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. Molly Brett, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(303) 399-8020 Dr. Monali Sarkar, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 524-1550 Dr. Nancy Kemp-bell, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(303) 338-4545 Dr. Nikki Zarling, MDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 Dr. Nivedita Mahidhara, MDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 Dr. Patrick Mccormick, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(303) 724-1980 Dr. Paul Menard.katcher, MDAurora, CO · $208 in drug and device payments (2025) · Telehealth ·
(720) 848-0000 Dr. Paul Redstone, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Philip Cohen, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 306-4321 Dr. Philip Simonian, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Pierre Onda, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 338-4545 Dr. Piotr Barnas, MDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 812-6880 Dr. Piotr Tabaczewski, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Priscilla CollierAurora, CO · No drug or device payments recorded (2025) ·
(303) 724-1784 Dr. Rachel Swigris, DOAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 Dr. Raymond Gaspari, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 524-1550 Dr. Regina ZogloAurora, CO · No drug or device payments recorded (2025) ·
(303) 338-3600 Dr. Richard Altman, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Richard Brooks, MD, MPHAurora, CO · No drug or device payments recorded (2025) ·
(404) 498-3389 Dr. Richard Byyny, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Richard Penaloza, MDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 Dr. Rima Berchane, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 928-7555 Dr. Rita Lee, MDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 Dr. Robert Doolan, M.D.Aurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 333-5456 Dr. Robert Leder, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Romano Abuaba, MDAurora, CO · $291 in drug and device payments (2025) · Telehealth ·
(720) 324-4777 Dr. Ronald Colson, MDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 Dr. Ross Kazer, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 636-3291 Dr. Ruth Shelman GoetschAurora, CO · No drug or device payments recorded (2025) ·
(303) 743-5855 Dr. Samuel MaltbyAurora, CO · No drug or device payments recorded (2025) ·
(719) 330-3094 Dr. Sanjna Vinze, MPH, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Sapan Shah, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 724-1784 Dr. Sarah Bryan, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 330-0410 Dr. Sarah Lentz, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 724-1784 Dr. Sean Riley, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 338-4545 Dr. Seth Olson, D.O.Aurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 338-4545 Dr. Shabana Jiwani, M.D.Aurora, CO · $1,624 in drug and device payments (2025) · Telehealth ·
(303) 337-5575 Dr. Shabnam Showell, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(303) 399-8020 Dr. Shannon Cupp, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 636-3300 Dr. Sharon DahlingerAurora, CO · No drug or device payments recorded (2025) ·
(720) 536-7676 Dr. Shyamala Venkatram, MDAurora, CO · No drug or device payments recorded (2025) ·
(303) 745-0000 Dr. Stephanie Grayson, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Stephen Alix, M.D.Aurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 745-0000 Dr. Stephen Fuest, MDAurora, CO · No drug or device payments recorded (2025) · Telehealth ·
(720) 848-0000 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.
Related reading on HealthcareDiscovery.AI
Internal Medicine in all 50 states Search all 2,044 in the directory Ask Zach for help choosing
Related
