About
Dr. Dustin Johnston earned a Bachelor of Science in Physics from Georgia Southern University before pursuing medicine at the Philadelphia College of Osteopathic Medicine. He completed his Internal Medicine residency in Dalton, Georgia, where he developed a strong interest in disease prevention over reactive treatment. That focus on keeping patients healthy, rather than simply managing illness, now shapes every aspect of his clinical approach.
As a DO, Dr. Johnston integrates osteopathic principles with evidence-based internal medicine. He considers how lifestyle, nutrition, movement, stress, and overall physiology work together to influence long-term health. His clinical interests include hormone therapy, root cause medicine, preventive care, and metabolic health. He treats conditions ranging from hypertension and diabetes to thyroid disorders, adrenal dysfunction, and perimenopause. His goal is to educate, empower, and partner with each patient throughout their healthcare journey.
Education & Training
Undergraduate
Georgia Southern University, B.S. Physics
Medical School
Philadelphia College of Osteopathic Medicine
Residency
Internal Medicine, Dalton, Georgia
Conditions Treated
Who is Dr. Johnston right for?
Dr. Johnston suits adults 18 and older who want a physician focused on prevention and root cause investigation. Patients managing chronic conditions like hypertension, diabetes, or thyroid disorders benefit from his thorough, ongoing approach. He is a strong match for adults seeking hormone therapy, including testosterone optimization, perimenopause support, or adrenal and metabolic evaluation. Patients who want direct access to their doctor and longer, unhurried appointments will find his practice model a natural fit.
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Frequently Asked Questions
Dr. Johnston treats a broad range of adult conditions, including hypertension, diabetes, high cholesterol, thyroid disorders, and adrenal dysfunction. He also manages hormonal imbalances, metabolic dysfunction, weight concerns, perimenopause, and menopause. His root cause approach means he looks beyond symptoms to identify contributing factors like nutritional deficiencies, inflammation, and lifestyle habits.
Dr. Johnston holds a Doctor of Osteopathic Medicine degree from the Philadelphia College of Osteopathic Medicine and completed his residency training in Internal Medicine in Dalton, Georgia. He practices as an internal medicine physician with a focus on preventive and functional medicine principles.
Dr. Johnston evaluates hormone health through comprehensive lab work, medical history review, and symptom assessment. He personalizes treatment plans for testosterone optimization, perimenopause and menopause support, thyroid and metabolic hormone evaluation, and adrenal and stress hormone management. He monitors patients on an ongoing basis and adjusts plans as needs evolve.
Rather than treating symptoms in isolation, Dr. Johnston investigates contributing factors like hormonal imbalances, nutritional deficiencies, metabolic dysfunction, inflammation, sleep quality, and stress. He uses this framework across all of his clinical work, from chronic disease management to preventive care planning.
Dr. Johnston trained at the Philadelphia College of Osteopathic Medicine. Osteopathic training emphasizes the connection between lifestyle, nutrition, movement, stress, and overall health. Dr. Johnston applies these principles alongside evidence-based internal medicine to give patients a more complete view of their well-being.
Yes. Members at Johnston Medical have direct access to Dr. Johnston by phone and email. The practice provides urgent care access as part of membership, so patients can reach Dr. Johnston when unexpected health concerns arise without scheduling through a separate urgent care facility.
Dr. Johnston serves adults 18 and older across a wide range of health needs. He works with healthy adults focused on prevention, patients managing chronic conditions, individuals seeking hormone evaluation, and those who want a physician actively engaged in their long-term wellness. Younger family members may join the practice on a case-by-case basis.
Yes. Dr. Johnston incorporates weight management support into his clinical care. He approaches weight through a root cause lens, evaluating metabolic function, hormonal balance, nutrition, and lifestyle factors. He combines nutritional counseling and lifestyle medicine with medical management when appropriate.
Doctor profile last updated September 17, 2026