Pediatric Hematologists and Oncologists in Colorado
Data updated monthly · Last refresh October 2026
88 Pediatric Hematology & Oncology providers practice in Colorado. 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.
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Pediatric Hematology & Oncology by city in Colorado
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Pediatric Hematology & 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. Michael Leibowitz, M.D./PH.D. Dr. Michael Levien, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-1234 Dr. Michael Verneris, MDAurora, CO · $4,345 in drug and device payments (2025) ·
(720) 777-1234 Dr. Michael Wang, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-1234 Dr. Nicholas Foreman, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-1234 Dr. Paul Gallo, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-1234 Dr. Pavel Davizon Castillo, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(720) 777-6672 Dr. Rachel Kupferman, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-3061 Dr. Rachelle Nuss, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-1234 Dr. Rajeev Vibhakar, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-1234 Dr. Ralph Quinones, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-1234 Dr. Raymond Walston, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(720) 777-6688 Dr. Roger Giller, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-1234 Dr. Samantha Demarsh, DOAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-6740 Dr. Sanam Shahid, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-6740 Dr. Shelby Mestnik, DOAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-1234 Dr. Taizo Nakano, M.D.Aurora, CO · $4,502 in drug and device payments (2025) ·
(720) 777-1234 Dr. Taru Hays, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-1234 Dr. Taymour Hammoudi, MD, PHDAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-1234 Dr. Terry Fry, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-6740 Dr. Timothy Garrington, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 777-1234 Dr. Tobias Neff, M.D.Aurora, CO · No drug or device payments recorded (2025) ·
(720) 777-1234 Dr. Karol Kerr, M.D.Colorado Springs, CO · No drug or device payments recorded (2025) ·
(719) 305-9025 Dr. Jennifer Clark, MDDenver, CO · No drug or device payments recorded (2025) ·
(303) 832-2344 Dr. John Van Doorninck, MD Dr. Julie Zimbelman, MDDenver, CO · No drug or device payments recorded (2025) ·
(303) 832-2344 Dr. Kristen Eisenman, M.D.Denver, CO · No drug or device payments recorded (2025) ·
(303) 398-6222 Dr. Pamela Hutt, M.D.Durango, CO · No drug or device payments recorded (2025) ·
(970) 385-7977 Dr. Edward Arenson, M.D.Englewood, CO · No drug or device payments recorded (2025) ·
(720) 389-7749 Dr. Stephen Palmer, M.D.Littleton, CO · No drug or device payments recorded (2025) ·
(303) 832-2462 Common questions
How many Pediatric Hematology & Oncology providers are in Colorado?There are 88 Pediatric Hematology & Oncology providers with active NPI records practicing in Colorado, according to federal NPPES data refreshed monthly.
Which cities in Colorado have the most Pediatric Hematology & Oncology providers?Aurora (76), Denver (8), Littleton (1) have the highest concentration of Pediatric Hematology & Oncology providers in Colorado.
How many Pediatric Hematology & Oncology providers in Colorado received drug or device company payments?28 of 88 Pediatric Hematology & Oncology providers in Colorado (32%) 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 Pediatric Hematologists and Oncologists in Colorado work in independent practices or large health systems?Among 38 Pediatric Hematologists and Oncologists in Colorado enrolled in Medicare, 5% bill through a solo or small practice with fewer than 10 clinicians, 0% through a mid-size group of 10 to 99, and 95% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Pediatric Hematologists and Oncologists in Colorado work at?According to CMS facility affiliation records, the Colorado hospitals where the most Pediatric Hematologists and Oncologists hold privileges are Children's Hospital Colorado in Aurora.
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