Prism Care Medical Advisory Board

Dr. Briana Costello trained at the Texas Heart Institute and Baylor St. Luke’s Medical Center hospital as a general and interventional cardiologist after earning her medical degree from Wright State University Boonshoft School of Medicine with Alpha Omega Alpha honors. She completed her internal medicine residency at Rush University Medical Center in Chicago, Illinois. She currently works at Texas Heart Medical Group in Houston, Texas. In addition to general and interventional cardiology, Dr. Costello is passionate about cardiovascular prevention and women’s heart health.
Over 35 years in healthcare practicing General Internal Medicine.  Previous experience includes Board of Directors at St. Joseph Medical Center and Leadership positions with Cigna Healthspring MA plan and Steward Medical Group. Dr. Watkins has received teaching awards from the University of Texas Medical Branch Galveston Medical School and Baylor College of Medicine Physician’s Assistant program. Dr. Watkins is currently serving as a Market Medical Director for WellMed Medical Management in Houston, Texas.
Over 35 years practicing psychiatry in various settings including private practice, hospital care, community care and forensic care. Dr. Emmite is currently taking care of our veterans at a VA community clinic. Her most difficult task has been working with patients to assure treatment and medication compliance. She currently teaches UT psychiatry residents. 
Geoffrey Schnider, MD, received his medical degree from the University of the Witwatersrand in Johannesburg, South Africa in 1974. He completed internships in general surgery and internal medicine at the Johannesburg General Hospital in 1975. He went on to complete his residency in obstetrics and gynecology at Baylor College of Medicine in Houston, Texas in 1980. Dr. Schnider is board certified by the American Board of Obstetrics and Gynecology and is a Fellow of the American College of Obstetrics and Gynecology. Dr. Schnider is also recognized as an advanced laparoscopic surgeon by the Accreditation Council for Gynecologic Endoscopy and is a member of the American Association of Gynecologic Laparoscopy.
Dr. Harry M. Rosenthal graduated from the University of Texas in Austin where he earned Phi Beta Kappa honors, and UT Medical Branch in Galveston, Texas with highest honors. He trained in Pediatrics at Texas Children’s Hospital and is a Clinical Associate Professor at Baylor College of Medicine in the Department of Pediatrics. He is affiliated with Texas Children’s Pediatric Associates and has served as Chairman of the Managed Care Advisory Committee and as a member of the Executive Committee.  He has extensive experience in caring for pediatric patients with complex diagnosis.