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Dr. Stephen Marietta, MD

Dr. Stephen Marietta, MD

Age 67 Cardiology M
(10) 10 reviews

Telehealth available

Accepting New Patients


Dr. Stephen Marietta, MD is a cardiology specialist in Knoxville, TN. Dr. Marietta completed a residency at Creighton U Affil Hosps. He currently practices at Cardiology Associates of East Tennessee and is affiliated with Fort Loudoun Medical Center. He accepts multiple insurance plans. Dr. Marietta is board certified in Cardiovascular Disease.


  • Creighton U Affil Hosps, Fellowship Hospital — 1984
  • Creighton U Affil Hosps, Residency Hospital — 1982
  • Creighton U Affil Hosps, Internship Hospital — 1980
  • Creighton University School of Medicine, Medical School — 1979

Insurance Accepted

  • Aetna
  • Ambetter
  • Anthem
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • Humana
  • MultiPlan

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  1. Cardiology Associates of East Tennessee

    1. 1
      Cardiology Associates of East Tennessee
      9320 Park West Blvd, Knoxville, TN 37923 Existing Patients: (865) 373-7100

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I have seen him twice-1 stent put in each time and saved my life twice. Best doctor I have EVER had in my 68 years. HONEST-told me I had bad genes. I will see him again-time for me to have annual heart checkups.
Clint — Feb 20, 2020
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Dr. Stephen Marietta, MD
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Dr. Marietta's Office & Staff

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Frequently Asked Questions

Dr. Marietta frequently treats Heart Disease, Hyperlipidemia, and Hypertension.  

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Hospital Affiliations

  • Fort Loudoun Medical Center
  • Parkwest Medical Center
  • Starr Regional Medical Center Athens