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. Stephen Ross, MDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 Dr. Steven Kick, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Steven Virant, DOAurora, CO · No drug or device payments recorded (2025) ·
(303) 745-0000 Dr. Susan Nikels, MDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 Dr. Susie Artis, MDAAurora, CO · No drug or device payments recorded (2025) ·
(303) 850-2111 Dr. Suzanne Brandenburg, MDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 Dr. Teresa Welsh, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 338-4545 Dr. Thomas Denberg, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Thomas Mccloskey, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(303) 636-3350 Dr. Thomas Mohr, D.O.Aurora, CO · No drug or device payments recorded (2025) ·
(303) 745-0000 Dr. Timothy Eldridge, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(303) 552-9577 Dr. Timothy Mcginnis, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 724-3921 Dr. Timothy Olson, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(303) 724-6031 Dr. Travis Rinderle, DOAurora, CO · No drug or device payments recorded (2025) ·
(303) 724-9593 Dr. Tyson OberndorferAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-3400 Dr. Vincent Adamo, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(303) 481-7030 Dr. Vivian Sardone, MDAurora, CO · $44 in drug and device payments (2025) · Telehealth ·
(720) 848-0000 Dr. Wagner Schorr-ratzlaff, IIIAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Walter Luce, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(303) 444-5689 Dr. Wayne Miller, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(303) 306-4321 Dr. William Fell, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 872-3914 Dr. William Manning, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. William Warkentin, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 979-0836 Dr. Yaa Asare, MDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 338-4545 Dr. Mark Stephens, MDAvon, CO · No drug or device payments recorded (2025) · Telehealth ·
(970) 926-6340 Dr. Mindy Cooper, MDAvon, CO · $25 in drug and device payments (2025) · Telehealth ·
(970) 926-6340 Dr. Monica Grafals, M.D.Avon, CO · $34,519 in drug and device payments (2025) · Telehealth ·
(709) 266-3409 Dr. David Borchers, MDBasalt, CO · $147 in drug and device payments (2025) · Telehealth ·
(970) 927-8181 Dr. Ali Zirakzadeh, M.D.Boulder, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 415-4250 Dr. Amy Campbell, MDBoulder, CO · $248 in drug and device payments (2025) · Telehealth ·
(303) 327-7047 Dr. Anne Pizzi, M.D.Boulder, CO · No drug or device payments recorded (2025) ·
(303) 388-4545 Dr. Benjamin Keidan, MDBoulder, CO · No drug or device payments recorded (2025) ·
(303) 415-4250 Dr. Benjamin Scallon, M.D.Boulder, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 415-8900 Dr. Bradley Fanestil, M.D.Boulder, CO · No drug or device payments recorded (2025) ·
(303) 415-8615 Dr. Camilo Ortega, M.D.Boulder, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 415-4250 Dr. Carl Aldin, MDBoulder, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 415-7000 Dr. Chester Dreiman, MDBoulder, CO · No drug or device payments recorded (2025) ·
(303) 501-2195 Dr. Christina Bryan, M.D.Boulder, CO · No drug or device payments recorded (2025) ·
(303) 492-5101 Dr. Christopher Trojanovich, M.D.Boulder, CO · $230 in drug and device payments (2025) ·
(720) 776-1050 Dr. Coco Dughi, M.D.Boulder, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 440-3000 Dr. Connor Graham, M.D.Boulder, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 440-3000 Dr. Daniel Kinderlehrer, MDBoulder, CO · No drug or device payments recorded (2025) ·
(303) 444-4877 Dr. David Lawrance, M.D.Boulder, CO · No drug or device payments recorded (2025) ·
(303) 492-5101 Dr. David Lookner, M.D.Boulder, CO · No drug or device payments recorded (2025) ·
(303) 338-4545 Dr. Dawn Hutchinson, MDBoulder, CO · No drug or device payments recorded (2025) ·
(303) 415-3875 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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