Holistic Psychiatry for Healing & Recovery

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“There should be no distinction between brain and body when it comes to illness.”

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At Turning Point Psychiatry we provide compassionate psychiatric care integrated with functional interventions to treat anxiety, depression, ADHD, and chronic mood conditions. We combine medication management, functional health, and therapy referrals to create personalized care plans so you can move forward with confidence.

Meet the Care Team

Compassionate professionals supporting your wellness journey.

Dr. David McDonald, MD

Medical Director

Dr. David McDonald, MD is a highly experienced Medical Director and board-trained Family Medicine Physician with specialized expertise in Medication Assisted Treatment (MAT) and addiction medicine. With more than 56 years of clinical experience, Dr. McDonald brings a depth of knowledge, clinical judgment, and steady leadership that reflects decades of dedicated patient care.

Dr. McDonald earned his medical degree from Queen's University and is affiliated with HCA Houston Healthcare Southeast. Throughout his career, he has been a strong advocate for functional health and wellness, emphasizing whole-person care that integrates medical treatment with long-term health optimization.

Patients consistently rate Dr. McDonald 5.0 stars, citing his exceptional dedication to patient well-being, individualized treatment planning, and ability to build trusted, long-term therapeutic relationships. He is widely valued for providing clear explanations, taking time to truly understand patient concerns, and demonstrating a genuine commitment to addressing both immediate and underlying health needs—particularly in the treatment of substance use disorders.

In addition to his clinical leadership, Dr. McDonald is known for his compassionate, steady approach and his belief that effective care is rooted in respect, education, and partnership with patients. Outside of medicine, he is an avid photographer, bringing the same attention to detail and appreciation for perspective into his personal creative pursuits.

Lisa Ghiloni, PhD, PMHNP-BC

Dr. Lisa Ghiloni holds a Doctorate in Education and a Master’s degree in Nursing and is a board-certified Psychiatric Mental Health Nurse Practitioner. With over 30 years of experience in mental health care across the lifespan, Dr. Ghiloni brings deep clinical expertise, academic leadership, and a patient-centered philosophy to every aspect of her work. She is a proud member of the American Nurses Association and remains actively engaged in advancing the nursing and mental health professions.

Dr. Ghiloni has an extensive background in education and mentorship. She has served as a Dean of Nursing and previously taught mental health clinicals at the University of Pennsylvania, where she played a pivotal role in shaping future mental health professionals. Mentoring and supporting students pursuing careers in mental health is a core value of her professional mission.

Known for her compassionate, transparent, and collaborative approach, Dr. Ghiloni practices from a holistic and functional health perspective. She firmly believes that “you can’t treat mental health without looking at physical health.” Her care model emphasizes the critical connection between mental health, metabolic health, and overall physical well-being. Treatment plans thoughtfully integrate evidence-based psychiatric care with nutrition, exercise, sleep optimization, and lifestyle interventions to support long-term healing and resilience.

Beyond her professional role, Dr. Ghiloni is also a mother of two and a proud grandmother of one, experiences that further inform her empathetic, family-centered approach to care.

Dr. Ghiloni is dedicated to treating the whole person—mind and body—while empowering individuals with the knowledge, tools, and support they need to achieve sustainable mental and emotional wellness.

Kelle Huong Phan, DNP, RN, NNP-BC, PMHNP-BC

Psychiatric Mental Health Nurse Practitioner (PMHNP) | Bilingual – English & Vietnamese

With over 20 years of nursing experience caring for patients across the lifespan—from neonatal and pediatric care to maternal and geriatric health—I bring a compassionate, holistic approach to mental health treatment. My clinical foundation is deeply rooted in maternal and neonatal care, which has shaped my strong passion for women’s mental health, wellness, and life-stage–specific support.

As a first-generation Vietnamese American and a fluent Vietnamese speaker, I have a deep understanding of the cultural values, generational expectations, and stigma that can make seeking mental health care challenging within the Vietnamese community. I am committed to providing a safe, respectful, and culturally sensitive environment where clients feel heard, understood, and supported—particularly those who prefer to receive care in their native language or from a provider who shares their cultural background.

My approach integrates evidence-based psychiatric care with empathy, collaboration, and respect for each individual’s lived experience. I strive to build strong therapeutic relationships and empower clients to achieve emotional balance, resilience, and overall well-being.

If you are seeking compassionate mental health support and value working with a Vietnamese-speaking specialist who combines clinical expertise with cultural understanding, I would be honored to support you on your journey toward healing and wellness.

Devonna McFarlin Owino, LCDC, MS, MA, EC-6 Texas Educator, BS

Devonna is a dedicated human services professional with a strong academic foundation and extensive hands-on experience serving children, families, and individuals impacted by trauma and substance use disorders. She began her academic journey at Southern University before earning her Bachelor of Science in Social Science from University of Houston–Downtown. She later obtained a Master of Science in Human Services from Prairie View A&M University.

Devonna completed her clinical internship at Memorial Hermann Prevention Recovery Center, where she gained direct experience in addiction treatment and recovery services. She went on to become a Licensed Chemical Dependency Counselor and further advanced her expertise by earning a Master of Arts in Addiction Counseling from Liberty University.

In addition to her clinical credentials, Devonna is a certified EC–6 teacher, reflecting her deep commitment to child development and education. She currently serves as a Treatment Director for a residential facility supporting foster youth, where she provides leadership, program oversight, and compassionate care to some of the most vulnerable populations. She is also in the process of becoming a Licensed Certified Child Care Administrator.

Outside of her professional work, Devonna enjoys spending quality time with her family and relaxing with her favorite Lifetime movies. Her career reflects a strong dedication to service, advocacy, and creating safe, supportive environments for children and families to heal and thrive.

Shawn Langellier

Mental Health Coach

With over 15 years of experience in mental health services, [Name] is a dedicated Mental Health Coach specializing in youth support and crisis intervention. He has spent the majority of his career working as a Crisis Interventionalist, providing immediate, compassionate support to adolescents facing emotional, behavioral, and situational challenges.

Through his work with Community in Schools, Shawn has partnered closely with students, families, educators, and community organizations to help young people navigate trauma, stress, anxiety, and life transitions. His approach is grounded in relationship-building, emotional regulation, and practical coping strategies that empower youth to build resilience and long-term emotional well-being.

Shawn brings a calm, supportive presence and a strengths-based perspective to his coaching, helping individuals develop insight, confidence, and healthy decision-making skills. He is deeply committed to meeting people where they are and supporting meaningful, sustainable growth within both individuals and the communities they belong to.