Hillside Horizon for Teens Offers

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Take Back Your Life Today!

Our Mission

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Hillside Horizon for Teens strives to rewrite the stories of teens and their families, fostering healthy relationships, identifying root causes, and providing meaningful change in the home and community. As a boutique-style, family-owned and operated treatment center,
we offer a personalized, compassionate approach to care. Our mission is to help families rediscover balance, stability, and
peace of mind through expert support in a safe, nurturing environment where healing and growth can thrive.

TREATMENT

What We Treat?

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Teen mental health treatment: Smiling teens in group hug. Happy friends support each other. Positive mental health for adolescents.

Our Approach to Therapy

At Hillside Horizon for Teens, our approach to therapy is all about you. We understand that every teen is unique, and so are their experiences and challenges. Our therapeutic philosophy is rooted in a personalized and holistic perspective, tailoring our methods to match each individual’s needs. We blend diverse approaches, from evidence-based practices to creative and expressive therapies, to provide a comprehensive and engaging therapeutic experience.

Our Team

Anthony Fletcher

CEO
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Felicia Conover

Felicia Conover
Newhome agent Jessica Flores, a real estate professional, smiling in a headshot with dark hair and a black company shirt.

Jessica Flores

Director of Outreach
Newhome: Portrait of Taylor Thomas, a smiling woman with blonde highlighted hair and a black top.

Taylor Thomas

Program Director
OUR PROCESS

How the Process Works

Hillside Horizon for Teens for Teens is able to work with most major PPO plans and some HMO plans on a case-by-case basis. We are also proud to be able to work with the Inland Empire Health Plan or IEHP. Our admissions process is streamlined and designed to remove barriers and ease anxiety.

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1. Initial Call

1. Initial Call

When you make your initial call, one of our dedicated staff members will answer any questions you have, discuss our program, and your child’s unique needs.

2. Verification of Benefits

2. Verification of Benefits

If you will be utilizing insurance for your child treatment, we will collect the necessary information and complete a benefit verification. This will give us a clear picture of what is covered and what you may owe, if anything. We never want cost to be an obstacle, that is why we have payment plans and financial hardship applications available to families who need them.

3. Assessment

3. Assessment

One of the most important steps in the admissions process is the assessment. This is where our clinical team will get to know your child’s treatment history, symptoms, and other important details that give us a better understanding of them. The clinical assessment helps us determine if your child is an appropriate fit for us. In the event we are not the appropriate fit, we will provide you with vetted referrals that we know and trust.

4. Admittance

4. Admittance

Once approved for our program, we will schedule an admission date and send you over a welcome packet. This packet will contain important dinformation, support group details and information on what to expect and bring.

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Our Happy Clients

Hillside Horizon for Teens FAQ's

The Answers to Your Questions

Hillside Horizon for Teens

Reaching out for help is a courageous step, and Hillside Horizon for Teens in California is here to guide adolescents toward recovery from a variety of different mental health challenges. Our compassionate team offers personalized, evidence-based care in a supportive residential setting, incorporating holistic approaches like yoga, art therapy, and equine therapy to address your teen’s unique needs and foster long-term resilience and wellness.

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Don’t wait – contact us today at (951) 899-0992 or visit our Contact Us page to schedule a confidential consultation and begin your family’s journey to a healthier, happier future.

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Providing quality, ethical services for the treatment of alcoholism, addiction, and mental health.

© 2025 Hillside Horizon for Teens. All Rights Reserved.

Katherina M Hillside

Katherine Mendoza

Licensed Vocational Nurse LVN

I began my professional journey in the United States Navy as a Nuclear Engineer where I developed a strong sense of discipline, leadership, and service. Driven by a desire to continue making a meaningful impact, I transitioned into nursing, focusing on providing compassionate care to those in need. Over time, my passion for supporting others led to specialize in mental health, recognizing the vital role it plays in overall well-being. At Hillside Horizon for Teens, I dedicate myself to helping adolescents navigate life’s challenges and build healthier futures. My commitment to fostering growth, resilience, and healing continues to be the cornerstone of my career.

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Aaron Earnest

Admissions Manager

Aaron has been working in the mental health field for over 13 years and has a passion for helping people. Previously he worked with adults for a long time and then realized he may have a greater impact with teens and made the switch a little while ago. He understands the importance of being families first voice they hear at Hillsidie Horizon and takes that role very seriously. Driven by his own issues as a kid, Aaron understands the importance of getting help and how tough the decision can be for families.

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Justin Collins

Program Director

Justin is a seasoned mental health professional with over 15 years of experience empowering adolescents through innovative behavioral health and sports programs. He began his career in Los Angeles as a CIF coach for underprivileged youth, helping lead his team to a CIF football runner-up title. In Murrieta, he took on leadership roles at Oak Grove/Jack Weaver, where he oversaw STRTP and Advanced Autism School Day Programs, managed 20+ staff, and trained teams as a certified CPI instructor. He later held key roles in the Palm Springs Unified School District. Now serving as Program Director at Hillside Horizon, Justin is known for his visionary leadership, commitment to quality care, and passion for transforming young lives.

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Victor Hamaker

Program Director

With a strong commitment to supporting individuals with special needs, and at risk youth, I have built a career dedicated to advocacy and behavioral health. My journey began as a Direct Support Professional (DSP) in group homes and for the local school district for both adults and adolescents with special needs, behavioral challenges, and at-risk youth. I then transitioned into behavioral health, serving as a Behavioral Health Technician (BHT) at Hillside Horizon, where I worked closely with at-risk youth and individuals with complex behavioral needs. I later advanced to Lead BHT and then Operations Manager. Currently, as the Program Director at Hillside Horizon, I oversee program development, staff training, and client care, ensuring high-quality services for individuals with behavioral and developmental challenges. Additionally, I support the local school district as a special needs advocate, working to enhance resources and support for students and families.

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Jessica Flores

Director of Outreach

Driven from my own personal experience, I have found purpose in what I do in the Behavioral Health field. I started working in the industry over ten years ago as a driver and a tech. I have worked multiple roles and understand the complexities of all levels of care and positions. I continued my education and completed my Alcohol and Drug Counseling Certification from Saddleback College and received my bachelor’s degree in Community Advocacy and Social Policy from Arizona State University last May. I am currently the Director of Outreach at Hillside Horizon for Teens. From answering questions about the program to connecting families with resources, I enjoy being apart of our clients journey to healing!

Dr. Arlene Waldron

Clinical Director PsyD, LMFT

Dr. Arlene Waldron is a licensed Marriage and Family Therapist (LMFT) and our Clinical Director with over fifteen years of experience serving adolescents, children, and families. She holds a Doctor of Psychology (PsyD) and has led residential, school-based, and community mental health programs with a strong focus on quality care and program development. Dr. Waldron works closely with multidisciplinary teams and community partners to deliver trauma-informed, effective services. A fluent Spanish speaker and motivational leader, Dr. Waldron is deeply committed to the growth and well-being of individuals and families. She believes strong programs create meaningful change and leads Hillside Horizon’s Clinical program with a focus on excellence, accountability, and compassionate care.