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Gene L. Syn, MD, is one of the skilled physicians practicing at Minimally Invasive Medical Group, which has offices in Lake Forest, Mission Viejo, and Irvine, California. 

He is a second-generation Korean-American who was born in Los Angeles and raised in Orange County, California.  He graduated from the UCLA School of Medicine in 1992.  He then did his general surgery residency at the New York Flushing Hospital Medical Center from 1992 to 1997. He further specialized in colon and rectal surgery at the Greater Baltimore Medical Center from 1997 to 1998. 

Dr. Syn received his board certification from the American Board of Surgery as well as the American Board of Colon and Rectal Surgery. He has been practicing colon and rectal surgery in Southern California for over 20 years.

To schedule an appointment with Dr. Syn or another member of the team at Minimally Invasive Medical Group, call the office or request an appointment online today.

Dr. Ricardo La Grotta, MD is a primary care physician. He serves patients at HealthyU Clinics at our Chandler, Arizona clinic.

With over two decades of medical experience, Dr. La Grotta brings his passion and commitment to HealthyU Clinics. Motivated by the organization's dedication to prioritizing patients, he joins with enthusiasm and a belief that the clinic is truly upholding the oath in primary care by putting people first.

Having spent his formative years in diverse regions such as South America, the Caribbean, and the Pacific Northwest, Dr. La Grotta has cultivated a unique perspective. His focus on Primary Care and Urgent Care stems from a seamless blend of practical experience and scientific knowledge.

Although his family has been in the Pacific Northwest for four decades, Dr. La Grotta eagerly embraces Arizona as his new home. He looks forward to immersing himself in the beauty of the state, connecting with its vibrant communities, and indulging in the rich gastronomy that Arizona has to offer.

Born in the small rural ski resort town of Show Low, Arizona, Cristal Sumerlin is a dedicated Physician Assistant specializing in Internal Medicine. With a strong passion for patient care and a desire to play an active role in their treatment and well-being, she chose the professional career path of a Physician Assistant after working as an X-Ray Technician. Cristal fell in love with medicine and recognized the need to further her education to better serve her patients and the community.

Cristal takes great pride in both her personal and professional accomplishments. As a mother and military spouse, she has successfully balanced the demands of family life while pursuing her professional goals. Her commitment to her patients and dedication to her work make her a source of pride and inspiration.

In the field of Internal Medicine, Cristal's strengths lie in managing complex disease processes such as diabetes. Her previous experience as an orthopedic technician and x-ray tech in an orthopedic practice has also honed her skills in orthopedics. She finds fulfillment in working with patients facing orthopedic conditions and providing comprehensive care.

Beyond her career, Cristal enjoys spending time outdoors and engaging in activities such as camping, hiking, and traveling. She cherishes these moments with her friends and family, as they provide a source of rejuvenation and happiness outside of her job.

With her unwavering dedication, clinical expertise, and compassionate approach, Cristal Sumerlin is an invaluable asset to Dr. Richard Lam's office. She strives to make a positive impact on her patients' lives and is committed to providing comprehensive and personalized care to improve their overall well-being.

Dr. Gardner Tarlow is a board certified family physician, who has provided advanced health care and prevention to patients in his native Orange County, California for over a decade. Located in Anaheim, Dr. Tarlow offers a wide range of services to patients of every age, from adolescents to seniors.

In addition to routine physicals and wellness exams for children, men, women, seniors, and athletes, Dr Tarlow is an avid athlete and an expert in sports medicine. In the past, Dr. Tarlow has served as team physician and sports consultant for the Savanna High School Football team in Anaheim. Dr. Tarlow has also served as a sports consultant and periodic columnist for Dirt Rider Magazine. In treating elite athletes and weekend warriors alike, Dr. Tarlow offers traditional and advanced alternative care treatment options. Dr. Tarlow has extensive knowledge and medical resources to help optimize each patient's recovery from injury, be it age-related or sports trauma.

Dr. Tarlow grew up in Orange County, earned his undergraduate degree in business from Chapman University and worked in Orange County as a financial consultant before returning to school to earn his medical degree from Ross University School of Medicine, New York. Following medical school, Dr. Tarlow completed an internship and residency in family medicine at Sparrow Hospital/Michigan State University. He has been in private practice in Orange County since 2000 after joining his father and General Surgeon, Herbet Tarlow, MD. Tarlow Medical has been in the same Anaheim location since 1966 and remains committed to serving Anaheim residents and surrounding cities.

Dr. Tarlow’s affiliations include St. Jude Medical Center, American Board of Family Medicine, American Academy of Family Practice, American College of Sports Medicine and  American College of Sclerotherapeutic Pain Management.

When not treating patients, Dr. Tarlow enjoys motocross, surfing, skiing, mountain biking, and spending time with his wife and children.

Daniel Headrick, MD, is the medical director and owner of Tres Vistas Recovery in San Juan Capistrano, California. Before opening Tres Vistas Recovery, Dr. Headrick served for eight years as the medical director at Mission Hospital in Laguna Beach, California, and eleven years as the Medical Director of Hoag Hospital’s Chemical Dependency Center in Newport Beach, California.

Dr. Headrick — known by his patients as Dr. Dan — received his medical degree from the University of California, Los Angeles Medical School. He received his postgraduate certification from the American Society of Addiction Medicine in 1988 and became an associate professor at the University of California, Irvine Medical School. Dr. Dan continues his training and research in chemical dependency to stay abreast of current techniques and apply them in his work.

Dr. Dan dedicates much of his time to the care and treatment of his clients, overseesoverseeing their stabilization to make sure that they have a sound transition into treatment and recovery. He cares for each of his clients individually as they go through withdrawal from alcohol and other substances. To schedule an appointment with Dr. Dan and his team, call Tres Vistas Recovery or book online today.

Dr. Kiet A Ton is a Family Medicine certified Board in Westminster, California. He graduated with honors in 2003. Having more than 21 years of diverse experiences, especially in FAMILY MEDICINE, HOSPITALIST, HOSPICE, HOME HEALTH, AND NURSING HOMES. Dr. Kiet A Ton affiliates with many hospitals including UCIrvine Fountain Valley Hospital, Orange Coast Memorial Medical Center, Hoag Irvine & Newport Beach cooperates with many other doctors and specialists. Call Dr. Kiet A Ton office on phone number (714) 895-8583 or (714)206-3618 for more information and advice or to book an appointment.

Dr. Brittany Glenn, D.O., is a board-certified emergency medicine physician bringing over ten years of experience caring for patients in emergency rooms to Cali Quick Urgent Care, serving people of all ages in Laguna Niguel, California, and southern Orange County.

Dr. Glenn grew up in Shaker Heights, Ohio and began her collegiate pursuits at Miami University in Oxford, Ohio, earning her Bachelor of Arts in psychology. She subsequently obtained a Master of Arts in bioethics at Case Western Reserve University in Cleveland, Ohio. After receiving her master’s degree, Dr. Glenn earned her medical degree at Ohio University in Athens, Ohio.

Dr. Glenn completed an extensive four-year emergency medicine residency at the University of Pittsburgh Medical Center (UPMC) Hamot in Erie, Pennsylvania. Dr. Glenn has since served at various medical facilities and hospitals in Cleveland, Ohio and southern California. She’s board-certified in emergency medicine from the American Osteopathic Board of Emergency Medicine (ABOEM). She holds basic life support (BLS) and advanced cardiovascular life support (ACLS) certification from the American Heart Association.

Outside the office, Dr. Glenn enjoys spending time with her family. She co-founded and operates the urgent care and CQ Med Gym with her husband and is a mother of three young children under the age of 11. Her children were the inspiration for Cali Kids Urgent Care. Dr. Glenn welcomes anyone needing urgent or acute care to Cali Quick Care & Cali Kids Urgent Care to be treated like family, friends, and neighbors.

Ella graduated in June 2025 from the University of California, Irvine with a Bachelor of Arts in Psychological Sciences. With an interest in both therapy and administrative work, she was drawn to Mind Health Institute, Orange County. Ella is excited to make connections with patients and give them the best possible experiences at Mind Health Institute, Orange County.

Ella graduated in June 2025 from the University of California, Irvine with a Bachelor of Arts in Psychological Sciences. With an interest in both therapy and administrative work, she was drawn to Mind Health Institute, Orange County. Ella is excited to make connections with patients and give them the best possible experiences at Mind Health Institute, Orange County.

Dr. Kiet A Ton is a Family Medicine certified Board in Westminster, California. He graduated with honors in 2003. Having more than 21 years of diverse experiences, especially in FAMILY MEDICINE, HOSPITALIST, HOSPICE, HOME HEALTH, AND NURSING HOMES. Dr. Kiet A Ton affiliates with many hospitals including UCIrvine Fountain Valley Hospital, Orange Coast Memorial Medical Center, Hoag Irvine & Newport Beach cooperates with many other doctors and specialists. Call Dr. Kiet A Ton office on phone number (714) 895-8583 or (714)206-3618 for more information and advice or to book an appointment.