About
Dr. John R. Johnston brings a broad and deeply trained perspective to family and preventive medicine in Webster, TX. He earned his Bachelor of Arts in Studio Art from the University of Texas at Austin in 1980, graduating on the Dean's List with honors. He then completed his Doctorate of Medicine at the University of Texas Medical Branch in Galveston in 1987. His postgraduate training included an internship at Penn State University in Hershey, PA, followed by a family medicine residency at the University of Texas Medical Branch from 1988 to 1990.
Dr. Johnston holds certifications from the American Academy of Anti-Aging and Regenerative Medicine and the Institute of Functional Medicine. He previously served as Chairman of the Family Medicine Department at Clear Lake Regional Hospital and serves as Medical Director of the ICON Wellness Center. He is passionate about listening carefully to each patient and educating them on their conditions, risks, and options. His practice draws on both conventional and natural therapeutics to address the full picture of a patient's health. Outside of medicine, Dr. Johnston enjoys art, travel, snorkeling, cooking, gardening, and history.
Education & Training
Undergraduate
University of Texas, Austin, TX - Bachelor of Arts, Studio Art 1980; Minor, Art History; Dean's List, Honor Society
Medical School
University of Texas Medical Branch, Galveston, TX - Doctorate of Medicine 1987
Residency
Family Medicine, University of Texas Medical Branch, Galveston, TX (1988-1990)
Additional Training
Internship: Penn State University, Hershey, PA (1987-1988)
Certifications
Conditions Treated
Who is Dr. Johnston right for?
Dr. Johnston is a strong fit for adults seeking a thorough, preventive approach to long-term health. Patients managing chronic conditions such as type 2 diabetes, high cholesterol, or hypertension benefit from his proactive management style. He works well with patients who want both conventional and natural treatment options considered together. Those who value direct physician access and detailed, personalized care plans will feel at home in his practice.
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Frequently Asked Questions
Dr. Johnston focuses on family medicine, preventive medicine, and functional medicine. He has particular experience managing type 2 diabetes, high cholesterol, and hypertension. He integrates advanced diagnostics and both conventional and natural therapeutics to address each patient's individual needs.
Dr. Johnston holds certifications from the American Academy of Anti-Aging and Regenerative Medicine and the Institute of Functional Medicine. These credentials reflect his focus on proactive, root-cause care that goes beyond standard primary care. He is also a member of the American Academy of Family Physicians.
Dr. Johnston earned his medical degree from the University of Texas Medical Branch in Galveston in 1987. He completed an internship at Penn State University in Hershey, PA, then finished a family medicine residency back at the University of Texas Medical Branch in 1990.
Dr. Johnston takes a thorough, individualized approach to each patient. He listens carefully to patient concerns and emphasizes education about conditions, risks, and treatment options. He draws on both conventional medicine and natural therapeutics to build personalized care plans.
Yes, Dr. Johnston incorporates functional medicine principles into his care. He holds a certification from the Institute of Functional Medicine. This approach helps him identify underlying contributors to chronic conditions and offer patients a broader range of treatment options.
Dr. Johnston previously served as Chairman of the Family Medicine Department at Clear Lake Regional Hospital in Webster, TX. He also serves as Medical Director of the ICON Wellness Center. These roles reflect his long-standing involvement in the local medical community.
Yes, Dr. Johnston holds an affiliation with Clear Lake Hospital in the Webster, TX area. When patients need specialized care beyond what his practice offers, he can connect them with specialists at leading medical institutions through MDVIP's Medical Centers of Excellence network.
Dr. Johnston sees adult patients across a range of health needs, from preventive wellness to chronic disease management. He works well with patients who want a thorough evaluation and a doctor who takes time to explain their options. Patients interested in integrating natural and conventional approaches find his practice a good fit.
Yes, Dr. Johnston makes himself available to patients by phone after hours and on weekends. This direct access is a core part of his practice model. Patients do not need to wait until the next business day to reach him for urgent concerns.
Doctor profile last updated June 9, 2026