Advanced in Apoplexy

Dr. Stephen Marietta

Internal Medicine
National Psychopharmachology Lab
9320 Park West Blvd, 
Knoxville,, TN 
Offers Telehealth
47 Years of Experience
Advanced in Apoplexy
National Psychopharmachology Lab
9320 Park West Blvd, 
Knoxville,, TN 
OverviewInsuranceLocationsSimilar Doctors

Overview

Stephen Marietta is an Internal Medicine provider in Knoxville,, Tennessee. Dr. Marietta has been practicing medicine for over 47 years and is rated as an Advanced provider by MediFind in the treatment of Apoplexy. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Angina, Pacemaker Implantation, and Endoscopy.

Graduate Year
1979
Specialties
Internal Medicine
Licenses
Internal Medicine in TN
Hospital Affiliations
Starr Regional Medical Center Athens
Parkwest Medical Center
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
TeamCare
  • OTHER COMMERCIAL
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 5 Less Insurance Carriers -

Locations

National Psychopharmachology Lab
9320 Park West Blvd, Knoxville,, TN 37923
Call: 865-373-7100
Other Locations
Office
9330 Park West Blvd Ste 202, Knoxville,, TN 37923
Call: 865-691-4850
Similar Doctors
Distinguished in Apoplexy
Dr. Yaqub Ali
Internal Medicine
Distinguished in Apoplexy
Dr. Yaqub Ali
Internal Medicine

Knoxville Nephrology Associates, LLC

6826 Tice Ln, 
Knoxville, TN 
 (32.0 miles away)
865-377-7199
Languages Spoken:
English, Hindi, Urdu
See accepted insurances
Accepting New Patients
Offers Telehealth

Yaqub Ali is a primary care provider, practicing in Internal Medicine in Knoxville, Tennessee. Dr. Ali is rated as a Distinguished provider by MediFind in the treatment of Apoplexy. His top areas of expertise are Acute Kidney Failure, Pericarditis, Apoplexy, Chronic Kidney Disease, and Gastrostomy. Dr. Ali is currently accepting new patients.

Advanced in Apoplexy
Dr. Antonio L. Betanzos
Internal Medicine
Advanced in Apoplexy
Dr. Antonio L. Betanzos
Internal Medicine

Statcare Inpatient LLC

1901 W Clinch Ave, 
Knoxville, TN 
 (27.0 miles away)
865-541-1111
Languages Spoken:
English
See accepted insurances
Accepting New Patients
Offers Telehealth

Antonio Betanzos is a primary care provider, practicing in Internal Medicine in Knoxville, Tennessee. Dr. Betanzos is rated as an Advanced provider by MediFind in the treatment of Apoplexy. His top areas of expertise are Apoplexy, Sepsis, Acute Kidney Failure, Endoscopy, and Gastrostomy. Dr. Betanzos is currently accepting new patients.

Advanced in Apoplexy
Dr. John C. Horner
Internal Medicine
Advanced in Apoplexy
Dr. John C. Horner
Internal Medicine
538 W 6th N St, 
Morristown, TN 
 (66.6 miles away)
423-587-5283
Experience:
44+ years
Languages Spoken:
English
See accepted insurances
Accepting New Patients

John Horner is a primary care provider, practicing in Internal Medicine in Morristown, Tennessee. Dr. Horner has been practicing medicine for over 44 years and is rated as an Advanced provider by MediFind in the treatment of Apoplexy. His top areas of expertise are Chronic Obstructive Pulmonary Disease (COPD), Lung Metastases, Apoplexy, Gastrostomy, and Bone Marrow Aspiration. Dr. Horner is currently accepting new patients.

VIEW MORE APOPLEXY DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Marietta's expertise for a condition
ConditionClose
    • Distinguished
    • Coronary Heart Disease
      Dr. Marietta is
      Distinguished
      . Learn about Coronary Heart Disease.
      See more Coronary Heart Disease experts
    • Advanced
    • Angina
      Dr. Marietta is
      Advanced
      . Learn about Angina.
      See more Angina experts
    • Apoplexy
      Dr. Marietta is
      Advanced
      . Learn about Apoplexy.
      See more Apoplexy experts
    • Atherosclerosis
      Dr. Marietta is
      Advanced
      . Learn about Atherosclerosis.
      See more Atherosclerosis experts
    • Atrial Fibrillation
      Dr. Marietta is
      Advanced
      . Learn about Atrial Fibrillation.
      See more Atrial Fibrillation experts
    • Heart Attack
      Dr. Marietta is
      Advanced
      . Learn about Heart Attack.
      See more Heart Attack experts
    • Experienced
    • Adenosine Deaminase 2 Deficiency
      Dr. Marietta is
      Experienced
      . Learn about Adenosine Deaminase 2 Deficiency.
      See more Adenosine Deaminase 2 Deficiency experts
    • Aortic Regurgitation
      Dr. Marietta is
      Experienced
      . Learn about Aortic Regurgitation.
      See more Aortic Regurgitation experts
    • Aortic Valve Stenosis
      Dr. Marietta is
      Experienced
      . Learn about Aortic Valve Stenosis.
      See more Aortic Valve Stenosis experts
    • Arrhythmias
      Dr. Marietta is
      Experienced
      . Learn about Arrhythmias.
      See more Arrhythmias experts
    • Arterial Embolism
      Dr. Marietta is
      Experienced
      . Learn about Arterial Embolism.
      See more Arterial Embolism experts
    • Atrial Myxoma
      Dr. Marietta is
      Experienced
      . Learn about Atrial Myxoma.
      See more Atrial Myxoma experts
    View All 42 Experienced Conditions
    Want to save this doctor for later?
    Sign Up
    Is this your doctor?
    Find A Second Opinion
    Not sure about your diagnosis?
    Check Your Symptoms
     
     
     
     
    Learn about our expert tiers
    Learn More
    Are you the provider on this profile?
    Claim Profile
    For Patients
    • Our Story
    • How MediFind Works
    • Conditions A-Z
    • Doctor Directory
    • Symptoms Directory
    • Procedures Directory
    • Treatment Directory
    • Drug Directory
    • Infusion Center Finder
    • FAQ
    • Contact Us
    For Providers and Practices
    • Claim Your Profile
    • Newsroom
    Business Solutions
    • Provider
    • Network Solutions
    Additional Resources
    • Consumer Health Data Privacy Policy
    • Privacy Policy
    • Terms of Use
    • Advertising Policy
    • Content Policy
    Subscribe to our newsletter

    Sign up to stay informed about MediFind and get wellness sent your way.

    Close

      By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

      Bullet PinMediFind
      Follow us on
      This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
      © 2026 All Rights Reserved

      Request an Appointment

      If you are experiencing a medical emergency, call 9-1-1.

      MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

      Patient Details

      This information is for the patient who will be seen at the appointment.

        Close

        Returning patient? Use your address on file with the provider.

        Insurance Details

        Please provide information of the primary insurance holder as the practice may require this information to schedule.

        Insurance Provider *
        Insurance ProviderClose

        Appointments Details

        Let’s get more information about your appointment.

                0 / 1000
                0 / 1000
                By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.