Clinical Cardiac Electrophysiologists in Colorado
Data updated monthly · Last refresh October 2026
67 Clinical Cardiac Electrophysiology providers practice in Colorado, including 36 (54%) 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.
67providers
36telehealth
Auroratop city
Clinical Cardiac Electrophysiology by city in Colorado
Choose a city to see providers there.
Where Clinical Cardiac Electrophysiologists in Colorado practice
From CMS Medicare enrollment records covering 52 of the 67 providers listed here (78%). Providers who do not bill Medicare are not included in these figures.
0%solo or small practice (under 10 clinicians)
19%mid-size group (10 to 99)
81%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Clinical Cardiac Electrophysiologists | All clinicians in group | Main city |
| Poudre Valley Medical Group LLC | 14 | 2,425 | Fort Collins |
| University Physicians Inc.orporated | 8 | 3,189 | Aurora |
| Portercare Adventist Health System | 7 | 770 | Littleton |
| Intermountain Medical Group Denver LLC | 4 | 571 | Denver |
| Platte Valley Medical Group LLC | 3 | 120 | Brighton |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Clinical Cardiac Electrophysiologists affiliated |
| Longs Peak Hospital | Longmont | Nonprofit | 5 of 5 | 11 |
| Medical Center of the Rockies | Loveland | Nonprofit | 5 of 5 | 9 |
| Uchealth Greeley Hospital | Greeley | Nonprofit | 4 of 5 | 9 |
| University of Colorado Hospital Authority | Aurora | Government | 5 of 5 | 9 |
| Poudre Valley Hospital | Fort Collins | Nonprofit | 5 of 5 | 9 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Clinical Cardiac Electrophysiology 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. Joseph Schuller, MDAspen, CO · $236 in drug and device payments (2025) · Telehealth ·
(970) 544-7385 Dr. Abdel Ghani El Rafei, M.DAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Christine Tompkins, MDAurora, CO · $1,416 in drug and device payments (2025) · Telehealth ·
(720) 848-0000 Dr. Christopher Porterfield, MD FACCAurora, CO · $189,005 in drug and device payments (2025) · Telehealth ·
(303) 750-0822 Dr. Kishan PadaliaAurora, CO · $8,151 in drug and device payments (2025) ·
(720) 848-0000 Dr. Lohit Garg, MDAurora, CO · $34,695 in drug and device payments (2025) · Telehealth ·
(720) 848-0000 Dr. Lukasz Cerbin, MDAurora, CO · $3,244 in drug and device payments (2025) · Telehealth ·
(720) 848-0000 Dr. Margot Vloka, M.D.Aurora, CO · $3,464 in drug and device payments (2025) ·
(720) 848-0000 Dr. Michael Reiter, MDAurora, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Michael Rosenberg, M.D. Dr. Ryan Aleong, MDAurora, CO · $2,798 in drug and device payments (2025) ·
(720) 848-0000 Dr. Ryan Borne, M.DAurora, CO · $187 in drug and device payments (2025) · Telehealth ·
(720) 848-0000 Dr. Syed Rafay Ali Sabzwari, M.D.Aurora, CO · $11,678 in drug and device payments (2025) · Telehealth ·
(720) 848-0000 Dr. Tessa Genders, MD, PHD Dr. Wendy Tzou, M.D.Aurora, CO · $62,521 in drug and device payments (2025) · Telehealth ·
(303) 493-7000 Dr. Maria Anderson, MDBoulder, CO · $522 in drug and device payments (2025) · Telehealth ·
(303) 442-2395 Dr. Oussama Lawand, M.D.Boulder, CO · $1,632 in drug and device payments (2025) · Telehealth ·
(303) 442-2395 Dr. Samvel Aznaurov, MDBoulder, CO · $1,117 in drug and device payments (2025) ·
(303) 442-2395 Dr. Bradley Mikaelian, M.D.Colorado Springs, CO · $86,090 in drug and device payments (2025) · Telehealth ·
(719) 635-7172 Dr. Christopher Cole, M.D.Colorado Springs, CO · $182 in drug and device payments (2025) ·
(719) 776-8500 Dr. Derrick Fansler, M.D.Colorado Springs, CO · $119 in drug and device payments (2025) · Telehealth ·
(719) 776-8500 Dr. Jaime Gonzalez, M.D.Colorado Springs, CO · $1,564 in drug and device payments (2025) · Telehealth ·
(719) 635-7172 Dr. Mary Olsovsky, M.D.Colorado Springs, CO · No drug or device payments recorded (2025) ·
(719) 635-7172 Dr. Michael Barber, M.D.Colorado Springs, CO · $16 in drug and device payments (2025) ·
(719) 776-8500 Dr. Shu Chang, M.D.Colorado Springs, CO · $23,630 in drug and device payments (2025) · Telehealth ·
(719) 776-8500 Dr. Sunil Nath, M.D.Colorado Springs, CO · $736 in drug and device payments (2025) · Telehealth ·
(719) 776-8500 Dr. Zenith Jameria, MDColorado Springs, CO · $360 in drug and device payments (2025) ·
(719) 960-0363 Dr. Alexis Tumolo, M.D.Denver, CO · $8,202 in drug and device payments (2025) · Telehealth ·
(303) 436-4949 Dr. Benjamin Steinberg, M.D., M.H.S.Denver, CO · $8,595 in drug and device payments (2025) ·
(303) 436-6000 Dr. Christopher Barrett, M.D.Denver, CO · No drug or device payments recorded (2025) ·
(720) 848-0000 Dr. Jason Huang, MDDenver, CO · $1,500 in drug and device payments (2025) · Telehealth ·
(504) 491-4231 Dr. Raphael Sung, MDDenver, CO · $30,332 in drug and device payments (2025) · Telehealth ·
(303) 388-4461 Dr. Charles Johnson, M.D.Fort Collins, CO · $327 in drug and device payments (2025) ·
(970) 221-1000 Dr. David Katz, MDFort Collins, CO · $194 in drug and device payments (2025) · Telehealth ·
(970) 221-1000 Dr. Ethan Ellis, M.D.Fort Collins, CO · $54,735 in drug and device payments (2025) · Telehealth ·
(970) 221-1000 Dr. Robert Kiser, M.D.Fort Collins, CO · $839 in drug and device payments (2025) · Telehealth ·
(970) 221-1000 Dr. Russell Heath, MDFort Collins, CO · $13,078 in drug and device payments (2025) · Telehealth ·
(970) 221-1000 Dr. Maeveen Riordan, DOGolden, CO · $1,087 in drug and device payments (2025) ·
(303) 595-2727 Dr. Rohan TrivediGolden, CO · $5,294 in drug and device payments (2025) ·
(303) 595-2727 Dr. John Moore, MDGrand Junction, CO · $2,886 in drug and device payments (2025) · Telehealth ·
(970) 244-2482 Dr. Arnold Pfahnl, MD, PHDGreeley, CO · No drug or device payments recorded (2025) ·
(970) 392-0900 Dr. Daniel Wann, MDGreeley, CO · $3,049 in drug and device payments (2025) · Telehealth ·
(970) 810-4121 Dr. David Bicknell, D.O.Greeley, CO · $848 in drug and device payments (2025) · Telehealth ·
(970) 810-0900 Dr. Christopher Stees, D.O.Greenwood Village, CO · $5,630 in drug and device payments (2025) · Telehealth ·
(720) 772-8040 Dr. Ganesh Venkataraman, M.D.Lakewood, CO · $9,290 in drug and device payments (2025) ·
(303) 595-2727 Common questions
How many Clinical Cardiac Electrophysiology providers are in Colorado?There are 67 Clinical Cardiac Electrophysiology providers with active NPI records practicing in Colorado, according to federal NPPES data refreshed monthly.
Do Clinical Cardiac Electrophysiology providers in Colorado offer telehealth?Yes. 36 of the 67 Clinical Cardiac Electrophysiology providers in Colorado (about 54%) report offering telehealth services in CMS data.
Which cities in Colorado have the most Clinical Cardiac Electrophysiology providers?Aurora (18), Colorado Springs (9), Littleton (6) have the highest concentration of Clinical Cardiac Electrophysiology providers in Colorado.
How many Clinical Cardiac Electrophysiology providers in Colorado received drug or device company payments?61 of 67 Clinical Cardiac Electrophysiology providers in Colorado (91%) 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 Clinical Cardiac Electrophysiologists in Colorado work in independent practices or large health systems?Among 52 Clinical Cardiac Electrophysiologists in Colorado enrolled in Medicare, 0% bill through a solo or small practice with fewer than 10 clinicians, 19% 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 Clinical Cardiac Electrophysiologists in Colorado work at?According to CMS facility affiliation records, the Colorado hospitals where the most Clinical Cardiac Electrophysiologists hold privileges are Longs Peak Hospital in Longmont; Medical Center of the Rockies in Loveland; Uchealth Greeley Hospital in Greeley.
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