (2025) ·
(970) 495-0300 Dr. Brian Hamberg, DOGreeley, CO · No drug or device payments recorded (2025) ·
(970) 420-0905 Dr. Callana Fox, MDGreeley, CO · No drug or device payments recorded (2025) ·
(970) 810-4121 Dr. Christopher Michael, MDGreeley, CO · No drug or device payments recorded (2025) ·
(970) 350-4800 Dr. David Hufnagel, M.D.Greeley, CO · No drug or device payments recorded (2025) ·
(970) 352-4121 Dr. Gregory Campbell, M.D. Dr. Jonathan Lord, DOGreeley, CO · No drug or device payments recorded (2025) ·
(970) 352-4121 Dr. Kenyon Morrow, M.D.Greeley, CO · No drug or device payments recorded (2025) ·
(970) 506-6789 Dr. Mark Faszholz, MDGreeley, CO · No drug or device payments recorded (2025) ·
(970) 350-4819 Dr. Mary Maxwell, MDGreeley, CO · No drug or device payments recorded (2025) ·
(970) 495-0300 Dr. Owen Dry, MDGreeley, CO · $401 in drug and device payments (2025) ·
(970) 352-4121 Dr. Robert Hagebak, MDGreeley, CO · $107 in drug and device payments (2025) ·
(970) 350-6399 Dr. Robert Hart, M.D.Greeley, CO · No drug or device payments recorded (2025) ·
(970) 506-6700 Dr. Shelley Peetz, M.D.Greeley, CO · No drug or device payments recorded (2025) ·
(970) 506-6700 Dr. Vicki Callahan, MDGreeley, CO · No drug or device payments recorded (2025) ·
(970) 810-4969 Dr. Yo-jun Song, MD, PHDGreeley, CO · No drug or device payments recorded (2025) ·
(970) 352-4121 Common questions
How many Anesthesiology providers are in Greeley, Colorado?There are 17 Anesthesiology providers with active NPI records practicing in Greeley, according to federal NPPES data refreshed monthly.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Greeley Anesthesiology across Colorado