Best Cardiologists in Fort Collins
Choosing a cardiologist in Fort Collins, is easier when you can see credentials, listed plans, and patient ratings in one place. Heallexa shows 40+ verified cardiologists side by side.
40 cardiologists in Fort Collins

Poudre Valley Medical Group, LLC
4.5Poudre Valley Medical Group, LLC · Cardiovascular Disease Physician
1024 S Lemay Ave(970) 221-1000
Mohamed Zaki Ahmed Refaat, MD
4.5Mohamed Zaki Ahmed Refaat · Cardiovascular Disease Physician
2121 E Harmony Rd Unit 100(970) 221-1000
Charles Patrick Green, MD
4.5Charles Patrick Green · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000

Stephen A Treat, MD
4.5Stephen A Treat · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Philip B Dattilo, MD
4.5Philip B Dattilo · Interventional Cardiology Physician
2121 E Harmony Rd(970) 221-1000
John Bradley Oldemeyer, MD
4.5John Bradley Oldemeyer · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Anthony H Doing, MD
4.5Anthony H Doing · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Anthony H Doing, MD
4.5Anthony H Doing · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Charles Patrick Green, MD
4.5Charles Patrick Green · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Roger C Ashmore, MD
4.5Roger C Ashmore · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Michael Adam Weinreich, MD
4.5Michael Adam Weinreich · Cardiovascular Disease Physician
2121 E Harmony Rd Unit 100(970) 221-1000
Thomas R Downes, MD
4.5Thomas R Downes · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
John Bradley Oldemeyer, MD
4.5John Bradley Oldemeyer · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Tristan Joseph Dow, MD
4.5Tristan Joseph Dow · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Dennis G Larson, MD
4.5Dennis G Larson · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Todd B Whitsitt, MD
4.5Todd B Whitsitt · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Roger C Ashmore, MD
4.5Roger C Ashmore · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Healthone Clinic Services - Pediatric Specialties LLC
4.5Healthone Clinic Services - Pediatric Specialties LLC · Pediatric Cardiology Physician
126 W Harvard St Suite 1(303) 860-9933
Poudre Valley Medical Group, LLC
4.5Poudre Valley Medical Group, LLC · Cardiovascular Disease Physician
1107 S Lemay Ave(970) 221-1000
William E Miller, MD
4.5William E Miller · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Healthone Clinic Services - Pediatric Specialties LLC
4.5Healthone Clinic Services - Pediatric Specialties LLC · Pediatric Cardiology Physician
4700 Lady Moon Dr(970) 821-4000

David C Peritz, MD
4.5David C Peritz · Cardiovascular Disease Physician
2121 E Harmony Road Suite 100(970) 221-1000
Robert Howard Kiser, MD
4.5Robert Howard Kiser · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Todd B Whitsitt, MD
4.5Todd B Whitsitt · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Charles Timothy Johnson, MD
4.5Charles Timothy Johnson · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000

William E Miller, MD
4.5William E Miller · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Dennis G Larson, MD
4.5Dennis G Larson · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Poudre Valley Medical Group, LLC
4.5Poudre Valley Medical Group, LLC · Cardiovascular Disease Physician
2121 E Harmony Rd Unit 100(970) 221-1000
Obstetrix Medical Group Of Colorado, P.C.
4.5Obstetrix Medical Group Of Colorado, P.C. · Pediatric Cardiology Physician
126 W Harvard St Suite 1(800) 243-3839
Charles Timothy Johnson, MD
4.5Charles Timothy Johnson · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Gary J Luckasen, MD
4.5Gary J Luckasen · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Francesca Mazzulla, MD
4.5Francesca Mazzulla · Cardiovascular Disease Physician
2121 E Harmony Rd Unit 100(970) 221-1000
Vvmc Diversified Services
4.5Vvmc Diversified Services · Cardiovascular Disease Physician
4700 Lady Moon Dr(970) 476-1110
Thomas R Downes, MD
4.5Thomas R Downes · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Gary J Luckasen, MD
4.5Gary J Luckasen · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Stephen A Treat, MD
4.5Stephen A Treat · Cardiovascular Disease Physician
2121 E Harmony Rd(970) 221-1000
Matthew T Purvis, MD
4.5Matthew T Purvis · Interventional Cardiology Physician
2121 E Harmony Rd(970) 221-1000
Cardiologists in Fort Collins by insurance
These providers list this insurance as accepted, but coverage should be confirmed directly with the provider before booking.
Cardiologists in nearby cities
Same specialty in cities near Fort Collins — useful if your insurance network extends across the metro.
About finding a cardiologist in Fort Collins
Fort Collins has cardiologists practicing across hospital systems, group practices, and independent clinics. When choosing a cardiologist in Fort Collins, the three factors most patients care about are: insurance acceptance, distance from home or work, and patient reviews. Heallexa shows all three on every listing so you can compare without clicking back and forth.
Many Fort Collins cardiologists list major insurance plans including Blue Cross Blue Shield, Aetna, UnitedHealthcare, Cigna, Humana, and Medicare. Listings reflect what providers have indicated they accept — always confirm in-network status directly with the office before booking. Out-of-network visits can cost 3–5× more than in-network ones.
Common questions about cardiologists in Fort Collins
How much does a visit to a cardiologist cost in Fort Collins?+
In-network cardiologists in Fort Collins typically run $120–$300 for an initial visit before insurance. Out-of-network rates can be 3–5× higher. Use the insurance filter above to see Fort Collins cardiologists who list your specific plan, and confirm acceptance directly with the office before booking.
Are Fort Collins cardiologists accepting new patients?+
Most Fort Collins listings indicate new-patient status on the profile. Wait times vary by specialty and insurance; calling the office directly is the fastest way to confirm same-week availability.
Which insurance plans do Fort Collins cardiologists list?+
Major plans in include Blue Cross Blue Shield, Aetna, UnitedHealthcare, Cigna, Humana, and Medicare. Listings show plans the provider has indicated they accept — always confirm in-network status directly with the office before your appointment.
Do I need a referral to see a cardiologist in Fort Collins?+
Most PPO plans in allow direct booking. HMO and many Medicare Advantage plans require a primary-care referral first. Confirm with your insurer or the office before booking.