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Dr. Mark Sheehan, MD

Dr. Mark Sheehan, MD

Age 71 Cardiology M
(11) 11 reviews
Accepting New Patients


Dr. Mark Sheehan, MD is a cardiology specialist in Lone Tree, CO. Dr. Sheehan completed a residency at Baylor University Medical Center. He currently practices at South Denver Cardiology Associates and is affiliated with Littleton Adventist Hospital. He accepts multiple insurance plans. Dr. Sheehan is board certified in Cardiology.


  • University Of Colorado, Fellowship Hospital
  • Baylor University Medical Center, Residency Hospital
  • Baylor Affil Hosps, Internship Hospital — 1975
  • Baylor University, Medical School — 1974

Insurance Accepted

  • Anthem
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)

* Please verify this information when scheduling an appointment.


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  1. South Denver Cardiology Associates

    1. 1
      South Denver Cardiology Associates
      10103 Ridgegate Pkwy Ste 303, Lone Tree, CO 80124 Existing Patients: (303) 744-1065
  1. South Denver Cardiology Associates

    1. 2
      South Denver Cardiology Associates
      950 E Harvard Ave, Denver, CO 80210 Existing Patients: (303) 778-8829
  1. South Denver Cardiology Associates

    1. 3
      South Denver Cardiology Associates
      499 E Hampden Ave, Englewood, CO 80113 Existing Patients: (303) 781-8439

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He is very caring and considerate. Listens to you and I trust him completely Answers my questions and concerns.
Helen Ellerbach in Littleton, CO — Jan 26, 2017
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Photo: Dr. Mark Sheehan, MD
Dr. Mark Sheehan, MD
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Dr. Sheehan frequently treats Heart Disease, Aortic Valve Disease, and Electrocardiogram (EKG).  

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Hospital Affiliations

  • Littleton Adventist Hospital
  • Parker Adventist Hospital
  • Penrose-St. Francis Health Services
  • Porter Adventist Hospital
  • Swedish Medical Center