Anesthesiologists in Colorado
Data updated monthly · Last refresh October 2026
1,205 Anesthesiology providers practice in Colorado, including 7 (1%) offering telehealth. The largest concentration is in Denver. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
1,205providers
7telehealth
Denvertop city
Anesthesiology by city in Colorado
Choose a city to see providers there.
Anesthesiology providers in Colorado
Listed by city, largest first. 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. Annette Vizena, MDFort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Brook Arnold, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Chloe Ingoldby, MDFort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. David Mack, MDFort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. David Mcfarland, MDFort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. David Powell, MDFort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. D Mortensen, D.O.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Douglas Krohn, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Duane Dunn, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Dwain Watrous, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Emily Richardson, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 488-1668 Dr. Erik Perschau, D.O.Fort Collins, CO · $39 in drug and device payments (2025) ·
(970) 224-2985 Dr. Erin Flannery, D.O.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Gary Rechnitz, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Gelerie Stenbakken, MDFort Collins, CO · No drug or device payments recorded (2025) ·
(970) 484-6256 Dr. Hartmut Renger, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Ian Anderson, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. James Derrisaw, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Jason Fife, MDFort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Jeffrey Koepp, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Jeffrey Raymond, M.D.Fort Collins, CO · $42 in drug and device payments (2025) ·
(970) 224-2985 Dr. Jennifer Markus, MDFort Collins, CO · $16 in drug and device payments (2025) ·
(970) 224-2985 Dr. Jeremy Huff, D.O.Fort Collins, CO · $1,585 in drug and device payments (2025) ·
(970) 224-2985 Dr. John Bradley, MDFort Collins, CO · No drug or device payments recorded (2025) ·
(970) 488-1668 Dr. Joshua Pelnar, D.O.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Julio Salimbeni, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Kathleen Hodges, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Kathleen Roman, MDFort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Kelli Weiner, M.D.Fort Collins, CO · $61 in drug and device payments (2025) ·
(303) 586-0582 Dr. Kimberlee Olsen, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Kody Armann, MDFort Collins, CO · No drug or device payments recorded (2025) ·
(877) 701-2985 Dr. Kristin Barney, D.O.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Kymberlee Royals, M.D.Fort Collins, CO · $24 in drug and device payments (2025) ·
(970) 420-0905 Dr. Lucas Sittner, D.O.Fort Collins, CO · $83 in drug and device payments (2025) ·
(970) 224-9102 Dr. Mahalia Marcotte, M.D.Fort Collins, CO · $44 in drug and device payments (2025) ·
(970) 224-2985 Dr. Margeaux Christopherson, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Marisa Rigali, MDFort Collins, CO · No drug or device payments recorded (2025) ·
(970) 821-4500 Dr. Marylida Carline, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Mary Martinez, M.D.Fort Collins, CO · $50 in drug and device payments (2025) ·
(970) 224-2985 Dr. Michael Carter, M.D., PH.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Michael Deringer, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Michael Eisenmenger, MDFort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Nanette Colip, MDFort Collins, CO · No drug or device payments recorded (2025) ·
(970) 225-0875 Dr. Nima Avin, DOFort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Paul Sandoval, MDFort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Richard Alessi, M.D.Fort Collins, CO · $39 in drug and device payments (2025) ·
(970) 224-2985 Dr. Richard Bindseil, D.O.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Rostislav Pavlik, M.D.Fort Collins, CO · $43 in drug and device payments (2025) ·
(970) 224-2985 Dr. Rushton Zepernick, D.O.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Dr. Russell Bobo, M.D.Fort Collins, CO · No drug or device payments recorded (2025) ·
(970) 224-2985 Common questions
How many Anesthesiology providers are in Colorado?There are 1,205 Anesthesiology providers with active NPI records practicing in Colorado, according to federal NPPES data refreshed monthly.
Do Anesthesiology providers in Colorado offer telehealth?Yes. 7 of the 1,205 Anesthesiology providers in Colorado (about 1%) report offering telehealth services in CMS data.
Which cities in Colorado have the most Anesthesiology providers?Denver (224), Aurora (160), Greenwood Village (157) have the highest concentration of Anesthesiology providers in Colorado.
How many Anesthesiology providers in Colorado received drug or device company payments?310 of 1,205 Anesthesiology providers in Colorado (26%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles 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.
Do most Anesthesiologists in Colorado work in independent practices or large health systems?Among 693 Anesthesiologists in Colorado enrolled in Medicare, 6% bill through a solo or small practice with fewer than 10 clinicians, 18% through a mid-size group of 10 to 99, and 76% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Anesthesiologists in Colorado work at?According to CMS facility affiliation records, the Colorado hospitals where the most Anesthesiologists hold privileges are University of Colorado Hospital Authority in Aurora; Uch-Memorial Health System in Colorado Springs; Adventhealth Porter in Denver.
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