About
Dr. Angela O'Neil earned her medical degree from the University of Minnesota Medical School and built much of her career at Mayo Clinic in Rochester, Minnesota, where she practiced for over 20 years. At Mayo Medical School, she served as both Assistant Professor and Assistant Dean, earning numerous teaching and service awards from patients, students, and colleagues. She holds board certifications in Family Medicine through ABFM and in Integrative Medicine through ABOIM, and she is also an Institute for Functional Medicine Certified Practitioner.
Dr. O'Neil completed her fellowship in Integrative Medicine at the University of Arizona Center for Integrative Medicine under Dr. Andrew Weil and her fellowship training in ADD/ADHD with Dr. James Greenblatt. D. Her advanced herbal medicine training comes from Dr. Tieraona Low Dog. She also holds formal training in Sexual Medicine through A4M, Hypnosis, Healing Touch, Biofeedback, Neurofeedback, and Infant and Pediatric Massage. Dr. O'Neil practiced obstetrics for much of her career and carries deep expertise in women's health across every life stage. She has a personal and family history of migraine and has worked extensively with migraine patients. She believes every person holds an innate capacity to heal, and she grounds her care in that conviction.
Education & Training
Medical School
University of Minnesota Medical School
Fellowship
Integrative Medicine, University of Arizona Center for Integrative Medicine (under Dr. Andrew Weil); Fellowship Training in ADD/ADHD (with Dr. James Greenblatt)
Additional Training
Certified Food and Spirit Practitioner (Deanna Minich, R.D.); Advanced herbal medicine training under Dr. Tieraona Low Dog; Training in Sexual Medicine (A4M); HeartMath training
Certifications
Conditions Treated
Who is Dr. O'Neil right for?
Dr. O'Neil is a strong fit for adults seeking care that bridges Family Medicine with functional and integrative approaches. Women navigating perimenopause, menopause, PMS, hormonal imbalance, or thyroid conditions benefit directly from her specialty certifications in these areas. Patients managing ADHD, including executives, teens, and older children, find her fellowship-trained approach particularly valuable. She also serves patients dealing with migraine, IBS, sleep disorders, anxiety, depression, or sexual health concerns.
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Frequently Asked Questions
Dr. O'Neil focuses on women's health, ADHD, migraine, hormonal imbalance, thyroid disorders, and preventive medicine. She also treats diabetes, weight management, IBS, sleep disorders, anxiety, depression, and sexual health concerns including low libido. Her integrative training means she draws on functional medicine, herbal medicine, nutrition, and mind-body approaches alongside traditional medicine.
Yes. Dr. O'Neil holds board certifications in Family Medicine through the American Board of Family Medicine and in Integrative Medicine through the American Board of Integrative Medicine. She is also an Institute for Functional Medicine Certified Practitioner and a North American Menopause Society Certified Practitioner.
Dr. O'Neil completed fellowship training in adult and pediatric ADHD with Dr. James Greenblatt, a nationally recognized leader in traditional and holistic care for attention deficit. She sees adults, teens, and older children and integrates genomics through IntellxxDNA into her ADHD evaluations. She has a particular interest in ADHD within executive populations and families.
Dr. O'Neil practiced obstetrics for much of her medical career and holds a North American Menopause Society certification. She supports women through every life stage, from contraception and PMS to perimenopause and menopause. Her approach incorporates hormone balancing, functional medicine, and integrative therapies tailored to each patient's preferences and values.
Yes. Dr. O'Neil has a personal and family history of migraine. That lived experience informs her clinical work with migraine patients and shapes the empathy she brings to headache care.
Dr. O'Neil is a Certified Teacher of Mindfulness-Based Stress Reduction and a Certified Food and Spirit Practitioner. She holds formal training in Hypnosis, Healing Touch, Biofeedback, and Neurofeedback. She also received advanced herbal medicine training under Dr. Tieraona Low Dog and formal training in Sexual Medicine through A4M.
Dr. O'Neil attended the University of Minnesota Medical School. She practiced and served as faculty at Mayo Clinic in Rochester, Minnesota for over 20 years. She completed her Integrative Medicine fellowship at the University of Arizona Center for Integrative Medicine under Dr. Andrew Weil.
Yes. Dr. O'Neil sees executives and executive families, including patients managing ADHD, fatigue, hormonal changes, and cardiovascular risk. She tailors care plans to fit demanding schedules and uses advanced diagnostics, genomics, and functional medicine tools to support high performance and long-term health.
Doctor profile last updated June 9, 2026