Meet Our Team

Dr. Michael DeYoung, M.D. and Co-Founder

Dr. Michael DeYoung, M.D. was born and raised in Peoria, Illinois. He attended the University of Illinois, graduating in 1968. After graduation, Dr. DeYoung joined the Peace Corps working in the potable water project in Thailand for two years before attending medical school at Georgetown University. He graduated from medical school in 1974 and moved to sunny Southern California to begin a three-year residency of internal medicine at Cedars-Sinai in Los Angeles. In 1978, he then completed a second residency in emergency medicine at Los Angeles County/University of Southern California.

Dr. DeYoung is a Fellow of the American College of Emergency Medicine. During his extensive career he worked full time in emergency medicine until later retiring in 2017. In 43 years of Emergency Medicine, Dr. DeYoung can say he’s seen just about everything as it relates to patient care.

Today, Dr. DeYoung is the Medical Director for LaSara Medical Group in Tustin, California. He has found his second career in men’s sexual health to be exciting and rewarding. His detailed approach to medicine helps provide his patients a comprehensive approach to treating their medical conditions.

Dr. Irving Malis, M.D. F.A.C.S., Board Certified Urologist

Dr. Irving Malis, M.D. was born and raised in Los Angeles, California. He attended the University of Southern California as an undergraduate and the University of California, Irvine where he completed his degree in medicine in 1963. After graduation, he interned at the Los Angeles County Hospital, completed his surgical residency at the Veterans Administration Hospital in Montinez, California, and completed his urology residency at the Kaiser Foundation Hospital in Los Angeles, California.

As a Board Certified Urologist, Dr. Malis opened up his own private practice in 1968 and later semi-retired in 1995. Since his semi-retirement, he’s worked as a physician for the Free Clinic and became an adjunct professor of medicine at the Keck School of Medicine at the University of Southern California, Los Angeles.

Today, Dr. Malis is helping lead the charge with LaSara Medical Group’s patients and given his extensive experience in his own Urology practice, he offers a wealth of information and perspective for our patients.

Dr. Howard Taekman, M.D.

Dr. Howard Taekman, M.D., F.A.C.S., was born and raised in Chicago, Illinois. He attended medical school in his home town of Chicago before interning at George Washington University Hospital. Upon completing his internship, he started his general surgery training at Boston City Hospital. He later spent two years in the US Navy as the Chief of Surgery for the test pilot school of Patuxent River Naval Station. In 1973, he left the Navy and started his own private practice of general surgery which he eventually retired from after 35 years of patient care. Over the last 22 years he has been the Medical Director of the Level II Trauma Center for Contra Costa and Solano Counties. In the last four years, Dr. Taekman has been sharing his knowledge as a clinical instructor at University of Southern California’s Kech School of Medicine.

Today, Dr. Taekman is the Medical Director of LaSara Medical Group in Los Angeles, California. He finds our low intensity focused shockwave treatment to be an exciting modality for men’s sexual health and an amazing option for men looking to achieve a normal and spontaneous sex life.

John M. Snedegar, Co-Founder & Clinical Director

John partnered with Dr. DeYoung in 2017 to start LaSara Medical Group. He is overly passionate about the work that LaSara is doing for the men of Southern California. He takes great pride in seeing the positive impact of how a man’s restored sexual ability can create positive change in all aspects of their lives. He is committed to ensuring a professional and world class experience for each patient from the moment they walk through LaSara’s doors. As the Clinical Director, he guarantees that each patient will be met with integrity and honesty about all that is offered by LaSara.

John is a California native who is an avid outdoor and water man. He enjoys surfing, hiking with his dog, and spending time with his friends and family around good food and wine.

Yeon Lee, Registered Nurse

Yeon has been a key member of our team since the inception of LaSara Medical Group. He has over a decade of experience as a Registered Nurse ranging from his activate duty in the United States Air Force, to surgical rooms, to being the primary treatment provider for LaSara Medical Group’s patients in Tustin. With the support of all the clinical and research data around the world, he has played a vital role in helping our doctor’s refine LaSara’s shockwave treatment protocol for Erectile Dysfunction. He takes great pride in supporting our patients on their path to restored confidence and sexual ability.

Outside of work, Yeon loves spending time with his family, watching movies, staying fit, and exploring the great restaurants of Orange County.

Edwin Lopez, Medical Assistant & Phlebotomist

Edwin has spent more than 20 years in the medical field with experience in multi surgical specialties, oncology, dermatology, rheumatology, orthopedics, urology, men’s sexual health, and shockwave therapy for plantar fasciitus. He is a compassionate and enthusiastic medical professional who manages LaSara’s patient treatments in Los Angeles.

Edwin is a proud father of a son who is following in his fathers footsteps to pursue a career in medicine. Edwin enjoys the outdoors and hiking.

Joon Im, Medical Assistant

Joon is one of LaSara Medical Group’s primary treatment providers in Tustin. His medical experience began with 8 years as a Corpsman for the United States Navy. He’s worked in family practice, labor and delivery, and as a field medic for the Marines. At LaSara, you can always hear Joon and his patients laughing in the treatment room as they share fun and entertaining stories about their own lives.

Joon is currently studying computer science at Norco College with the goal of completing his education at the University of Southern California. In his free time, he enjoys snowboarding, playing guitar, working out, and going to movies.

Dale Johnson, Counselor

Dale is LaSara Medical Group’s jack of all trades. He was born and raised in Ohio and after attending the University of Toledo he made the move to California in 1983. He has become an expert in understanding the differences of treatment for Erectile Dysfunction in order to help educate our patients on how they can overcome their ED. He is one of the biggest advocates for shockwave therapy and loves hearing the positive feedback from our patients.

Scott Vanderhoof, Counselor

Scott is a Chicago native who grew up in the western suburb of Naperville. After graduating with an Economics degree from Western Illinois University, he moved to Southern California in 2003. Scott is a proud father! He and his recently married wife welcomed their first child into the world in May of 2018.

Scott is a passionate advocate for men’s health initiatives and specifically, Focused Shockwave Therapy, as he’s seen the wonderful results LaSara’s treatment produces.  He is a dedicated professional who takes great pleasure in utilizing his expertise to provide solutions to our patients for all their sexual health concerns.

Do not waste time, call us at 866.896.2395 or Schedule Your Appointment Today!

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Tustin Office

Los Angeles Office

LaSara Medical Group
Orange County

14642 Newport Ave, Suite 250
Tustin, CA 92780
Directions to OC Office

Tustin, Orange County
Office phone: 949-520-1551

LaSara Medical Group
Los Angeles

11500 W Olympic Blvd, Suite 440
Los Angeles, CA 90064
Directions to LA Office

Los Angeles, Los Angeles County
Office phone: 424-343-8998

(866) 896-2395

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