Chapters Capistrano Rehab Center Staff

Chapters Staff has over 200 years of Combined Experience and Clinical Excellence in the Addiction Treatment Field. Below you can find our full time staff.

Dr. Sharon Stafford, PhD – Therapist

Dr. Stafford is a clinical psychologist with years of experience with child, adolescent, and adult populations. She obtained her BA from USC, her MA from Notre Dame and her PhD from CSPP San Diego. She has worked as a program director for inpatient child psychiatry, a clinical director for a dual diagnosis treatment center, and in the ER, cardiology, and inpatient/outpatient psychiatry in hospital settings. She has also worked as a research coordinator in the area of chronic pain. As clinical supervisor Dr. Stafford provides program oversight, clinical supervision and facilitates groups and individual sessions as well as provides patient education at Chapters Capistrano.
Sharon Stafford

Dr. David Deyhimy – Psychiatrist & Detox Specialist

Dr. David Deyhimy is an Orange County physician board-certified in both anesthesiology and addiction medicine. With over 20 years of combined practice experience, he splits his time actively practicing in both medical specialties. Dr. Deyhimy graduated from the University of Nevada School of Medicine in 2001. The following year, he began his residency in anesthesiology at the University of California Davis Medical Center, becoming chief resident in 2004 followed by a Cardiovascular and Thoracic anesthesiology fellowship in 2005-2006. During this period, he was the recipient of UC Davis Medical Center House Staff Professionalism Award 2005, California Society of Anesthesiology Resident Research Competition winner 2005 and Outstanding Resident Teaching Award in 2006. Since 2007 he has practiced anesthesiology at Saddleback Memorial Medical Center. His commitment to addiction medicine was a direct outgrowth of his work in anesthesiology where the complex interactions of disease, surgery and drugs are often literally the difference between life and death.
Dr. David Deyhimy

Shauna Forsythe – Therapist

Shauna obtained her BA in psychology from The City College of New York as well as her M.A in Marriage and Family Therapy from the University of San Diego. Shauna has experience in group and family sessions as well as individual care. She utilizes a wide range of approaches through CBT, EFT and solution focused therapy. Her empathetic and motivational approach provides her patients with a strong sense of guidance and genuine care throughout their journey to sobriety.
Shauna Forsythe

Sandra Thomas – Case Manager

Sandi graduated from Cypress college with an Associate Degree in Human Services and a certificate in Alcohol and Drug Studies. Sandi is both certified in CAADE and CCAPP as a level II Counselor. She has worked in the field of addiction and counseling since 2008 with experience in facilitating and leading groups utilizing self-awareness, evidence-based material and processing, and solution focused discussion. Her warm and compassionate spirit combined with her tenacity in the field provides clients with a sense of support and community.
Sandi Thomas

Jennifer Knowles – Charge Nurse LVN

Jenny has been a nurse for over twenty years, providing quality care for individuals of all ages and demographics. She has worked in the areas of Surgery, Emergency Room, Pediatrics, Geriatrics, Utilization Review, Eating Disorder, and Behavioral Health/Substance Abuse. The last seven years Jenny has dedicated her focus to Behavioral Health and Substance Abuse. She has a passion to help individuals struggling with mental health issues, past trauma, self-inflicting behaviors, and substance abuse issues. Jenny finds it very rewarding to see the transformation that takes place in individuals suffering from substance abuse and addiction during their rehabilitation treatment.
There is a tremendous amount of growth and change that takes place starting from the clients’ initial detox phase, where the individual feels they can no longer go on or even survive, to the end of their treatment program where the individual leaves with the tools and fundamentals to achieve their sobriety and to maintain a healthy lifestyle that suits their individual needs. Jenny is an advocate of making positive lifestyle choices to maintain a holistic approach to wellness. She enjoys nutrition, massage, meditation, running, mountain biking, hiking, body building, Pilates, kayaking, and paddle boarding. Her other interests include spending time with her family and her two amazing sons, reading, dance, sports, movies and travel.
Jennifer Knowles

Shelby Hickey, B.A. – LVN

Shelby is a Licensed Vocational Nurse who embodies compassion and strives to provide the best possible care for clients. She received a Bachelor’s Degree in Liberal Studies at San Francisco State University where she soon discovered her passion for nursing after volunteering at a local hospital. After returning to Orange County, she decided to pursue a career in nursing at Stanbridge College. Shelby has experience in various areas of nursing including geriatrics, school nursing, mental health, and addiction. Throughout the recovery process, she ensures that clients are in optimal health and is very supportive in assisting with any medical concerns. She is committed to promoting wellness education, and advocating healthcare needs. Shelby is very grateful to be involved in a client’s journey to sobriety as they continue to take steps into a healthy lifestyle.
Shelby Hickey

Usiel Gutierrez – LVN

Usiel has worked in the medical field for 6 years in the areas of Home Health, Geriatrics, Tetraplegia, Hemodialysis and Behavioral Health/Substance Abuse. For the past two years, he has devoted his time and efforts to Behavioral Health/Substance Abuse. Usiel loves to help others and this field allows him do so on a daily basis. He believes the best feeling is knowing you can make a difference in someone else’s life for the better. Seeing clients transition to sobriety and regain control of their lives is one of the key factors in choosing to enter this field. In his free time, Usiel loves to write short stories, bake and spend time with his family.
Usiel Gutierrez

Kimberly Prosser – LVN

Kim is a highly motivated and passionate professional. She has been nursing for nearly 10 years. She has a family history of substance abuse and mental health issues, so she enjoys working with our clients to overcome their personal obstacles. She has compassion for our clients because she can identify with them having had the personal experience with her own parents and their sobriety. She is dedicated to educating our clients on our protocol and palliative care for withdrawal symptoms that are available to keep them as comfortable as possible while going through the detox process and beyond. She believes in the holistic approach our company takes in the healing process and enjoys being an integral part of the team. Kim has been married for 12 years and is a mother of 3.
Kim Prosser

Liz Post – Massage Therapist

Liz has been a massage therapist since 2005 emphasizing the importance of relaxation and self-care. Liz studied at the Dr. Vodder School and especially enjoys utilizing her extensive knowledge of anatomy and physiology to determine the client’s specific needs. Liz is well versed in an array of techniques including, sports specific massage, Swedish and deep tissue, as well as Manual Lymph Drainage to increase the flow through the lymphatic system and rid the body of toxins.
Liz Post

Edmund Erickson – Acupuncture Specialist

Edmund is a California Licensed Acupuncturist/Herbalist and has over 16 years of clinical experience. He uses the following treatment methods in clinic: traditional Chinese acupuncture, traditional Japanese meridian therapy, and the balance method. He treats such things as: detoxification, addiction, pain of any kind (physical or emotional), weak digestion, stress, anxiety, sleep problems, fatigue, and mind-body disconnection. Edmund is Nationally Certified as a Diplomat in Acupuncture by the NCCAOM. He holds a BA from the University of Wisconsin and a Master of Science Degree in Traditional Oriental Medicine from the Pacific College of Oriental Medicine in San Diego, California.

Manuel Perez – Director of Operations

Manuel Perez has extensive background helping clients in the medical field and healthcare industry. He got his associates certification in clinical research in 2005 and also got certified as a medical assistant and an E.M.T.

He did his internship at Costal Community hospital of Tustin and has also done numerous clinical research studies for big pharmaceutical companies helping patients find medication to help deal with Mental illness, Autism, PTSD, Bipolar, Depression. He has been working in treatment since 2012 and has helped over3000 clients fight their addiction and begin their journey in sobriety. He takes a lot of pride and is passionate about making a difference in peoples life’s.

Manuel Perez

Find Out How You Can Stay at a Luxurious Rehab Facility with Little to No Out of Pocket Expenses

We will work with your health insurance provider so that you can enjoy treatment, and all you have to do is verify your insurance with us.