Psychiatrists

Ronald Garb, MD
Dr. Garb attended the University of the Witwatersrand and the Royal College of Surgeons in Ireland, where he received his medical education, and received the specialist Diploma in Psychological Medicine. He trained in the Professorial Units in the teaching hospitals of the University, where he obtained his first lectureship. He is also a Fellow of the College of Medicine in the Faculty of Psychiatry ( SA), Member of the Royal College of Surgeons (England), and is Certified by the American Board of Psychiatry and Neurology.
Learn more on Dr. Garb’s website.

Karen Brown, MD
Dr. Karen Brown has been in private practice in Houston since moving to Texas in 1991. She received her Bachelor of Science degree from George Washington University in Washington D.C. She is a graduate of the Sackler School of Medicine in Tel Aviv, and completed her psychiatric residency at Long Island Jewish Hillside Hospital in New York City, where she served as Chief Resident and was also named Resident of the Year.
Dr. Brown has been board certified by the American Board of Psychiatry and Neurology (ABPN) since 1991. In addition, she has had the honor of serving for many years as a member of a team of national examiners for the ABPN.
Dr. Brown has experience in emergency psychiatry and teaching residents, as well as inpatient psychiatry where she has served as medical director for acute care units and for quality assurance.
Learn more on Dr. Brown’s website.

Edwards McReynolds, MD
Edwards McReynolds, MD was born and raised in Galveston, Texas and earned his Bachelor degree in 1963 from the University of Texas in Austin majoring in biology. He received his MD degree from the University of Texas Medical Branch (UMTB) in Galveston in May 1967. Dr. McReynolds took a rotating internship at Hermann Hospital in Houston the following year. He did my general psychiatry residency the next 2 years, where he also had a morning job administering electroconvulsive treatments under supervision. Dr. McReynolds then transferred to Menninger School of Psychiatry in Topeka, Kansas where he completed my Child and Adolescent Psychiatric residency.
Following this, Dr. McReynolds served 2 years at Williford Hall Hospital, Lackland Air Force in San Antonio, Texas where he ran a Child Guidance Clinic and taught child and adolescent psychiatry.
Learn more on Dr. McReynolds’ website.

Cassidy Gillaspie, MD
Dr. Gillaspie is a true Texan. Born and raised in South Houston, attending Bellaire High School, graduating from Baylor University with a degree in Mathematics, and then attending Medical School at the University of Texas at the Health Science Center San Antonio.
She completed her Adult Psychiatry residency in San Antonio prior to starting her Child Psychiatry fellowship training at the University of Texas Southwestern in Austin. This diverse training background provided exposure to both academic hospital systems and private sector hospital systems allowing for extensive exposure to an array of psychiatric illness in different populations.
After completing 9 years of psychiatric training, Dr. Gillaspie spent 5 years working in community psychiatry in South Austin, building a child psychiatry program in a much needed area of town. While Austin was an amazing adventure, family brought her back to her native Houston to start her own family. Joining a thriving medical practice in Bellaire broadened her exposure and she pursued a third board certification in Addiction medicine.
Learn more on Dr. Gillaspie’s website.

Patrick Thomas, MD, PhD
Patrick Thomas, MD, PhD earned a B.A. in Biology from Rice University. After finishing a Fulbright Fellowship in Madrid, Spain, Dr. Thomas joined the Medical Scientist Training Program (MSTP) at the University of Washington and graduated with an MD and PhD. He completed his residency in psychiatry at the UCLA Semel Institute.
Dr. Thomas served as Outpatient Chief of the Addiction Medicine Clinic and trained in Cognitive Behavioral Therapy at the UCLA Anxiety Disorders Clinic. He was a Fellow in the UCLA Borderline Personality Disorder Initiative, where he conducted mentalization-based therapy for patients with borderline personality disorder and co-occurring disorders. After fellowship, Dr. Thomas was an inpatient psychiatrist for the Professionals Program at the Menninger Clinic. He also served as the Program Director of the Professionals Program prior to going into private practice.
Learn more on Dr. Thomas’ website.

Harry Siegele, MD
Dr. Siegele completed his undergraduate training at Boston University where he obtained his Bachelor of Science degree with honors. He was born in Costa Rica but grew up in the Houston-area, and following his undergraduate studies, quickly returned to the Houston warmth to obtain his medical degree from Baylor College of Medicine. Dr. Siegele would continue his training at The Menninger Department of Psychiatry and Behavioral Sciences at Baylor College of Medicine where he completed three years of general psychiatry training.
After earning the Excellence in Child Psychiatry Award, he was subsequently awarded fellowship in Child and Adolescent Psychiatry at Baylor College of Medicine to hone his skills in serving this unique population. After the first year into this two-year fellowship, he decided to join the Memorial Psychiatry team to serve both children and adults. Dr. Siegele has trained in clinics specializing in Autism Spectrum Disorder and has a personal interest in the diagnosis and treatment of Autism. He has special interest in anxiety and OCD-related disorders and has previously participated in research in their assessment and treatment. Dr. Siegele is proficient in Spanish and welcomes serving primarily Spanish-speaking patients in Houston.
Learn more on Dr. Siegele’s website.