Thomas P. Crane, MD

Gary Etter, MD is a board-certified psychiatrist with experience across outpatient, inpatient, and emergency settings, including many years within the John Peter Smith Healthcare System. He has also practiced in federal correctional psychiatric settings and outpatient care through Tarrant County MHMR. Dr. Etter has been extensively involved in psychiatric education for medical students and psychiatry residents. He has participated in organized psychiatry for many years through the Texas Society of Psychiatric Physicians, serving on multiple committees and previously as President of the Texas Psychiatric Society. He earned his medical degree from the University of Texas Medical Branch in Galveston and completed his psychiatry residency at Timberlawn Psychiatric Hospital in Dallas. He is a Distinguished Life Fellow of the American Psychiatric Association.

Dr. Etter values ongoing patient input and strives to create a collaborative treatment environment where patients are actively involved in decision-making. He emphasizes a warm, supportive approach that helps patients feel heard, respected, and understood throughout their care.

Dr. Etter begins by developing a thorough understanding of each patient’s psychiatric, medical, family, developmental, and substance use history, while also exploring the patient’s concerns and goals. He then works collaboratively with the patient to develop an individualized treatment plan tailored to their unique needs and objectives.

Dr. Erica Mark is a board-certified psychiatrist with experience in both inpatient and outpatient care. She formerly served as a Staff Psychiatrist at a VA Medical Center, where she specialized in the mental health needs of veterans. Dr. Mark earned her B.S. in Biological Sciences, Summa Cum Laude, from Hampton University, received her MD from the University of Texas Medical Branch, and completed her psychiatry residency at Tulane University School of Medicine, serving as Chief Resident in 2017.

Dr. Mark fosters a warm, supportive environment where patients feel heard and respected. She values open communication and works collaboratively to set clear, personalized treatment goals. Deeply committed to service, she has supported underserved and marginalized communities through various nonprofit initiatives.

During initial sessions, Dr. Mark takes time to understand each patient’s history, concerns, and goals. She then creates individualized treatment plans aligned with each patient's unique needs and preferences. Dr. Mark encourages ongoing dialogue to adapt care plans and support long-term progress.

Kenneth Kavanagh is board certified as both a Psychiatric/Mental Health Nurse Practitioner and an Adult Nurse Practitioner.  His career has spanned 30 years with the last 17 years devoted exclusively to psychiatry.  He integrates his knowledge of psychiatry and primary care into evidence-based medication management strategies.  He also possesses a good working knowledge of alternative treatments and integrating alternative treatments into more traditional approaches.  When needed to enhance patient care outcomes, he frequently works collaboratively with psychotherapists, primary care providers, and/or medical specialists.  

Kenneth currently focuses on managing depressive disorders, anxiety disorders, adjustment disorders, ADHD, somatic disorders, OCD, and bipolar disorders.  Kenneth has significant experience in working with diverse groups, including urban and rural populations across socioeconomic spectrums, professionals and college students on all levels, members of the LGBTQ community, individuals confronting life stage transitions, and people living with chronic medical conditions.  

Kenneth’s psychotherapeutic methods are diverse and evolve to meet collaboratively developed treatment goals.  Kenneth’s interaction style is always empathic and respectful but can range from comforting and supportive to more directive and therapeutically confrontational strategies to maximize treatment goals, often with significant doses of humor throughout the therapeutic relationship.

Dr. Seth Sherman is a board-certified adult psychiatrist who has been in practice for over ten years. At the heart of Dr. Sherman's clinical approach is a strong emphasis on establishing trust, rapport, and therapeutic alliance to help persons to feel and live well and to progress toward their goals, both in treatment and in life. Dr. Sherman begins with consultation, a compassionate, collaborative process of discovery that culminates in a working diagnostic impression and, in turn, treatment recommendations. For those with whom he engages in a treatment relationship, Dr. Sherman provides psychoeducation, medication management, and individual psychotherapy, this last modality predominantly drawing from both psychodynamic and behavioral psychological models to tailor treatment to each patient. On some occasions, Dr. Sherman may believe that additional therapy is needed and ask that you bring a therapist into your care team to provide the best outcome. Dr. Sherman received his medical degree from Stanford University and went on to complete his residency in psychiatry at Harvard University. After completing training, he cultivated a private practice of psychiatry in San Francisco, California, treating persons with a variety of psychiatric illnesses, while also providing consultation and clinical supervision to psychotherapists in day-treatment and office-based practices. Next, Dr. Sherman served as a psychiatry professor at the Florida Atlantic University Charles E. Schmidt College of Medicine in Florida, where, as Associate Director of the Psychiatry Residency Training Program, he provided psychiatric inpatient treatment while bringing leadership, scholarship, teaching, supervision, and mentoring to psychiatry residents and medical students. Most recently, Dr. Sherman worked as a senior medical officer/consultant psychiatrist in New Zealand's public health system, serving local communities with expert diagnosis and treatment for a wide range of mental health conditions. He also continued to supervise U.S.-based psychiatrists, along with New Zealand psychotherapists, in advanced and complex clinical psychopharmacology and psychotherapy.

Dr. Stephanie Negrey is a board certified psychiatrist. She completed her undergraduate degree in Biology and History at Fordham University in the Bronx and then attended medical school at the Renaissance School of Medicine at Stony Brook University. She completed her residency at Wright State University in Dayton, Ohio as a member of the United States Air Force. Dr. Negrey served as an active duty psychiatrist; her duties included medical director of the mental health clinic at a special operations base as well as a program manager for the Air Force substance use program.

Dr. Negrey has experience treating a wide range of ages and diagnoses, with particular emphasis on personality disorders, depression, anxiety, and post traumatic stress disorder. She integrates supportive and psychodynamic therapies into her medication management appointments with a goal of achieving improvement through a holistic approach. Dr. Negrey will work with patients to reach their goals for their mental health care while also providing a compassionate and collaborative environment.

Dr. Madiha Halim, MD, has experience practicing psychiatry in both Pakistan and the United States, giving her a well-rounded understanding of mental health across diverse cultures. She earned her medical degree from Army Medical College in Pakistan and completed her psychiatry residency at the University of North Dakota School of Medicine and Health Sciences, where she also served as Chief Resident Physician. In this role, she gained extensive academic and administrative experience while mentoring junior residents and contributing to program development.

Dr. Halim values open communication and strives to create a therapeutic environment rooted in empathy, warmth, and respect. She collaborates with patients to develop individualized treatment plans that integrate cultural, biological, psychological, and social factors. While her primary focus is on medication management, she often incorporates supportive therapy, cognitive behavioral therapy (CBT), dialectical behavior therapy (DBT), and motivational interviewing for a holistic and patient-centered approach.

Dr. Halim begins by taking time to understand each patient’s background, concerns, and goals during the initial session. She emphasizes collaboration, ensuring patients are informed and involved in their treatment decisions. Her process fosters empowerment and partnership, helping patients gain insight, build coping strategies, and achieve long-term mental wellness.