About Kathleen OBrien
Dr. Kathleen (Katie) OBrien is a board-certified Emergency Medicine physician and functional medicine practitioner with more than 20 years of conventional medical experience. Through Tahoe Hormone Therapy, she focuses on helping women navigate perimenopause and menopause with personalized, membership-based functional and integrative healthcare.
Her approach considers the connections between hormones, metabolism, cardiovascular health, brain function, immune health, digestion, sleep, and stress. The practice combines medical consultations with health coaching and physique coaching to support women's long-term health goals.
Highlights
- MD and Master of Public Health (MPH)
- Board-certified in Emergency Medicine
- More than 20 years of conventional medical experience
- Functional medicine training through IFM
- Menopause Society certification listed on the practice website
- Focus on perimenopause and menopause care
- Hormone and metabolic health support
- Weight-management and GLP-1 medication management
- Collaborative team with health and physique coaches
- Virtual care in four states
- Membership-based wellness programs
- English and Spanish listed on IFM profile
Services & expertise
Functional Medicine Integrative Medicine Women's Health Perimenopause Care Menopause Care Hormone Therapy Hormonal Health Cardiovascular Health Metabolic Health Weight Management GLP-1 Medication Management Brain Health Immune Health Digestive Health Sleep Optimization Stress Management Health Coaching Physique and Fitness Coaching. Adrenal Thyroid & Pituitary Health Bone Skin & Muscle Health Cardiovascular Health Chronic Fatigue & Chronic Pain Diabetes & Metabolic Syndrome Gut & Microbiome Health Immune Health & Autoimmunity Nutrition Health & Wellness Women’s & Men’s Hormonal Health.
Frequently asked questions
Does Dr. OBrien offer telehealth?
Yes. All appointments are virtual. Patients must be physically located in Arizona, California, Massachusetts, or Nevada during their appointments.
Does the practice offer in-person appointments?
No. The official FAQ specifically states that appointments are fully virtual. The Reno and Concord addresses appear in the IFM directory, but they should not be treated as confirmed in-person clinic locations.
Does the practice accept insurance?
No. It operates as a self-pay practice and does not directly accept insurance. Superbills may be available for possible reimbursement.
Practice
Tahoe Hormone Therapy is a virtual, membership-based functional medicine practice primarily serving women in perimenopause and menopause.
The care model combines conventional medical experience with functional medicine, advanced laboratory testing, hormone management, weight-management support, nutrition, supplements, and lifestyle strategies. Depending on the patient's needs, treatment plans may include hormone therapy, GLP-1 medication management, peptides, and mind-body approaches.
Not accepting online bookings yet
Kathleen OBrien is listed in the Functional Health Network directory but hasn’t opened online
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