Meet Your Provider


The talent, grace, attention to detail and sheer determination of every Solstice Southwest team member will not only surprise you, but help you find ease. Creating a team that is committed to do their own personal work (self-care including family, creative expression, rest, therapy and spiritual ties to mention a few) is fundamental to the founding of Solstice Southwest. When our cup runs over, we can better serve the community. Please take a moment to familiarize yourself with our providers. In the Solstice Southwest Family, everyone is trained to provide. Anticipating your needs shouldn't just happen when you go to a resort. It should be the heartbeat of healthcare. Delivering the best integrative psychiatric and neurological care is made possible through comprehensive on-boarding and training. But more, our combined emotional intelligence allows us to hold space, to connect and herein compassion is supplied without being self-serving or disingenuine. A team tethered by trust and a common core value moves mountains. Welcome to Solstice Southwest! The miles that led you to this moment are treasured by each provider, regardless of title or role. We are all here to serve you and to be a trauma informed witness to your preferences, strengths, needs, goals and abilities. 


Dr. Randall Turner, DO


Dr. Randall Turner received his medical degree from TUNCOM in Nevada and completed his Psychiatry Residency training at Loma Linda University. He's board certified in Psychiatry and also in Addiction Medicine. He serves hospitals and institutions all over California. He has extensive experience with varied populations including geriatric psychiatry and addiction medicine across acute, subacute and everything after. He strives thoroughly to understand human psychology and psychopathology with a hope to relieve suffering and foster the growth of those he treats. Dr. Turner is a talented musician. In his spare he enjoys reading, bird watching, and traveling. He currently resides in Southern California with his wife and four children. His dream of creating an Institute of Excellence centered on best practices in Behavioral Health for providers of all levels is becoming a reality in Texas. Dr. Turner is a catalyst in Solstice’s growth, mission and quality.


Narges Maududi

Licensed Clinical Social Worker

Narges completed her Bachelor of Science in Psychology and Neuroscience from George Mason University and earned a Master of Science in Social Work from the University of Southern California. As a licensed clinician, Narges strives to create a safe environment that can both guide and nurture patients to thrive and overcome obstacles. Her holistic approach to customer service starts with listening and ends with listening. Narges believes that when patients are treated with respect, dignity, and compassion, they are empowered to draw on their own strengths and realize their full potential to live fulfilling, happy lives. She carries this philosophy into her practice. She believes that “healing is a collaborative endeavor that requires honest caring without judgment and needs to take place in a safe and holding environment.” Part of what marks Narges’ career in mental health is her experiences growing up in Afghanistan. She leads women, by example and evidence-based modalities to become whole, heard mothers, spouses and neighbors who look after each other - not just their own. Narges’ experience is from acute, severe, chronic or persistent conditions.


Brianna Riddlebarger

Physician Assistant

Brianna is a Board Certified Physician Assistant with a CAQ Specialization in Psychiatry. Brianna has worked in healthcare in a variety of settings since 2013. In her practice, she has consistently seen mental health to be the key to overall wellness. Brianna integrates lifestyle, CBT and DBT principles, and other holistic interventions with conventional treatments to treat the whole person. While medication is a tool, it is only 1 of many parts to providing relief. Brianna's priorities with patients is to provide a safe and empathetic listening ear, educate on practical solutions, and to empower each person to feel capable of change. Brianna is also a teacher at heart and incorporates education in her sessions to help her patients understand more about their bodies, hormones, and how they can heal. She is driven by her own personal journey in integrative medicine, her own learning, and emotional healing. Brianna is a wife, mother, medical preceptor, and an adjunct instructor for local Physician Assistant programs. It is Brianna’s vision to ensure that Solstice Institute shapes minds and policies for future generations of clinicians.


Britten Devereux

Completing her Master of Science in Addiction Counseling concurrent to a role as Clinical Supervisor, then Managing Director, Britten ensures patients are treated with dignity and that care is tailored, time-bound and specific. “Individual mental health is the axis point to family stability, marketplace innovation and overall wellness.” Licensed by Texas Health and Human Services as a Chemical Dependency Counselor, certified by the National Certification Commission for Addiction Professionals as a Master Addiction Counselor and a Member of the American College of Healthcare Executives, her leadership is about bringing people together.
You will often hear her talking about Solstice being the leading force to change the landscape of psychiatry. "When some providers see scarcity, pathology or deficits; we wrap up options and information to make services and the commitment they require more comfortable and clear for the consumer." As a co-founder of Solstice Southwest, Devereux is decisive about one thing in particular: a continuum of patient care that builds patient motivation while inspiring social connection. Years in change management and administration have shown Devereux that people want change and peace but both require titration of new skills and a willingness to inventory conflict or status quo.
Britten’s service spans more than visionary or clinician, but getting results. 

Deohjia “Dee” Henderson

Case Manager I

Deohjia “Dee” Henderson is a dedicated and compassionate Case Manager with an unwavering commitment to mental health advocacy. Deohjia received her Master of Social Work from Stephen F. Austin State University. Deohjia admires that Solstice is driven by a passion for empowering others and promotes independence and self-efficacy. Her journey in the field of social work has been marked by honing skills and staying abreast of the latest developments in mental health research and treatment modalities. With a person-centered approach, Deohjia recognizes the uniqueness of each individual's experience and tailors’ interventions to address their specific needs. As a Case Manager, she navigates the intricacies of the mental health care system on behalf of clients, ensuring they have access to the resources and services essential for their journey to well-being. She is adept at coordinating with healthcare professionals, community agencies, and support networks to create a seamless and holistic network of care. She believes growing up in such a small town in Louisiana, with a population of just 1,106 built her desire to seek a career in Social Sciences. Through education and community engagement, Deohjia aims to contribute to a culture where mental health is prioritized, and individuals are empowered to lead fulfilling and meaningful lives. Join her on the journey to mental health and well-being – together, you can navigate the path to resilience, recovery, and a brighter future.


Samrajyalakshmi “Sam” Manchikanti

Case Manager I

Sam graduated from the University of Chicago School of Professional Psychology with a master’s in clinical Mental Health Counseling. Sam values relationships, transparency within them, and will perhaps challenge clients towards growth and change. With compassion, empathy, and humor, Sam hopes to create a space that is safe and welcoming, a space where you can explore the changes in your life that you are committed to creating. Sam believes that working in the mental health profession offers opportunities to help people change their lives. Sam’s commitment and ideals are in line with Solstice's purpose and vision. Sam has a clinical history working with children as young as ten, adolescents, and adults from a variety of backgrounds. While her primary area of specialty includes the use of evidence-based practices such as cognitive behavioral therapy (CBT) and rational emotional behavior therapy (REBT). She also incorporates multicultural and family systems perspectives into an overall integrative psychological approach. Sam’s primary focus and training are specialized in anxiety, depression, transitionary phases, and parent consultation work for a variety of emotional, behavioral, and learning difficulties. She values work surrounding multiculturalism, diversity, identity formation, and self-esteem. Sam will continue to value such collaborative efforts and is happy to provide consultation surrounding educational planning and related services.


Patricia Gail de Jesus

Executive Assistant

I am an advocate for mental health. I am one instrument of peace for those who seek it, and I get to do this through using my skills in business. One of the many reasons I chose to work at Solstice, a place where I can feel comfort and at the same time, have a sense of purpose—to make this superior standard of care accessible to those who want more from life. I have pledged to give my all to my chosen profession, to put in my best effort, and to help others take flight because I love this side of the healthcare industry—it's where physical health and emotional wellness come together! It is my everyday intention to contribute to the development and precision of the Solstice Team. As the Executive Assistant, I work on our digital platforms, public communique, regulatory affairs, financial analysis, key performance indicators and quality assurance.