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. Susan Rupp, M.D.Lakewood, CO · No drug or device payments recorded (2025) ·
(303) 429-4663 Dr. Susan Schiff, M.D.Lakewood, CO · $376 in drug and device payments (2025) · Telehealth ·
(303) 422-3727 Dr. Thomas Lally, MDLakewood, CO · No drug or device payments recorded (2025) ·
(303) 993-1330 Dr. Thomas Mayeda, MDLakewood, CO · No drug or device payments recorded (2025) ·
(303) 989-1284 Dr. Tiffany Koonce, DOLakewood, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 338-4545 Dr. Timothy Creany, M.D.Lakewood, CO · $43 in drug and device payments (2025) ·
(303) 893-8300 Dr. Tracy Stiller, MDLakewood, CO · No drug or device payments recorded (2025) ·
(720) 321-5200 Dr. Trang Nguyen, M.D.Lakewood, CO · No drug or device payments recorded (2025) ·
(303) 338-4545 Dr. Vernon Smith, MDLakewood, CO · $622 in drug and device payments (2025) · Telehealth ·
(303) 232-7660 Dr. Virginia Augustitus, M.D.Lakewood, CO · No drug or device payments recorded (2025) ·
(303) 988-2680 Dr. Werner Baumgartner, M.D.Lakewood, CO · No drug or device payments recorded (2025) ·
(303) 988-2680 Dr. Anita Bloor, M.D.Limon, CO · No drug or device payments recorded (2025) ·
(719) 775-7665 Dr. Kay Redman, MDLimon, CO · No drug or device payments recorded (2025) ·
(319) 651-9936 Dr. Alexander Hanna, MDLittleton, CO · No drug or device payments recorded (2025) ·
(303) 827-7272 Dr. Amanda Chiccarelli, D.O, M.ALittleton, CO · No drug or device payments recorded (2025) ·
(303) 798-9996 Dr. Andy FineLittleton, CO · $18 in drug and device payments (2025) · Telehealth ·
(303) 703-8583 Dr. Becky SassamanLittleton, CO · No drug or device payments recorded (2025) ·
(303) 743-5855 Dr. Braden Mogler, MDLittleton, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 730-8900 Dr. Cecelia Johnson-sassoLittleton, CO · $458 in drug and device payments (2025) · Telehealth ·
(303) 948-1570 Dr. Celinde Strohl, MDLittleton, CO · $1,406 in drug and device payments (2025) · Telehealth ·
(303) 798-9996 Dr. Charles Lee, MDLittleton, CO · $24 in drug and device payments (2025) ·
(303) 730-3332 Dr. Christine Blanco, RNLittleton, CO · No drug or device payments recorded (2025) ·
(303) 861-3451 Dr. Christine Sopo-jones, MDLittleton, CO · No drug or device payments recorded (2025) ·
(303) 347-9897 Dr. Christine Trowbridge, MDLittleton, CO · No drug or device payments recorded (2025) ·
(303) 338-4545 Dr. David Conway, MDLittleton, CO · $1,272 in drug and device payments (2025) · Telehealth ·
(303) 798-9996 Dr. David Yu, M.D.Littleton, CO · No drug or device payments recorded (2025) ·
(303) 952-1100 Dr. Deanna BezjakLittleton, CO · No drug or device payments recorded (2025) ·
(303) 743-5855 Dr. Edward Malcolm, D.OLittleton, CO · No drug or device payments recorded (2025) ·
(303) 730-8900 Dr. Fernando Arroyo, MDLittleton, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 338-4545 Dr. George Frank, MDLittleton, CO · $930 in drug and device payments (2025) ·
(303) 933-8240 Dr. George Kraus, M.D.Littleton, CO · No drug or device payments recorded (2025) ·
(303) 985-1566 Dr. Gerald Brown, MDLittleton, CO · No drug or device payments recorded (2025) ·
(303) 933-8240 Dr. Jason Pereira, MDLittleton, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 763-4900 Dr. Jennifer ChurchLittleton, CO · No drug or device payments recorded (2025) ·
(303) 850-2038 Dr. John Fedack, M.D.Littleton, CO · No drug or device payments recorded (2025) ·
(303) 338-4545 Dr. Juliana AdamsLittleton, CO · No drug or device payments recorded (2025) ·
(303) 743-5855 Dr. Karen Ratner, MDLittleton, CO · No drug or device payments recorded (2025) ·
(303) 347-9897 Dr. Karen RiderLittleton, CO · No drug or device payments recorded (2025) ·
(303) 972-5469 Dr. Katherine MendenhallLittleton, CO · No drug or device payments recorded (2025) ·
(303) 861-3451 Dr. Kathleen Weiss, MDLittleton, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 730-3332 Dr. Kathryn Brim Hicks, D.O.Littleton, CO · No drug or device payments recorded (2025) · Telehealth ·
(303) 932-2121 Dr. Kathryn WoodLittleton, CO · No drug or device payments recorded (2025) ·
(303) 743-5855 Dr. Kathy HamiltonLittleton, CO · No drug or device payments recorded (2025) ·
(303) 972-5420 Dr. Kendall Lubeck, MDLittleton, CO · No drug or device payments recorded (2025) ·
(303) 798-9996 Dr. Kristin Brown, M.D.Littleton, CO · $249 in drug and device payments (2025) ·
(303) 933-8240 Dr. Lavonne CarterLittleton, CO · No drug or device payments recorded (2025) ·
(303) 239-7294 Dr. Lawrence Wood, MDLittleton, CO · No drug or device payments recorded (2025) ·
(303) 798-8262 Dr. Lea CraigLittleton, CO · No drug or device payments recorded (2025) ·
(303) 850-5868 Dr. Leonard LeeLittleton, CO · $131 in drug and device payments (2025) ·
(303) 743-5855 Dr. Linda CassellLittleton, CO · No drug or device payments recorded (2025) ·
(303) 972-8084 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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