Summary

Dr. Samuel Johnston specializes in cardiovascular disease and internal medicine, bringing 24 years of experience to his practice. He earned his medical degree from Loyola University of Chicago Stritch School of Medicine, where he developed his expertise in heart and vascular conditions. His dual specialty allows him to provide comprehensive care for patients with complex cardiovascular needs while also addressing their overall health concerns.

Dr. Johnston practices at University of Iowa Health Care Medical Center in Iowa City, where he focuses on treating heart rhythm disorders including irregular heartbeats and atrial fibrillation. He performs diagnostic tests such as EKGs and Holter monitoring to evaluate heart function and rhythm patterns. Patients consistently rate his care highly, giving him an average rating of 4.2 out of 5 stars on Vitals.

AI-generated from data on this provider profile.

Quick Facts

  • 4.2
  • 24 years of experience
  • 16 insurance plans accepted
  • Loyola University Of Chicago Stritch School Of Medicine
  • 4 written reviews
  • 2 specialties
  • 6 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 2 office locations
  • Male

Office Locations

Dr. Samuel Lewis Johnston has 2 locations

University Of Iowa Hospitals And Clinics

200 Hawkins DrIowa City, IA 52242

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Dr. Samuel Lewis Johnston, MDDr. Peter Densen, MDDr. Fredric Ethan Gerr, MDDr. Eiyu Matsumoto, MD
Cardiovascular DiseaseInfectious DiseasePublic Health & General Preventive MedicineInfectious Disease
4.2 
24 Years of Experience 56 Years of Experience 44 Years of Experience 23 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Iowa City , IAIowa City , IAIowa City , IAIowa City , IA
Med School: Loyola University Of Chicago Stritch School Of Medicine Med School: Johns Hopkins University School Of Medicine Med School: Renaissance School Of Medicine At Stony Brook University Med School: Miyazaki Medical College Faculty Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Samuel Lewis Johnston

  • Aetna
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of Illinois
  • Cigna
  • GEHA
  • Health Net - HMO
  • HealthPartners
  • Humana
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Molina Healthcare - Medicaid (Managed)
  • Physicians Mutual
  • State Farm
  • UnitedHealthcare
  • Wellmark Blue Cross Blue Shield
  • Wellmark Blue Cross Blue Shield - PPO

Medical Specialties

Dr. Samuel Lewis Johnston has the following 2 specialties

Specialty Expertise

Dr. Samuel Lewis Johnston has the following 6 areas of expertise

  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Internal Medicine
  • Unstable Angina

Certifications, License, & Education

24 Years Experience

MEDICAL LICENSE

Medical Doctor, Iowa, 2026, Active

EDUCATION & TRAINING

Medical School

Loyola University Of Chicago Stritch School Of MedicineGraduated in 2002

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Frequently Asked Questions

Where is Dr. Samuel Johnston's office located?
Dr. Samuel Johnston's office is located at 200 Hawkins Dr, Iowa City, IA, 52242.
Does Dr. Samuel Johnston accept my insurance?
You can see the insurance plans that Dr. Samuel Johnston accepts on their Vitals profile.
Does Dr. Samuel Johnston accept virtual/telehealth appointments?
Dr. Samuel Johnston has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
How can I make an appointment with Dr. Samuel Johnston?
You can find contact information for Dr. Samuel Johnston here on Vitals.
Is Dr. Samuel Johnston accepting new patients?
Dr. Samuel Johnston has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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