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.
Where Internal Medicine Doctors in Colorado practice
From CMS Medicare enrollment records covering 994 of the 2,044 providers listed here (49%). Providers who do not bill Medicare are not included in these figures.
10%solo or small practice (under 10 clinicians)
18%mid-size group (10 to 99)
72%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Internal Medicine Doctors | All clinicians in group | Main city |
| Poudre Valley Medical Group LLC | 163 | 2,425 | Colorado Springs |
| Colorado Permanente Medical Group PC | 150 | 1,325 | Denver |
| University Physicians Inc.orporated | 73 | 3,189 | Aurora |
| Portercare Adventist Health System | 53 | 770 | Denver |
| Denver Health and Hospital Authority | 46 | 830 | Denver |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Internal Medicine Doctors affiliated |
| University of Colorado Hospital Authority | Aurora | Government | 5 of 5 | 166 |
| Uch-Memorial Health System | Colorado Springs | Government | 4 of 5 | 99 |
| Uchealth Highlands Ranch Hospital | Highlands Ranch | Nonprofit | 5 of 5 | 76 |
| Medical Center of the Rockies | Loveland | Nonprofit | 5 of 5 | 68 |
| Poudre Valley Hospital | Fort Collins | Nonprofit | 5 of 5 | 62 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
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. Althea Sobel, M.D.Alamosa, CO · No drug or device payments recorded (2025) ·
(719) 589-8005 Dr. Benedict Famori, M.D.Alamosa, CO · No drug or device payments recorded (2025) ·
(719) 589-2511 Dr. Betsy Thompson, MDAlamosa, CO · No drug or device payments recorded (2025) ·
(719) 589-3696 Dr. Gregory Mcauliffe, MDAlamosa, CO · No drug or device payments recorded (2025) ·
(719) 589-8005 Dr. Katie Payne, MDAlamosa, CO · $343 in drug and device payments (2025) ·
(719) 587-1060 Dr. Linda Mawhorter, M.D.Alamosa, CO · No drug or device payments recorded (2025) ·
(719) 589-8005 Dr. Robert Linden, M.D.Alamosa, CO · No drug or device payments recorded (2025) ·
(719) 589-2511 Dr. Robert Rice, MDAlamosa, CO · No drug or device payments recorded (2025) ·
(719) 589-3000 Dr. Tauqir Ahmad, MDAlamosa, CO · No drug or device payments recorded (2025) ·
(719) 589-8053 Dr. William Brinton, MDAlamosa, CO · No drug or device payments recorded (2025) ·
(719) 589-3000 Dr. Amelia Ashmann, MDArvada, CO · No drug or device payments recorded (2025) ·
(303) 423-5590 Dr. Bruce Mcfarland, D.O.Arvada, CO · No drug or device payments recorded (2025) ·
(303) 423-1360 Dr. Cynthia IrelandArvada, CO · No drug or device payments recorded (2025) ·
(303) 657-6805 Dr. Darrell Gorman, M.D.Arvada, CO · No drug or device payments recorded (2025) ·
(303) 431-2100 Dr. James Libbon, M.D.Arvada, CO · No drug or device payments recorded (2025) · Telehealth ·
(888) 405-6396 Dr. Jamie Stalker, M.D.Arvada, CO · No drug or device payments recorded (2025) ·
(303) 423-9585 Dr. Johanna Freedman, MDArvada, CO · No drug or device payments recorded (2025) ·
(303) 425-4680 Dr. Jonathan Walter, M.D.Arvada, CO · No drug or device payments recorded (2025) ·
(303) 425-1018 Dr. Kelly Jeong, MDArvada, CO · $121 in drug and device payments (2025) · Telehealth ·
(303) 557-0855 Dr. Lawrence Wilner, M.D.Arvada, CO · No drug or device payments recorded (2025) ·
(303) 675-5041 Dr. Marlena Szewczyk, M.D.Arvada, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 603-9300 Dr. Scott Clemens, MDArvada, CO · No drug or device payments recorded (2025) ·
(303) 425-1018 Dr. Tameira Hollander, MD Dr. Thomas Gottlieb, M.D.Arvada, CO · No drug or device payments recorded (2025) ·
(303) 425-1018 Dr. Alana Shah, M.D.Aspen, CO · No drug or device payments recorded (2025) ·
(970) 544-1128 Dr. Ann Mass, MDAspen, CO · No drug or device payments recorded (2025) ·
(970) 544-1234 Dr. Barry Mink, M.D.Aspen, CO · No drug or device payments recorded (2025) ·
(970) 544-1131 Dr. Bryan Gieszl, MDAspen, CO · $161 in drug and device payments (2025) · Telehealth ·
(970) 920-0104 Dr. Carl Schiller, MDAspen, CO · No drug or device payments recorded (2025) ·
(970) 544-1131 Dr. Caroline Mears Norris, DOAspen, CO · $15 in drug and device payments (2025) · Telehealth ·
(970) 279-4111 Dr. Eugene Seymour, M.D.Aspen, CO · No drug or device payments recorded (2025) ·
(310) 486-5677 Dr. Paula Kadison, M.D.Aspen, CO · $93 in drug and device payments (2025) · Telehealth ·
(970) 379-1240 Dr. Susan Zimet, M.D.Aspen, CO · No drug or device payments recorded (2025) ·
(970) 544-1131 Dr. Abigail Clark, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 724-5000 Dr. Adam Abraham, MDAurora, CO · $24 in drug and device payments (2025) · Telehealth ·
(720) 848-0000 Dr. Adam Gilden, MDAurora, CO · $182 in drug and device payments (2025) · Telehealth ·
(720) 848-0000 Dr. Adam Trosterman, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Albert Ackil, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Alexander PaapAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 724-1784 Dr. Alexis Leal, MDAurora, CO · $38 in drug and device payments (2025) · Telehealth ·
(720) 848-0000 Dr. Amber Sieja, MDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 Dr. Amy Huebschmann, MDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 Dr. Amy Mathew, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 724-6043 Dr. Amy Yu, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 724-6031 Dr. Andrea Martinez-savoren, RNAurora, CO · No drug or device payments recorded (2025) ·
(303) 699-3628 Dr. Andrew Pham, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 724-1784 Dr. Angela Budgin, M.D.Aurora, CO · $101 in drug and device payments (2025) · Telehealth ·
(303) 724-1784 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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