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Radiation Oncologists in Colorado

Data updated monthly · Last refresh October 2026

111 Radiation Oncology providers practice in Colorado, including 46 (41%) offering telehealth. The largest concentration is in Aurora. 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.

111providers
46telehealth
Auroratop city

Radiation Oncology by city in Colorado

Choose a city to see providers there.

Radiation Oncology in Aurora22 providers
Radiation Oncology in Denver14 providers
Radiation Oncology in Colorado Springs13 providers
Radiation Oncology in Grand Junction6 providers
Radiation Oncology in Lafayette5 providers
Radiation Oncology in Fort Collins5 providers
Radiation Oncology in Lone Tree5 providers
Radiation Oncology in Greeley4 providers
Radiation Oncology in Lakewood4 providers
Radiation Oncology in Durango4 providers
Radiation Oncology in Boulder3 providers
Radiation Oncology in Pueblo3 providers
Radiation Oncology in Littleton3 providers
Radiation Oncology in Thornton3 providers
Radiation Oncology in Loveland3 providers
Radiation Oncology in Sterling2 providers
Radiation Oncology in Glenwood Springs2 providers
Radiation Oncology in Greenwood Village2 providers
Radiation Oncology in Wheat Ridge2 providers
Radiation Oncology in Morrison1 providers
Radiation Oncology in Greely1 providers
Radiation Oncology in Englewood1 providers
Radiation Oncology in Longmont1 providers
Radiation Oncology in Carbondale1 providers

Radiation Oncology 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. Geoffrey Johnson, MD
Pueblo, CO · $302 in drug and device payments (2025) · (719) 557-5460
Dr. John Stageberg, M.D.
Pueblo, CO · $62 in drug and device payments (2025) · (719) 557-5460
Dr. Michael Bryant, M.D.
Pueblo, CO · No drug or device payments recorded (2025) · (719) 560-4000
Dr. Michael Vantuyl, M.D.
Sterling, CO · No drug or device payments recorded (2025) · (970) 526-5555
Dr. Mohit Agarwal, MD
Sterling, CO · No drug or device payments recorded (2025) · (970) 399-5607
Dr. Daniel Chin, MD
Thornton, CO · No drug or device payments recorded (2025) · (303) 386-7622
Dr. Gwendolyn Mcginnis, MD, MCR
Thornton, CO · $615 in drug and device payments (2025) · (303) 386-7658
Dr. Kevin Schewe, M.D.
Thornton, CO · $930 in drug and device payments (2025) · (303) 332-6346
Dr. Marina Moskalenko, MD
Westminster, CO · $41 in drug and device payments (2025) · (720) 627-4840
Dr. Julie Weintraub
Wheat Ridge, CO · $24 in drug and device payments (2025) · Telehealth · (303) 467-8903
Dr. Tyler Kemmis, MD
Wheat Ridge, CO · $24 in drug and device payments (2025) · Telehealth · (303) 467-8903

Common questions

How many Radiation Oncology providers are in Colorado?

There are 111 Radiation Oncology providers with active NPI records practicing in Colorado, according to federal NPPES data refreshed monthly.

Do Radiation Oncology providers in Colorado offer telehealth?

Yes. 46 of the 111 Radiation Oncology providers in Colorado (about 41%) report offering telehealth services in CMS data.

Which cities in Colorado have the most Radiation Oncology providers?

Aurora (22), Denver (14), Colorado Springs (13) have the highest concentration of Radiation Oncology providers in Colorado.

How many Radiation Oncology providers in Colorado received drug or device company payments?

68 of 111 Radiation Oncology providers in Colorado (61%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

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 Radiation Oncologists in Colorado work in independent practices or large health systems?

Among 78 Radiation Oncologists in Colorado enrolled in Medicare, 3% bill through a solo or small practice with fewer than 10 clinicians, 17% through a mid-size group of 10 to 99, and 81% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Radiation Oncologists in Colorado work at?

According to CMS facility affiliation records, the Colorado hospitals where the most Radiation Oncologists hold privileges are University of Colorado Hospital Authority in Aurora; Uchealth Highlands Ranch Hospital in Highlands Ranch; HCA-Healthone Dba Swedish Medical Center in Englewood.

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Related

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Radiation Oncology in Colorado? Get featured.