Preston Helmly, MD

Board-Certified Psychiatrist

Dr. Preston Helmly is a board-certified psychiatrist providing evidence-guided, patient-centered care for adults in Johnson City, Tennessee, and surrounding communities. His approach emphasizes careful evaluation, clinical rigor, and compassionate treatment.



With experience caring for patients in both inpatient and outpatient settings, Dr. Helmly is comfortable working with a broad range of psychiatric concerns, including complex symptoms, co-occurring conditions, and medication needs.

Education & Advanced Training

Dr. Helmly completed his psychiatry residency at East Tennessee State University’s Quillen College of Medicine, where he served as Chief Resident and earned multiple recognitions for excellence in teaching and clinical knowledge.


  • Psychiatry residency at East Tennessee State University’s Quillen College of Medicine
  • Chief Resident during psychiatry training
  • Experience as an attending psychiatrist at Woodridge Psychiatric Hospital
  • Extensive experience in acute inpatient psychiatry
  • Experience caring for patients with complex psychiatric and co-occurring substance use disorders
  • Service to veterans through the Mountain Home VA Medical Center
  • Ongoing involvement in medical education and physician training
  • Board-certified in Psychiatry

Clinical Interests

Mood Disorders


Anxiety Disorders


Trauma-related Conditions


Psychopharmacologic Care


Complex Psychiatric Presentations


Co-Occurring Psychiatric and Substance Use Conditions


Diagnostic Evaluation and Clarification


Collaborative Treatment Planning


A Thoughtful, Evidence-Based Approach


Dr. Helmly believes effective psychiatric care begins with understanding the full picture. Symptoms, medical history, previous treatments, medications, life experiences, and individual goals can all provide important information when determining the most appropriate path forward.



His approach is grounded in evidence-based medicine while remaining individualized to the person receiving care. When medication is appropriate, careful selection, monitoring, and ongoing evaluation are important parts of treatment.

Clinical Experience & Medical Education

Dr. Helmly previously served as an attending psychiatrist at Woodridge Psychiatric Hospital, caring for adults with complex psychiatric conditions and co-occurring substance use disorders. He has extensive experience in acute inpatient settings and currently serves veterans at the Mountain Home VA Medical Center.


Education remains an important part of Dr. Helmly’s professional work. He continues to teach psychiatric residents and medical students. He is a member of the American Psychiatric Association, Tennessee Psychiatric Association, and American Society of Addiction Medicine.

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Care at Hearthstone Psychiatry & Wellness

At Hearthstone Psychiatry & Wellness, Dr. Helmly provides physician-led psychiatric care grounded in science, careful evaluation, and human connection. His goal is to work collaboratively with patients to understand what they are experiencing, identify an appropriate treatment strategy, and make thoughtful adjustments as their needs evolve.

Frequently Asked Questions

  • What conditions does Dr. Helmly treat?

    Dr. Helmly treats adults with a range of psychiatric concerns, including mood disorders, anxiety disorders, trauma-related conditions, and complex psychiatric presentations. Treatment recommendations are based on an individualized psychiatric evaluation.

  • Does Dr. Helmly provide psychiatric medication management?

    Yes. Psychopharmacologic care is one of Dr. Helmly’s clinical interests. When medication is appropriate, treatment includes careful consideration of symptoms, health history, previous treatment response, potential side effects, and other medications.

  • Does Dr. Helmly work with patients who have complex psychiatric histories?

    Yes. Dr. Helmly has experience in acute inpatient psychiatry and caring for adults with complex psychiatric and co-occurring conditions. This background can be helpful for complicated treatment histories or when diagnostic clarification is needed.

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NEXT STEPS

Schedule an Appointment

If you are looking for thoughtful, physician-led psychiatric care in Johnson City or the surrounding Northeast Tennessee area, schedule an appointment with Dr. Preston Helmly at Hearthstone Psychiatry & Wellness.


Conditions we treat: Anxiety & Panic Disorders · Depression & Mood Disorders · Bipolar Spectrum Conditions · Trauma & PTSD · Sleep Disorders · Stress, Burnout & Life Transitions · ADHD