A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. Samuel Johnston:
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- Currently 3.5 of 4 stars
The overall average patient rating of Dr. Samuel Johnston is Excellent.
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Specialties & Research
Dr. Samuel Johnston, MD is board certified in Internal Medicine, Cardiovascular Disease, and Clinical Cardiac Electrophysiology.
- He has special expertise in 4 areas:
- Acute Coronary Syndrome (ACS)
- Heart Block
- High Blood Pressure (Hypertension)
- Unstable Angina
Education & Awards
Dr. Johnston graduated from Loyola University Chicago, Maywood. He has 2 awards.
Dr. Johnston has 5 hospital affiliations:
- Central Dupage Hospital
- Delnor Community Hospital
Accepted Insurance Plans
Dr. Johnston accepts these health insurances in at least one office:
- Humana - 2 plans
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- Additional Information
- Where does Dr. Samuel L. Johnston practice?
Dr. Samuel Johnston practices Internal Medicine, Cardiovascular Disease, and Clinical Cardiac Electrophysiology near Winfield, IL.
Additional practice locations include: Geneva, IL and Vancouver, WA.
See Winfield Internists and Winfield Cardiologists.