About
Dr. Cheryl Johnstone is a board-certified internal medicine physician with over 25 years of experience. She earned her medical degree from Wright State University School of Medicine. She then completed her internal medicine residency at The Christ Hospital in Cincinnati. Dr. Johnstone takes a holistic approach to patient care, emphasizing attentive listening and trust.
Her expertise includes chronic disease management and proactive preventive medicine. After years in private practice and urgent care, she joined concierge medicine to focus on relationship-driven care. Dr. Johnstone will lead the new office in Lakewood Ranch, opening in Fall 2026. She is a sports enthusiast and enjoys Florida's climate with her husband.
Education & Training
Undergraduate
The Ohio State University, Columbus, OH, B.S. Microbiology
Medical School
Wright State University School of Medicine, Dayton, OH
Residency
Internal Medicine, The Christ Hospital, Cincinnati, OH
Certifications
Who is Dr. Johnstone right for?
Dr. Cheryl Johnstone is an excellent choice for adult patients seeking an experienced internal medicine physician. Individuals managing chronic conditions will benefit from her 25 years of expertise. Patients who prefer a holistic approach and a strong, trusting relationship will find her a good match. She is ideal for those in the Lakewood Ranch area looking for a dedicated primary care doctor.
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Frequently Asked Questions
Dr. Johnstone will see patients at the new Griffin Concierge Medical office in Lakewood Ranch, Florida.
Dr. Johnstone has more than 25 years of clinical experience as a physician. Her background includes private practice and urgent care settings.
Yes, Dr. Johnstone is a board-certified Diplomate of the American Board of Internal Medicine. She specializes in providing primary care for adults.
Dr. Johnstone earned her medical degree from Wright State University School of Medicine. She later completed her residency in internal medicine at The Christ Hospital in Cincinnati, Ohio.
Dr. Johnstone uses a holistic approach that emphasizes listening and building trust. She is an expert in managing acute and chronic diseases, and she has a passion for proactive, preventive medicine.
After many years in other settings, Dr. Johnstone chose concierge medicine so she could focus on relationship-driven care. This model allows her to build the long-term patient-physician partnerships she values.
Doctor profile last updated April 16, 2026