About
Dr. Gina Casian is a board-certified internist and the founder of Choose Healthy in Coronado, California. She holds dual board certification in Internal Medicine and Lifestyle Medicine (DipABLM). She completed her Internal Medicine residency at Dearborn Hospital, affiliated with Wayne State University, in 2008. Since then, she has practiced primary care in California for over 15 years.
Dr. Casian brings extensive clinical experience across cardiometabolic health, weight management, diabetes, metabolic syndrome, and women's health. She completed a Harvard Medical School certificate program in Women's Health and Menopause, and she is currently pursuing certification as a Menopause Society Certified Practitioner. She is also working toward credentials in neuronutrition, Dialectical Behavior Therapy, and Mindfulness-Based Stress Reduction. Her career has included nearly 20 years serving under-served communities, along with directing a physician-supervised weight-loss clinic. She is deeply passionate about brain health, insulin resistance, and the science of longevity. Her personal philosophy holds that an increased lifespan must rest on a foundation of optimal health span. Outside the clinic, Dr. Casian is a mother who enjoys hiking with her husband and son, and she maintains personal practices in yoga, pilates, meditation, and running.
Education & Training
Residency
Internal Medicine, Dearborn Hospital, affiliated with Wayne State University (completed 2008)
Additional Training
Certificate of completion, Harvard Medical School Women's Health and Menopause; In-progress: Menopause Society Certified Practitioner (MSCP), Neuronutrition Certified Practitioner, Dialectical Behavior Therapy (DBT), Mindfulness-Based Stress Reduction (MBSR)
Certifications
Conditions Treated
Who is Dr. Casian right for?
Dr. Casian is a strong fit for adults managing chronic conditions such as diabetes, hypertension, metabolic syndrome, or thyroid disorders. Women navigating perimenopause or menopause benefit from her focused training in hormonal health and bioidentical therapy. Patients who want a physician to address weight, brain health, or cognitive decline alongside their primary care needs will find her programs well-suited to those goals. Her shared decision-making approach works well for people who want a physician who listens and educates rather than simply prescribes.
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Frequently Asked Questions
Dr. Casian treats a wide range of adult conditions, with particular depth in metabolic and cardiometabolic health. Her clinical focus includes type 2 diabetes, prediabetes, insulin resistance, hypertension, hyperlipidemia, and metabolic syndrome. She also treats perimenopause, menopause, thyroid and adrenal disorders, chronic fatigue syndrome, sleep disorders, anxiety, depression, and cognitive decline. Additional areas include gastrointestinal conditions, obesity, erectile dysfunction, acne, and preconception evaluation.
Yes. Dr. Casian holds board certification in both Internal Medicine and Lifestyle Medicine. Her Lifestyle Medicine credential is designated DipABLM. She also completed a certificate program in Women's Health and Menopause through Harvard Medical School.
Dr. Casian uses a lifestyle-first, evidence-based approach that integrates the Six Pillars of Lifestyle Medicine with traditional internal medicine. She works to identify root causes rather than simply manage symptoms. Her model emphasizes shared decision-making and patient education, and she aims to prevent, manage, or potentially reverse chronic conditions through targeted lifestyle and medical interventions.
Yes. Dr. Casian treats perimenopause and menopause, including bioidentical hormone therapy. She completed a Harvard Medical School certificate program in Women's Health and Menopause. She is currently pursuing certification as a Menopause Society Certified Practitioner. She also presents free women's health and menopause talks at the Coronado Public Library.
Yes. Dr. Casian prescribes both FDA-approved and compounded GLP-1 and dual GLP-1/GIP receptor agonists. She sources compounded formulations through PCAB Accredited and 503B pharmacies. She has extensive clinical experience with these medications and integrates them into a broader weight and metabolic management plan.
Dr. Casian is passionate about brain health and neuronutrition. She is currently pursuing a Neuronutrition Certified Practitioner credential. Choose Healthy offers a three-month Brain Health Program that focuses on protecting and supporting cognitive function through comprehensive assessment and lifestyle intervention.
Dr. Casian completed her Internal Medicine residency in 2008 and has practiced primary care in California for over 15 years. She spent nearly 20 years working in under-served communities before founding Choose Healthy. She has also led a physician-supervised weight-loss clinic.
Yes. Dr. Casian has advanced experience in medication-assisted treatment for opioid and alcohol addiction. This expertise developed during her years serving under-served communities, where she treated a broad range of complex adult health conditions.
Dr. Casian believes that an increased lifespan must rest on a foundation of optimal health span. She approaches every patient with two equally important questions: what is the matter with you, and what matters to you. This dual lens shapes her clinical decisions and her commitment to patient-centered care.
Doctor profile last updated June 11, 2026