Internal Medicine Doctors in Colorado
Data updated monthly · Last refresh October 2026
2,044 Internal Medicine providers practice in Colorado, including 390 (19%) 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.
2,044providers
390telehealth
Denvertop city
Internal Medicine by city in Colorado
Choose a city to see providers there.
Internal 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 Manguso, M.D.Pueblo, CO · No drug or device payments recorded (2025) ·
(719) 546-4313 Dr. Shaun Pitts, DOPueblo, CO · No drug or device payments recorded (2025) ·
(719) 595-7585 Dr. Shradha Pandit, MDPueblo, CO · No drug or device payments recorded (2025) ·
(719) 595-7585 Dr. Stephanie Moss, MDPueblo, CO · No drug or device payments recorded (2025) ·
(719) 595-7585 Dr. Stephen Groendyk, DOPueblo, CO · No drug or device payments recorded (2025) ·
(171) 958-4400 Dr. Suneel Boyareddygari, MD Dr. Tionna SzymanskiPueblo, CO · No drug or device payments recorded (2025) ·
(719) 595-7585 Dr. Vincent Vaughn, D.O.Pueblo, CO · No drug or device payments recorded (2025) ·
(719) 595-7585 Dr. Yong Jeon, MDPueblo, CO · No drug or device payments recorded (2025) ·
(719) 557-4020 Dr. Andrew Emmerman, MDPueblo West, CO · No drug or device payments recorded (2025) ·
(719) 547-9119 Dr. Madeline Brown, M.D.Pueblo West, CO · No drug or device payments recorded (2025) ·
(267) 259-4744 Dr. George Morton, MDRifle, CO · No drug or device payments recorded (2025) ·
(970) 625-5521 Dr. Lihua Du, MDRifle, CO · No drug or device payments recorded (2025) ·
(970) 625-1100 Dr. Peter Schaiberger, M.D.Rifle, CO · No drug or device payments recorded (2025) ·
(970) 625-6555 Dr. Sandra Holzhauer-feeney, MD Dr. John Ellis, MDSalida, CO · No drug or device payments recorded (2025) ·
(719) 530-2000 Dr. Randal Villalovas, M.D. Dr. Roly Kanard, MDSalida, CO · No drug or device payments recorded (2025) ·
(719) 530-2048 Dr. William Schroeder, DOSalida, CO · No drug or device payments recorded (2025) ·
(719) 530-2048 Dr. John Hillman, MDSilverthorne, CO · No drug or device payments recorded (2025) ·
(970) 262-6820 Dr. David Brown, M.D.Silverton, CO · $25 in drug and device payments (2025) · Telehealth ·
(970) 329-2810 Dr. Mark Mccaulley, MDSteamboat Spgs, CO · No drug or device payments recorded (2025) ·
(970) 879-3327 Dr. Jennifer Kempers, MDSteamboat Springs, CO · No drug or device payments recorded (2025) · Telehealth ·
(970) 879-3327 Dr. Kevin Borgerding, MDSteamboat Springs, CO · No drug or device payments recorded (2025) · Telehealth ·
(970) 879-3327 Dr. Lambert Orton, MDSteamboat Springs, CO · No drug or device payments recorded (2025) ·
(970) 879-3327 Dr. Raymond Petersen, MDSteamboat Springs, CO · $3,679 in drug and device payments (2025) · Telehealth ·
(970) 819-1881 Dr. Sarah Hopfenbeck, M.D.Steamboat Springs, CO · No drug or device payments recorded (2025) ·
(970) 879-3327 Dr. William Emerson, M.D.Steamboat Springs, CO · No drug or device payments recorded (2025) ·
(970) 870-0879 Dr. Cassandra Bresnahan, MDSterling, CO · No drug or device payments recorded (2025) ·
(970) 522-0122 Dr. Daniel Lambrecht, M.D.Sterling, CO · No drug or device payments recorded (2025) · Telehealth ·
(970) 522-7266 Dr. Thomas Soper, D.O.Sterling, CO · No drug or device payments recorded (2025) · Telehealth ·
(970) 522-7266 Dr. Timothy Bresnahan, MDSterling, CO · No drug or device payments recorded (2025) ·
(970) 522-0122 Dr. David Pinsinski, MDSuperior, CO · $17 in drug and device payments (2025) ·
(303) 955-8314 Dr. Gary Zuehlsdorff, DOThornton, CO · No drug or device payments recorded (2025) ·
(303) 341-1799 Dr. Jeffrey Warren, MDThornton, CO · $38 in drug and device payments (2025) ·
(303) 286-5129 Dr. Mechelle Viola-lewis, M.D.Thornton, CO · No drug or device payments recorded (2025) ·
(720) 872-0399 Dr. Richard Apke, M.D.Thornton, CO · No drug or device payments recorded (2025) ·
(303) 428-0533 Dr. Todd Dextradeur, MDThornton, CO · No drug or device payments recorded (2025) ·
(303) 777-8333 Dr. Jessica Altree, M.D.Timnath, CO · No drug or device payments recorded (2025) ·
(970) 237-7415 Dr. Matthew Clark, M.D.Towaoc, CO · No drug or device payments recorded (2025) ·
(970) 565-4441 Dr. David Paz, M.D.Trinidad, CO · No drug or device payments recorded (2025) ·
(719) 845-4800 Dr. Elizabeth Stewart, M.D.Trinidad, CO · No drug or device payments recorded (2025) ·
(719) 846-2206 Dr. Precious Castro-flores, MDTrinidad, CO · $143 in drug and device payments (2025) ·
(719) 846-2206 Dr. Sally Fabec, MDTrinidad, CO · No drug or device payments recorded (2025) ·
(719) 846-4433 Dr. Valerie Borsa, M.D.Trinidad, CO · No drug or device payments recorded (2025) ·
(719) 846-8478 Dr. James Reitman, MDU S A F Academy, CO · No drug or device payments recorded (2025) ·
(719) 333-4554 Dr. Robert Tramaloni, MDU S A F Academy, CO · No drug or device payments recorded (2025) ·
(719) 333-5962 Dr. Andrew Gusty, MDUsaf Academy, CO · No drug or device payments recorded (2025) ·
(719) 333-5260 Conditions Internal Medicine providers in Colorado commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Colorado?There are 2,044 Internal Medicine providers with active NPI records practicing in Colorado, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in Colorado offer telehealth?Yes. 390 of the 2,044 Internal Medicine providers in Colorado (about 19%) report offering telehealth services in CMS data.
Which cities in Colorado have the most Internal Medicine providers?Denver (495), Aurora (242), Colorado Springs (168) have the highest concentration of Internal Medicine providers in Colorado.
How many Internal Medicine providers in Colorado received drug or device company payments?409 of 2,044 Internal Medicine providers in Colorado (20%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in Colorado treat?Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management and related conditions. Individual practices vary, so confirm with the provider before booking.
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 Internal Medicine Doctors in Colorado work in independent practices or large health systems?Among 994 Internal Medicine Doctors in Colorado enrolled in Medicare, 10% bill through a solo or small practice with fewer than 10 clinicians, 18% through a mid-size group of 10 to 99, and 72% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in Colorado work at?According to CMS facility affiliation records, the Colorado hospitals where the most Internal Medicine Doctors hold privileges are University of Colorado Hospital Authority in Aurora; Uch-Memorial Health System in Colorado Springs; Uchealth Highlands Ranch Hospital in Highlands Ranch.
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