Surgery in Boulder, Colorado
Data updated monthly · Last refresh September 2026
10 Surgery providers practice in Boulder. Listings are drawn from federal public records and are not endorsements.
Surgery providers in Boulder
Listed alphabetically. 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. Akinlolu Beckley, M.D.Boulder, CO · $265 in drug and device payments (2025) ·
(303) 449-3642 Dr. Ibrahim Cetindag, M.D.Boulder, CO · $2,416 in drug and device payments (2025) ·
(303) 443-2123 Dr. Kilsan Koh, M.D.Boulder, CO · No drug or device payments recorded (2025) ·
(303) 443-1008 Dr. Kyle Marthaller, MDBoulder, CO · $951 in drug and device payments (2025) ·
(303) 443-2123 Dr. Lisa Balduf, MDBoulder, CO · $828 in drug and device payments (2025) ·
(303) 443-2123 Dr. Nathan Roesner, D.O.Boulder, CO · $342 in drug and device payments (2025) ·
(303) 440-7546 Dr. Stephen Johs, M.D.Boulder, CO · No drug or device payments recorded (2025) ·
(303) 443-2123 Dr. Susan Hagen, M.D.Boulder, CO · $37,613 in drug and device payments (2025) · Telehealth ·
(303) 443-2123 Common questions
How many Surgery providers are in Boulder, Colorado?There are 10 Surgery providers with active NPI records practicing in Boulder, according to federal NPPES data refreshed monthly.
Where does this data come from?Provider records 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.
All specialties in Boulder Surgery across Colorado
