PTSD Psychiatrists in Texas

Dr. Rania Elkhatib is a board-certified general psychiatrist with extensive experience in clinical care, teaching, and research. She earned her medical degree from the University of Texas Medical Branch in Galveston and completed her psychiatry residency at UTHealth Science Center in Houston, where she later served as an Assistant Clinical Professor. During that appointment, Dr. Elkhatib was heavily involved in medical education and has developed courses in cultural psychiatry and psychiatry boot camps for medical students.

Dr. Elkhatib specializes in treating a wide range of psychiatric conditions, including Major Depressive Disorder, Anxiety Disorders, Bipolar Disorder, OCD, ADHD, and PTSD. Dr. Elkhatib focuses on evidence-based medication management but will also incorporate supportive therapy and cognitive-behavioral techniques to optimize treatment management and patient’s wellness. She is fluent in Arabic and English and has a strong interest in working with diverse patient populations.

Dr. Elkhatib has a holistic approach with focus on medication management while incorporating supportive therapy and cognitive-behavioral techniques to optimize patient wellness.

Background and credentials

Dr. John Whittier is a board-certified psychiatrist. He earned his Bachelor of Arts in Molecular, Cellular, and Developmental Biology from the University of Colorado at Boulder and went on to obtain a master’s degree in Medical Science from Loyola University Chicago. He completed his medical training at the Robert Larner, M.D. College of Medicine at The University of Vermont and returned to Colorado for his psychiatry residency at the University of Colorado School of Medicine. While in residency, he specialized in the Psychotherapy Scholars Program and has since gained four years of experience treating psychiatric conditions through telehealth.

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Treatment approach

Dr. Whittier primarily focuses on medication management for general psychiatric conditions. His approach is individualized, ensuring that each patient receives a treatment plan tailored to their unique needs. He integrates supportive therapy, medications, and evidence-based alternative therapies to provide a flexible and comprehensive approach. In addition to his general practice, he maintains a psychodynamic psychotherapy panel where he helps patients explore developmental and relational patterns that contribute to their symptoms. His specialties include treating depression, anxiety, adjustment disorders, PTSD, insomnia, bipolar disorder, and ADHD.

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What you can expect in a first visit

During the first visit, patients can expect a one-hour comprehensive intake during which Dr. Whittier thoroughly evaluates their symptoms, medical history, and personal goals. He provides treatment options that prioritize flexibility, allowing patients to take an active role in their care. Follow-up visits typically last 20 to 30 minutes, focusing on assessing treatment progress and making necessary adjustments. For those engaged in psychodynamic psychotherapy, longer one-hour sessions are available for in-depth exploration of underlying psychological patterns.

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Why Talkiatry?

We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

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Dr. Kerry O'Leary is a board-certified adult psychiatrist who joined Talkiatry after she completed her psychiatry residency. Dr. O'Leary provides patient-centered care and understands the importance of actively involving patients in their treatment journey. She believes that every patient deserves personalized care tailored to their unique needs and circumstances. She utilizes evidence-based treatments combined with a comprehensive approach to address not only the symptoms but also the underlying factors contributing to her patients' distress. Although her practice focuses on medication management, she also provides supportive therapy and may recommend more intensive therapy when indicated. Dr. O'Leary approaches each patient with empathy and understanding, fostering a supportive and nonjudgmental environment. Dr. O'Leary completed her undergraduate training at The University of Texas at Austin and pursued her medical degree at The University of Texas Medical Branch in Galveston. She also graduated with a Master's in Public Health from Columbia University in New York. She went on to complete her general adult psychiatry training at Baylor College of Medicine in Houston. Dr. O'Leary focuses on treating the adult population from ages 18+. She utilizes both pharmacological and psychotherapeutic treatment interventions and has experience in treating a variety of diagnoses including depression, anxiety, bipolar disorder, insomnia, PTSD, OCD, and psychotic disorders.

Carly Frix-Rhyne is a Licensed Professional Counselor (LPC), in both Texas and Arkansas, who has extensive experience working in the mental health field. She has worked directly with clients of various demographics, living with a variety of mental health conditions. Carly attended undergraduate and graduate school in her hometown of Texarkana, Texas at Texas A&M University - Texarkana. She completed her practicum and internship working as a therapist in therapeutic foster care, with children, teens, foster parents, and biological families. Carly has been practicing for 7 years as a LPC, focusing on individuals working to cope with trauma, stressful life events, anxiety, depression, and issues coping with and communicating their own needs. Carly has worked for community mental health agencies, non-profit agencies, and private practice organizations. Much of Carly's past work involves providing therapy services to children, teens, and adults who survived abuse/trauma. Carly enjoys working with clients of all ages and with a variety of different presenting mental health needs. She uses different techniques including cognitive behavioral approaches and attachment-based approaches, while maintaining a person-centered theoretical orientation with all clients. Carly utilizes a range of therapeutic tools in hopes of providing clients with practical skills they can begin using immediately. She believes in meeting clients exactly where they are and helping them understand their own needs.

Dr. Troy Grantham is a board-certified staff psychiatrist who treats adult patients. A former engineer, Dr. Grantham has developed a passion for guiding patients along the road to recovery. He completed his undergraduate studies at The University of Texas at Austin and later completed medical school and residency in General Psychiatry at The University of Texas Medical Branch at Galveston. Dr. Grantham's practice focuses on medication management. He utilizes a systematic approach to ensure diagnoses are accurate and treatment plans are optimized to each individual patient. His approach is also holistic in nature, often incorporating therapy and lifestyle modification into the treatment plan. Dr. Grantham employs multiple therapeutic approaches in his practice depending on the needs of the patient including supportive therapy, Cognitive Behavioral Therapy (CBT), and Acceptance and Commitment Therapy (ACT). He places great emphasis on psychoeducation so that patients are aware of the nature and prognosis of their conditions as well as the treatment options available. When multiple treatment options are reasonable, Dr. Grantham takes patient preference into account, offering flexibility to the patient experience. He treats a variety of psychiatric disorders with a particular focus on mood disorders, anxiety disorders, obsessive-compulsive disorders, and trauma-related disorders.

Please note: Dr. Grantham does not prescribe long-term, daily benzodiazepine medications, however he is happy to help you taper off of these medications and transition to a safer, long-term medication regimen.

Dr. Rabia Choudhry, DO, became a psychiatrist with one mission: to provide compassionate, high-quality mental health care accessible to anyone, anywhere. Originally from Pakistan, she pursued her undergraduate degree at Benedictine University in Illinois, medical school at Des Moines University in Iowa, and psychiatry residency at Trinity Health Livonia Hospital/Wayne State University in Michigan. She has experience in inpatient, outpatient, forensic, and community mental health settings.

Dr. Choudhry is committed to meeting patients where they feel most comfortable, whether at home, work, or elsewhere. She offers the same compassion, attentiveness, and expertise as in-person care while removing barriers like travel, time constraints, and distance. Her approach emphasizes that patients are more than a diagnosis, focusing on the whole person—their story, struggles, and strengths.

Dr. Choudhry partners with patients to create individualized therapeutic plans that may include medication management and holistic strategies. Her goal is to promote mood stability, balance emotions, reduce anxiety, quiet overwhelming thoughts, resolve interpersonal conflicts, and strengthen resilience. She believes healing is best achieved through collaboration, open dialogue, and empowering patients to make informed choices about their care.

Dr. Mark Varela is a board-certified psychiatrist joining Talkiatry directly out of residency. He focuses primarily on medication management, often accompanied by brief cognitive, motivational, or supportive therapy. He may request that you also meet with a therapist regularly for your benefit. Dr. Varela received his medical degree and general psychiatric residency training both from Texas Tech University Health Sciences Center in West Texas. He treats young adults and adults with a wide variety of mental health concerns, including ADHD, mood disorders, anxiety, OCD, and PTSD.

LaTreece Ross is a Licensed Professional Counselor in Texas who has been practicing for 4+ years in a variety of settings including mental health clinics, school settings, foster homes & resident treatment care centers (RTC). She also has 3 + years of trauma experience at the Children's Advocacy Center of Collin County (CACCC) for her practicum, internship, and post grad clinical hours.LaTreece is dedicated to helping clients find new ways to cope with everyday life as they reframe their thought patterns. During therapy, she incorporates multiple modalities of treatment into her practice to give each client a unique experience that meets their specific needs. LaTreece offers cognitive behavioral therapy, client-centered therapy, Solution-focused Therapy, and trauma-informed therapy. She specializes in working with clients dealing with depression, anxiety, life transitions, adolescent and peer issues, relationship and family distress, and grief and loss. During the initial sessions, LaTreece will collaborate with the client to create a treatment plan and set goals for therapy.

Dr. Stephane Louis, LMFT, QS, earned a B.S. in Psychology and Biblical Studies from Palm Beach Atlantic University, followed by her M.S. and PhD in Marriage and Family Therapy from Nova Southeastern University. In 2020, she was featured in Forbes for her study of resilience and intersecting identities in queer women of Afro-Caribbean descent. Past roles include bilingual mental health assessor, psychology instructor at Broward College, and Student Counselor at Lynn University. As a therapist, Dr. Louis’ work has given her in-depth insight into how multiple systems and important relationships can influence the course of a person’s life.

As a queer woman of Haitian descent, Dr. Louis explores different ways the intersectionality of culture, family, identity, and sexuality can impact our lives. She is fascinated by stories of vulnerability, always looking for strengths and solutions. She helps people feel safe to be themselves and go from where they are to where they can be.

Dr. Louis provides individual, couples, and family therapy, integrating Accelerated Resolution Therapy (ART), Solution-Focused Therapy, collaborative conversations, and systemic approaches to address LGBTQ+ issues, racial trauma, cultural identity exploration, and relational wounds. Dr. Louis will meet you where you are and help you grow into the most authentic version of yourself.

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Background and credentials

Dr. Matthew Koller is a board-certified adult psychiatrist who completed his undergraduate training at The University of Texas at Austin. He earned his medical degree from The University of Texas Health Science Center at San Antonio and completed his general adult psychiatry residency at Baylor College of Medicine in Houston, TX, where he served as Chief Resident of Education in his final year of training.

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Treatment approach

Dr. Koller believes that understanding a patient fully is essential before treatment begins, emphasizing a collaborative and patient-centered approach to care. His practice is primarily focused on medication management, but he also incorporates supportive therapy and other therapeutic modalities as needed. He may recommend including a therapist in the treatment plan to ensure comprehensive, well-rounded care. He has experience treating a wide range of mental health conditions, including depression, anxiety, insomnia, personality disorders, bipolar disorder, PTSD, and psychotic disorders.

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What you can expect in a first visit

During the first visit, patients can expect a thorough and individualized psychiatric evaluation, where Dr. Koller takes the time to understand their symptoms, history, and treatment goals. He prioritizes open communication and shared decision-making, working closely with patients to develop personalized treatment plans. While medication management is the foundation of his approach, he remains flexible and adaptive, incorporating therapy and other interventions as needed to help patients achieve optimal mental health.

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Why Talkiatry?

We’re a virtual mental health practice that makes it easy to find great care. We combine quality and convenience to help you thrive—faster. Our providers, like this one, are highly trained experts who specialize in medication management and collaborate with you on a treatment plan that fits your needs and comfort level.

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Dr. Heath Foreman is double board-certified in General Psychiatry and Child and Adolescent Psychiatry. He is a Texas native and received his Bachelor of Science in Medical Technology from UTSouthwestern Medical Center in Dallas. His medical degree was earned at the University of North Texas Health Science Center - Texas College of Osteopathic Medicine in Fort Worth. He completed residency and fellowship training at Baylor Scott & White - Texas A&M in Temple and has been practicing since 2015. He served as Medical Director for a community mental health system for 10 years and has experience working with patients who have ADHD, Autism, Intellectual Developmental, Anxiety, Mood and Traumatic Stress Disorders and Psychosis.

Dr. Foreman uses a professional yet conversational style so that patients may feel at ease while developing a comprehensive understanding of the issues at hand. He prefers an educational approach so that patients can gain the knowledge and tools required to achieve improvement.

Dr. Foreman will perform a broad evaluation and work with his patients to create an evidence-based, personalized treatment plan. Subsequent meetings will incorporate medication management as well as psychotherapeutics based on Cognitive Behavioral, Trauma Based and Psychodynamic techniques. He will provide referrals for traditional counseling or testing when appropriate.

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Dr. Rachel Sherhart is a board-certified adult psychiatrist who has been in practice for over 4 years. She specializes in medication management with 30-minute follow-up visits. This may be accompanied by elements of supportive therapy, Acceptance and Commitment Therapy (ACT), Dialectical Behavior Therapy (DBT), and psychodynamic therapy. If more in-depth work is needed, she may refer patients to a collaborating psychotherapist. ‍Dr. Sherhart received her medical degree from Texas A&M Health Science Center and completed her psychiatry residency training at the University of Texas Southwestern in Dallas, Texas. She has served as faculty at Texas A&M University College of Medicine, providing education and supervision for psychiatry residents and medical students. ‍She has experience treating adult patients from many walks of life with a broad range of diagnoses, including depression, anxiety, bipolar disorder, ADHD, and trauma-related disorders. Dr. Sherhart has a passion for providing excellent patient care and education. Her goal is for patients to feel heard and find a safe place to discuss their concerns. She is motivated to work collaboratively with patients to find a solution that best fits their treatment goals and improves their overall quality of life.‍

Dr. Osaji is an Adult Psychiatrist who completed her psychiatry training at Texas Tech University Health Sciences Center, Lubbock, Texas. She served her program as a chief resident, which helped to build her leadership and interpersonal skills. She also dedicated herself to leading her resident team and fostering a supportive learning environment. She received the award of excellence in psychiatry knowledge during her residency training. She also has a Master's in Public Health from Texas Tech University Health Sciences Center and is a Phi Kappa Phi Honor Society member.

Dr. Osaji is an adult outpatient psychiatrist who provides care via telehealth. She strives to create a supportive, collaborative space where patients can explore what's bringing them in and work together to determine the best path forward. Whether someone is new to mental health care or returning after some time away, Dr. Osaji recognizes that it's normal to feel a mix of emotions at the start. She takes a thoughtful, personalized approach to treatment that may include medication, therapy recommendations, or simply creating space to talk. While telehealth offers flexibility and convenience, Dr. Osaji is committed to building a meaningful connection with each patient. She does not provide emergency services between sessions but ensures patients can access the appropriate resources when needed. As someone early in her career, Dr. Osaji brings fresh training and a strong commitment to transparency, lifelong learning, and evidence-informed care. She values open communication and believes deeply in each person's capacity for meaningful change.

Dr. Osaji creates a supportive, collaborative space to help patients explore their mental health concerns and goals. She takes a personalized approach that may include medication, therapy referrals, or check-ins, always valuing patient input. Follow-up visits are 20 to 30 minutes, focusing on monitoring progress and adjusting care as needed. She offers convenient access through telehealth while building meaningful, transparent relationships rooted in respect and growth. Dr. Osaji also values collaborative care and often coordinates with therapists or refers patients to therapy when additional support can enhance outcomes.

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Dr. Farias is a board-certified physician in both adult and child & adolescent psychiatry, with a focus on the diagnosis and treatment of depressive disorders, anxiety disorders, trauma- and stressor-related disorders, and ADHD. Dr. Farias graduated magna cum laude with a Bachelor of Science degree from the University of Houston, majoring in Biology with a minor in Chemistry. She then pursued her medical education at Texas Tech University Health Sciences Center, earning her Doctor of Medicine degree. Dr. Farias completed a three-year psychiatric residency at TTUHSC, followed by fellowship training in child and adolescent psychiatry. She completed her first year of fellowship at the University of Texas Medical Branch in Galveston and her second year at TTUHSC. With a diverse clinical background, Dr. Farias has gained experience in a variety of settings, including academic psychiatry, consult liaison psychiatry, intensive outpatient programs (IOP), partial hospitalization programs (PHP), emergency psychiatry, and outpatient psychiatry. This broad range of experience allows her to provide comprehensive, individualized care to patients at all stages of life. Dr. Farias takes a holistic approach to treatment, incorporating both medication management and psychotherapy. She utilizes principles from Cognitive Behavioral Therapy (CBT), Acceptance and Commitment Therapy (ACT), and supportive psychotherapy, recognizing that a combined approach leads to better outcomes for patients.

Dr. Chhavi Chaudhary is a dual board-certified psychiatrist with subspecialty certification in Child and Adolescent Psychiatry. She completed her fellowship at Washington University in St. Louis, where she also served as Chief Fellow, and her general psychiatry residency at the University of Texas Health Science Center at Tyler. Over the past year, she has provided telehealth psychiatric consultations across emergency rooms and inpatient settings, gaining extensive experience across state hospitals, outpatient clinics, college mental health, preschool, mood disorder, and community health clinics.

Patients working with Dr. Chaudhary can expect a thoughtful and collaborative approach. She emphasizes understanding each individual in the context of their psychosocial development, life experiences, and cultural and societal stressors. She believes mental health cannot be separated from the challenges faced at school, work, within families, and in society at large.

Dr. Chaudhary’s style is warm, curious, and collaborative. She listens carefully, ensuring patients and families feel understood, and works together to create practical, personalized treatment plans. She integrates psychopharmacology with therapy, coping strategies, and resilience-building, aiming for patients to feel supported, empowered, and actively engaged in care that evolves with their needs.

Cody Chua is a licensed clinical social worker with extensive experience working in the mental health field. He has a passion for helping individuals, children, couples, and families by assisting them in finding their inner strengths and natural capabilities that aid in creating positive change and fostering healthy relationships. Cody completed school at the University of Houston's Graduate College of Social Work, in Houston, TX, while completing his practicum at Texas Children's Hospital Outpatient Psychiatry Clinic. Cody has 3 years of experience as a therapist in inpatient, outpatient, and virtual settings, offering individual, group, and family counseling to teens and adults. He specializes in working with clients with mood disorders, behavioral issues, grief and trauma, substance abuse, and co-occurring disorders. Cody tailors his treatment approach to each individual client, and has experience with various modalities, including mentalization based therapy, logotherapy, and cognitive based therapy. Outside the therapy room, Cody is passionate about cooking, travel, hiking, drawing, music, and theater. He enjoys spending time with his dog, and his family.