Our Team2019-03-20T10:51:10+00:00

Our Team

Leadership Staff

Ryan Winberry


Bio coming soon!


Kim Homan-Martinez

Program Director

Kim has been working in the addiction field since 2005 in both clinical and administrative capacities. She served as Program Director at a prominent substance abuse facility for 5 years and worked for a large prestigious Behavioral Health organization for 4 years where she served as Regional Director.

She completed her undergraduate then went on to receive a Master’s degree in Marriage and Family Therapy from California Baptist University. She is a Licensed Addiction Counselor with CCAPP.

Kim likes to emphasize person-centered and strengths-based approach to her therapeutic modalities. Kim’s personal experiences and strong passion has helped many individuals and families overcome the various obstacles of addiction. Kim’s other passions include spending time with her family and traveling all over the world.

Medical Staff

Dr. Martin


Dr. Martin is our MD on site who works with Opus patients 40+ hours per week. After spending 15 years as an Emergency Room Physician, he followed his passion for addiction medicine to help individuals recover from opioid addiction. He specializes in detox, Medication-Supported Treatment (MAT), and psychiatric stabilization.

Born and raised in Portland, Oregon, Doctor Martin went on to Graduate from Portland State University. He went to the American University of the Caribbean, then did his resident training in Philadelphia with Temple University.

He moved to Los Angeles, where he spent 15 years working as an emergency room physician. There he treated many addiction-related illnesses. After seeing firsthand the tragedies resulting from the Opioid crisis, Dr. Martin changed his focus to addiction medicine.

Today, Dr. Martin is passionately dedicated to getting patients on the path to solid and long-term recovery.

Christina Brown

Lead Nurse

With over 20 years of experience working in healthcare, Christina serves as Opus Health’s Lead Charge Nurse. Christina has worked in a wide variety of healthcare settings including Men’s/Women’s Health, Geriatrics, Family Practice, Urgent Care, Administration, and Substance Abuse Treatment/Recovery.

Her genuine passion for rehabilitation and serving as a patient advocate makes her an invaluable asset to our team. At Opus, she skillfully bridges her clinical bedside nursing skills with her administrative experience to oversee and deliver safe and quality patient-centered care to our clients.

Christina is known amongst her peers and patients for her unsurmountable compassion, ability to develop strong rapport, sense of humor, and non-judgmental attitude. Her professionalism, leadership, critical thinking skills and desire to meet & exceed the needs of her clients enriches the care delivered here at Opus Health.


Sarah Ross

Licensed Vocational Nurse

Sarah Ross, a Licensed Vocational Nurse, received her degree from Pacific College in 2013. Sarah began her nursing career in the mental health setting at College Hospital Costa Mesa, where she worked with both adults and adolescents struggling with chemical dependency, trauma, abuse, interpersonal relationships and grief. Sarah has dedicated herself to working with others and aiding them on their path to recovery.

Business & Outreach