Medical Team

Steven Karp, DO, FACN

Medical Director
Eating Disorder PHP/IOP Programs, Santa Monica and Westlake Village

Dr. Steven Karp is a leading expert in eating disorder treatment and is proud to join La Ventana Treatment Programs as Medical Director. He graduated Cum Laude from Delaware Valley College of Science and Agriculture, then obtained his medical degree at Philadelphia College of Osteopathic Medicine. Dr. Karp spent 10 years directing psychiatry and medical treatment at Rosewood Centers for Eating Disorders in Wickenburg, Arizona. Dr. Karp is a true thought leader in the field and holds of sub-specialty in Addiction Psychiatry through the American Board of Psychiatry and Neurology.

Carol Kiriakos, M.D.

Medical Director
Substance Abuse Programs

A board certified psychiatrist with over a decade of experience, Dr. Carol Kiriakos is best known to her clients as, “Dr. K.” A warm, passionate, and approachable expert in the field of recovery in various aspects, Dr. Kiriakos comes from a long line of “shrinks.” Her family legacy runs deep in Los Angeles. Her Father is a psychoanalyst, addiction specialist, geriatric specialist and also works with the eating disorder population. Her brother is a cognitive behavioral specialist and works primarily in helping people work through their phobias and anxieties. With this lineage, it is not surprising that Dr. K believes that client-centered work within a multidisciplinary team helps people and benefits the community.

Dr. Kiriakos’ passion lies in working with individuals who struggle with disordered eating, eating disorders, and addiction. She is regarded as a psychiatric expert in addiction, eating disorders, and dual diagnosis in the Los Angeles area and has held roles as Medical Director and Psychiatrist roles within the field. Dr. Kiriakos completed her B.A. in Psychology from the University of California, Los Angeles and went on to earn her M.D. at the Pennsylvania State College of Medicine.

Prior to entering the field of psychiatry, Dr. Kiriakos worked as a Physician Utilization Reviewer for 30 insurance companies throughout the U.S. for 5 years. In her work, she made determinations regarding medical necessity on behalf of insurance companies using approved clinical criteria. Her clinical opinion was sought regarding levels of care, frequency of services, types of care and other modalities of treatment.

In addition to her work in day treatment centers for eating disorders and substance abuse, she has held a private practice psychiatrist in Beverly Hills for over 10 years doing both medication management and therapy covering a wide ranges of diagnoses: addiction, depression, Bipolar Disorder, PTSD, generalized anxiety, Panic Disorder, ADHD, women’s health issues and eating disorders.

Rick Campa
Rick Campa, M.D.

Medical Director
Residential Eating Disorder Programs, Thousand Oaks

Rick S. Campa, M.D., is a graduate of Temple University School of Medicine in Philadelphia, PA. He trained in family medicine and served as chief resident at the Reading Hospital in Reading, PA. Dr. Campa has been practicing since 2013 in the field of family and addiction medicine. His practice specializes in the detox from chemical dependencies and care of eating disorders. Dr. Campa received the Exceptional Teacher Award and Exceptional Role Model Award during his year as chief resident at the Reading Hospital. He is board certified in family medicine and is a licensed physician in the state of CA.

Dr. Manju Sharma-Beatty

Medical Director
Dr. Manju Sharma-Beatty received her medical degree from Ross University School of Medicine in the Commonwealth of Dominica, West Indies in 2001. In 2005, she went on to study psychiatry at the State University of New York at Buffalo Medical Center. Dr. Beatty has given presentations highlighting topics such as personality disorders in hospitalized patients, the role of genetics in Psychiatry, sexual side-effects of antidepressants and has contributed to the publication “Role of Antidepressants and Psychotropics in Sex Therapy”.

Dr. Beatty worked as Assistant Clinical Instructor for 3 years teaching and supervising medical students and interns all while developing communication skills protocol. Dr. Beatty has a special interest in Pharmacotherapy during perinatal and postnatal period of pregnancy.

Marjorie Summer Gies, M.D., Ph.D.

Residential Eating Disorder Programs, Santa Barbara

Marjorie graduated Magna Cum Laude in Psychology from Princeton University for her undergraduate studies. She received her M.D. from the College of Physicians and Surgeons, Columbia University. She completed her residency at UCLA in psychiatry and was the Academic Chief Resident as well as the Chief Resident of the UCLA – NPI Adult Outpatient Eating Disorders Program. Dr. Gies started her Santa Barbara private practice in April of 1993. She earned her Ph.D. in psychoanalysis from ICP-LA in 1/99. She was the medical director of Cottage Hospital’s eating disorder program from 1/95 – 1/97. She has been La Ventana’s PHP and IOP medical director since 2013.

Doctor David Hernandez
David Hernandez, M.D.

Medical Director
Residential Eating Disorder Programs, Santa Barbara

Dr. David Hernandez is the Medical Director of the La Ventana Treatment Programs’ Residential Facility for Eating Disorder treatment in Santa Barbara. He brings to La Ventana a dedicated compassion combined with excellent personal client skills and emotional intelligence needed to help our clients recovery from their eating disorder disease.

Dr. Hernandez takes the medial lead at La Ventana with his philosophy that encompasses a belief that it is not enough to simply treat the body, but the mind and the spirit must also heal before a person has truly recovered from an eating disorder.
To accomplish this he spends a great deal of time listening to and learning about each person to provide treatment in conjunction with La Ventana’s therapeutic and nursing staff that is unique to each individual in our program.

He is board certified and has been working in medical treatment for Eating Disorders in Santa Barbara and surrounding areas for many years. He was the former Director of Student Health at Westmont College for the past nineteen years and has been a medical consultant for several treatment facilities in Southern California.

He received his M.D at the University of California, Irvine after attending Furman University and graduating from California State University Fullerton studying the physical sciences and psychology. He completed his residency in Pediatrics followed by a fellowship at Children’s Hospital of Los Angeles.

Dr. Hernandez became interested in eating disorders when he noted the significant impact these disorders were having on the health and well being of the college students under his care at Westmont College. His work has broadened in the field of eating disorders as Medical Director of the La Ventana Residential Facility along with helping professionals in the Santa Barbara community care for their clients struggling with an eating disorder.

Doctor David Hernandez
Vicki Berkus, M.D., Ph.D., CEDS

Medical Director
Substance Abuse and Mental Health PHP/IOP, Santa Monica
Mental Health PHP/IOP, Thousand Oaks
Eating Disorders and Mental Health, PHP/IOP, Santa Barbara

Vicki Berkus, MD, PhD, CEDS specializes in adolescent and adult psychiatry, eating disorders full spectrum, and sports psychiatry. Dr. Berkus has also served as president of the International Association of Eating Disorders Professionals (iaedp), holds eating disorders certification (CEDS) through iaedp, and is a current board member and head of the iaedp education committee. She is active in promoting certification and education in the field of eating disorders for professionals. Her memberships include the Academy for Eating Disorders (AED), The American Society of Addiction Medicine (ASAM), The American Society of Bariatric Medicine (ASBP) and the International Society for Sports Psychiatry (ISSP). Dr. Berkus has authored numerous articles, as well as the highly acclaimed book 10 Commitments to Mental Fitness.

Nursing Team


Julie Fleming, RN, DON

Director of Nursing
Residential Eating Disorder Programs

“I love being a part of the ED medical team and feel privileged to support this community. The La Ventana medical team philosophy is to treat the whole person, not just the eating disorder, so each treatment plan is individualized. I really feel like I’m making a difference. It’s an empowering feeling to watch the clients grow and heal inside and out.”

A native of Ventura County since moving here at the age of 9, Julie graduated from Ventura College School of Nursing and has over 25 years of nursing experience. Working in fields such as cardiology, neurology, rheumatology, orthopedics, dermatology, OB/GYN, internal medicine, and urgent care has given her a wide base of knowledge which she brings to La Ventana and her clients.

Corinne Zemliak, LVN

Charge Nurse
Residential Eating Disorder Programs

Corinne Zemliak has worked in the medical field since 1998, and as an LVN since 2007.  She has worked in various specialties, including cardiology, urgent care, orthopedics, urology, primary care, and pediatrics. At La Ventana she can apply all of the knowledge she has learned over the years to take care of our clients as a whole. She thinks it is amazing and rewarding participating as a member of the La Ventana clients treatment team and watches clients thrive in the La Ventana environment. She is a mom of 5 kids who range in age from 19 to 6 months old.

La Ventana Treatment Centers