Emergency Medicine Doctors in Colorado
Data updated monthly · Last refresh October 2026
1,434 Emergency Medicine providers practice in Colorado, including 8 (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.
1,434providers
8telehealth
Denvertop city
Emergency Medicine by city in Colorado
Choose a city to see providers there.
Emergency Medicine 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. Robert Becker, M.D.Pueblo, CO · No drug or device payments recorded (2025) ·
(719) 584-4306 Dr. Robert Macdonald, M.D. Dr. Robert Westermeyer, M.D.Pueblo, CO · No drug or device payments recorded (2025) ·
(719) 584-4595 Dr. Roger Narvaez, M.D.Pueblo, CO · No drug or device payments recorded (2025) ·
(719) 583-2273 Dr. Sarah Boulos, D.O.Pueblo, CO · No drug or device payments recorded (2025) ·
(719) 584-4306 Dr. Scott Calcagno, D.O.Pueblo, CO · No drug or device payments recorded (2025) ·
(719) 584-4306 Dr. Scott Mackey, D.O.Pueblo, CO · No drug or device payments recorded (2025) ·
(719) 584-4306 Dr. Sean Keenan, MDPueblo, CO · No drug or device payments recorded (2025) ·
(719) 584-4000 Dr. Shay Krier, M.D.Pueblo, CO · No drug or device payments recorded (2025) ·
(719) 584-4306 Dr. Thomas Czelatdko, D.O.Pueblo, CO · No drug or device payments recorded (2025) ·
(719) 584-4306 Dr. Thomas Greidanus, M.D.Pueblo, CO · No drug or device payments recorded (2025) ·
(719) 584-4595 Dr. Timothy Varallo, M.D.Pueblo, CO · No drug or device payments recorded (2025) ·
(719) 584-4306 Dr. Trace Caton, M.D.Pueblo, CO · No drug or device payments recorded (2025) ·
(719) 584-4306 Dr. Trevor Halle, M.D.Pueblo, CO · No drug or device payments recorded (2025) ·
(925) 699-2283 Dr. Tyler Keller, M.D.Pueblo, CO · No drug or device payments recorded (2025) ·
(719) 584-4306 Dr. Eileen Daly, MDRifle, CO · No drug or device payments recorded (2025) ·
(970) 625-1510 Dr. Elizabeth Casner, M.D.Rifle, CO · No drug or device payments recorded (2025) ·
(970) 625-1510 Dr. John Willett, D.O.Rifle, CO · No drug or device payments recorded (2025) ·
(970) 625-1510 Dr. Jonathan Gibans, M.D.Rifle, CO · No drug or device payments recorded (2025) ·
(970) 625-1510 Dr. Justin Knight, MDRifle, CO · No drug or device payments recorded (2025) ·
(970) 625-1510 Dr. Kimberly Levin, M.D.Rifle, CO · No drug or device payments recorded (2025) ·
(970) 625-6496 Dr. Lawrence Schneider, MDRifle, CO · No drug or device payments recorded (2025) ·
(970) 625-1100 Dr. Lindsay Krall, MDRifle, CO · No drug or device payments recorded (2025) ·
(970) 625-1100 Dr. Ronald Lawton, M.D.Rifle, CO · No drug or device payments recorded (2025) ·
(970) 625-6418 Dr. Ty Nichols, M.D.Rifle, CO · No drug or device payments recorded (2025) ·
(970) 625-1510 Dr. Alan Adams, MDSalida, CO · No drug or device payments recorded (2025) ·
(719) 239-1242 Dr. Bruce Gross, D.O.Salida, CO · No drug or device payments recorded (2025) ·
(719) 530-2200 Dr. John Wierdsma, D.O.Salida, CO · No drug or device payments recorded (2025) ·
(540) 353-2916 Dr. Joshua Visitacion, M.D. Dr. Stacie Ranniger, MDSalida, CO · No drug or device payments recorded (2025) ·
(719) 530-2200 Dr. William White, M.D.Sedalia, CO · No drug or device payments recorded (2025) ·
(303) 663-1068 Dr. Aubtin SaediSpringfield, CO · No drug or device payments recorded (2025) ·
(719) 523-4501 Dr. David CionniSteamboat Springs, CO · No drug or device payments recorded (2025) ·
(970) 870-1040 Dr. David WilkinsonSteamboat Springs, CO · No drug or device payments recorded (2025) ·
(970) 879-1322 Dr. Jeanne Fitzsimmons, MDSteamboat Springs, CO · $84 in drug and device payments (2025) ·
(970) 879-1322 Dr. Laila Powers, MDSteamboat Springs, CO · No drug or device payments recorded (2025) ·
(970) 879-1322 Dr. Laura Sehnert, M.D.Steamboat Springs, CO · No drug or device payments recorded (2025) ·
(970) 870-1040 Dr. Lawrence Bookman, DOSteamboat Springs, CO · No drug or device payments recorded (2025) ·
(970) 879-1322 Dr. Nathan Anderson, MDSteamboat Springs, CO · No drug or device payments recorded (2025) ·
(970) 879-1322 Dr. Susan Watson, DOSteamboat Springs, CO · No drug or device payments recorded (2025) ·
(970) 870-1040 Dr. Christine Tracy, D.O.Sterling, CO · No drug or device payments recorded (2025) ·
(970) 521-5333 Dr. Vassily Eliopoulos, MDSuperior, CO · No drug or device payments recorded (2025) ·
(303) 414-2083 Dr. Diana Koelliker, M.D.Telluride, CO · No drug or device payments recorded (2025) ·
(970) 728-3848 Dr. Peter Hackett, MDTelluride, CO · No drug or device payments recorded (2025) ·
(970) 728-3848 Common questions
How many Emergency Medicine providers are in Colorado?There are 1,434 Emergency Medicine providers with active NPI records practicing in Colorado, according to federal NPPES data refreshed monthly.
Do Emergency Medicine providers in Colorado offer telehealth?Yes. 8 of the 1,434 Emergency Medicine providers in Colorado (about 1%) report offering telehealth services in CMS data.
Which cities in Colorado have the most Emergency Medicine providers?Denver (286), Aurora (245), Colorado Springs (147) have the highest concentration of Emergency Medicine providers in Colorado.
How many Emergency Medicine providers in Colorado received drug or device company payments?132 of 1,434 Emergency Medicine providers in Colorado (9%) 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 Emergency Medicine Doctors in Colorado work in independent practices or large health systems?Among 652 Emergency Medicine Doctors in Colorado enrolled in Medicare, 5% bill through a solo or small practice with fewer than 10 clinicians, 32% through a mid-size group of 10 to 99, and 63% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Emergency Medicine Doctors in Colorado work at?According to CMS facility affiliation records, the Colorado hospitals where the most Emergency Medicine Doctors hold privileges are University of Colorado Hospital Authority in Aurora; Uch-Memorial Health System in Colorado Springs; Denver Health & Hospital Authority in Denver.
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