Sahar Lashin, MD, PhD

Internal & Regenerative Medicine

Dr. Sahar Lashin is board-certified by the American Board of Internal Medicine and Anti-Aging and Regenerative Medicine. As the only Certified Biological Doctor in California recognized by the Swiss Biological Academy, Switzerland, Dr. Lashin possesses unique expertise in biological medicine. With a distinguished 37-year career, Dr. Lashin showcases profound knowledge and advanced skills in addressing a diverse range of gut and liver issues. Her extensive background in gastroenterology and hepatology is further enriched by a Master’s and a Ph.D. in these fields. Additionally, Dr. Sahar has acquired expertise in tropical medicine diseases and ultrasonic abdominal interventions through studies at esteemed international institutions.

Throughout her comprehensive medical career, Dr. Lashin has exhibited a profound commitment to preventive health, internal medicine, and advancing anti-aging and regenerative medicine. Her versatility is showcased through her position as a USCIS Designated Civil Surgeon, a role she has held since 2022, underlining her dedication to public health.

Dr. Lashin’s passion for education and mentorship was evident during her tenure as a Clinical Assistant Professor at the UCLA Internal Medicine Department from 2015 to 2021. She served as the Chief Medical Officer at Newport Anti-Aging and Regenerative Medicine in California from 2020 to 2022. Additionally, she worked as a consultant at the Center for New Medicine, Body Logic MD, and Optimum Medical Clinics in California, solidifying her impact in the fields of internal medicine and hormone therapy.

Specializing in managing complex and challenging cases, Dr. Lashin focuses on preventive health and internal medicine care. Her role as a menopause and andropause consultant reflects her comprehensive approach to patient care, while her position as a designated Civil Surgeon for the USCIS highlights her commitment to community service. Dedicated to regenerative medical care, Dr. Lashin aims to reverse medical conditions and enhance health for a better aging process, embodying a holistic and patient-centered approach to medicine.

Her comprehensive and integrative approach is applied to every aspect of patient care.

Drawing from her background in internal medicine, tropical medicine, infectious diseases, gastroenterology, and liver diseases, Dr. Lashin’s practice emphasizes treating the whole person, not just the symptoms, offering a nurturing and effective pathway to health.

Dr. Lashin’s work in menopause management, bio-identical hormone replacement therapy, and anti-aging treatments reflects her commitment to blending cutting-edge science with traditional healing wisdom. Adopting the three pillars of Dr. Thomas Rau, she treats patients using the most holistic approaches for maximum results with minimum or no side effects.

Specializing in areas such as age management, andropause/menopause, bio-identical hormone therapy, digestive disorders, fatigue, menstrual disorders, PMS, reproductive health care & fertility, and stress, Dr. Lashin is sought after by those seeking a holistic and transformative approach to their health and well-being.

Her memberships and credentials include the American Board of Internal Medicine and the American Board of Anti-Aging & Regenerative Medicine, and she is the only certified biological doctor in California recognized by the Swiss Biological Academy, Switzerland. Dr. Lashin has received various awards, including the Top Doctor Award in 2022 for Internal Medicine and as an Anti-Aging Consultant in Internal Medicine. She also received the Newport Beach Award for Best Clinic/Doctor in 2022 and has been recognized as the Top Anti-Aging and Regenerative Health Internal Medicine Doctor in California from 2019 to the present. She holds a Certificate of Appreciation from the David Griffin School of Medicine at UC.