Dr. Stephen L. Marietta
- Gender: Male
- Experience: 42 years
- Graduated from: Creighton University School Of Medicine
- Graduation year: 1979
- Sole propriator: No
- NPI: 1053301606
Dr. Stephen L. Marietta M.D.
Cardiologist
He is located at 9330 Park West Boulevard Suite 202 in Knoxville, TN 37923. Can help patients with the following: Atrial Fibrillation, Endocarditis, Orthostatic Hypotension, Pericarditis, Pulmonary Hypertension (PH), Urinary Tract Infection (UTI). His National Provider Identifier (NPI) number is 1053301606. Appointment can be made via the phone number (865) 691-4850. He is affiliated with 2 practices and 3 hospitals.
Conditions treated
Dr. Stephen Marietta, being an cardiologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Stephen L. Marietta.
- Abdominal Aortic Aneurysm (AAA)
- Abdominal Pain
- Acute Pain
- Amyloidosis
- Anemia
- Angina
- Aortic Stenosis
- Arrhythmia
- Arthritis
- Asthma
- Atherosclerosis
- Atrial Fibrillation
- Atrial Flutter
- Atrial Septal Defect (ASD)
- Birth Defects
- Bladder Control
- Blood Clots
- Bradycardia
- Cardiomyopathy
- Carotid Artery Disease
- Cerebral Aneurysm
- Chest Pain
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Chronic Venous Insufficiency
- Common Cold
- Congenital Heart Disease (CHD)
- Congestive Heart Failure (CHF)
- Constipation
- Cystitis
- Diarrhea
- Edema
- Endocarditis
- Fainting
- Fever
- Gastroesophageal Reflux Disease (GERD)
- General Care
- Headache
- Heart Attack
- Heart Disease
- Heart Murmur
- Heart Valve Disease
- Hiatal Hernia
- High Blood Pressure
- High Cholesterol
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Influenza
- Inguinal Hernia
- May-Thurner Syndrome
- Migraine
- Mitral Insufficiency
- Mitral Valve Prolapse (MVP)
- Mitral Valve Stenosis
- Myocarditis
- Nausea and Vomiting
- Obesity
- Orthostatic Hypotension
- Osteoporosis
- Pacemaker
- Palpitations
- Paroxysmal Supraventricular Tachycardia (PSVT)
- Peptic Ulcer
- Pericardial Tamponade
- Pericarditis
- Postural Orthostatic Tachycardia Syndrome (POTS)
- Premature Ventricular Contraction (PVC)
- Prescription Refill
- Pulmonary Edema
- Pulmonary Embolism (PE)
- Pulmonary Hypertension (PH)
- Renal Vascular Disease
- Rheumatic Fever
- Rheumatic Heart Disease
- Stroke
- Urethritis
- Urinary Tract Infection (UTI)
- Ventricular Fibrillation
- Ventricular Septal Defect (VSD)
- Wolff-Parkinson-White Syndrome (WPW)
Procedures Performed by Dr. Stephen L. Marietta
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Stephen L. Marietta as in-network for the following 2026 plans.
Health plans
BlueCross BlueShield of Tennessee
Network data as of Aug 25, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BlueCross B16S $50 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Expanded Bronze | Blue Network S | Accepting new patients |
| BlueCross G08S $30 PCP Copay + $0 virtual care from Teladoc Health ® (8 plan variants) | EPO · Gold | Blue Network S | Accepting new patients |
| BlueCross S26S $40 PCP Copay + $0 virtual care from Teladoc Health® (8 plan variants) | EPO · Silver | Blue Network S | Accepting new patients |
Cigna Healthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 10 plans from Cigna Healthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Connect Bronze 7500 Indiv Med Deductible | EPO · Bronze | Preferred | Accepting new patients |
| Connect Bronze 8500 Indiv Med Deductible | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Bronze CMS Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect Gold 1500 Indiv Med Deductible | EPO · Gold | Preferred | Accepting new patients |
| Connect Gold CMS Standard | EPO · Gold | Preferred | Accepting new patients |
| Connect myDiabetesCare Bronze | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Connect myDiabetesCare Silver | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver 3000 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver 4500 Indiv Med Deductible | EPO · Silver | Preferred | Accepting new patients |
| Connect Silver CMS Standard | EPO · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Stephen L. Marietta is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. Stephen L. Marietta is enrolled to bill Medicare as a Practitioner - Interventional Cardiology (also registered under: Practitioner - Cardiovascular Disease (cardiology)) .
Bills through: Parkwest Medical Center
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Novartis | $347 |
| Zoll Medical | $322 |
| Cryolife | $202 |
Other
| Food and Beverage | $1548 |
Studies
CREIGHTON UNIVERSITY SCHOOL OF MEDICINE
Graduated in 1979Additional Specialities
- Internist
Affiliated hospitals
Looking for more Cardiologists?
There are 8 other cardiologists in this region.
- Gender: Male
- Address: 9320 Park West Boulevard Knoxville, 37923, TN
- Gender: Male
- Address: 1490 Park Avenue Northwest Suite 3C Norton, 24273, VA
- Gender: Female
- Address: 4411 Medical Drive Suite 300 San Antonio, 78229, TX
- Gender: Male
- Address: Suite 300 9314 Park West Boulevard Knoxville, 37923, TN
- Gender: Female
- Address: 9320 Park West Boulevard Knoxville, 37923, TN
- Gender: Male
- Address: Suite 202 9330 Park West Boulevard Knoxville, 37923, TN
- Gender: Female
- Address: 7557B Dannaher Drive Suite 225 Powell, 37849, TN
- Gender: Male
- Address: Suite 202 9330 Park West Boulevard Knoxville, 37923, TN
Questions & Answers
Does Dr. Stephen Marietta accept patients with BlueCross BlueShield of Tennessee?
Yes, Dr. Stephen Marietta is listed in-network for BlueCross BlueShield of Tennessee through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
What conditions does Dr. Stephen Marietta treat?
Dr. Stephen Marietta provides treatment for Atrial Fibrillation, Endocarditis, Orthostatic Hypotension, Pericarditis, Pulmonary Hypertension (PH), Urinary Tract Infection (UTI). For the full list see this list.
Where can you meet with Dr. Stephen Marietta?
Dr. Stephen Marietta's office is located at 9330 Park West Boulevard Suite 202 in Knoxville, TN 37923.
Has Dr. Stephen Marietta affiliation with hospitals?
Dr. Stephen Marietta is affiliated with STARR REGIONAL MEDICAL CENTER ATHENS. For the full list of hospitals see this list.
Does Dr. Stephen Marietta have affiliation with practices?
Dr. Stephen Marietta is affiliated with Covenant Medical Group. For the full list of practices see this list.