Meet Our Team

Kaitlin has been working in our office since January 2017. She is a certified phlebotomist and trained clinical assistant. Kaitlin assists our nurse with Spravato treatments and insurance authorizations.

Margo joined St. John Mental Health Clinic of Houston in August 2024. Her background is in ambulatory health and procedural sedation. Margo has over 20 years of experience advocating

Daphne started her nursing career in a hospital environment and more specifically on a telemetry unit. She quickly realized she desired a more individualistic approach to her patients and

Dr. St. John opened her private practice after graduating from residency in 2006.  Over the years, her primary goal has been to provide care to psychiatric patients from Houston

Mrs. Grizzaffi joined St. John Mental Health Clinic of Houston in September 2016. She is nationally board-certified with the National Commission on Certification of Physician Assistants. She has previous

Rachel DeLaCerda has been assisting Dr. St John in treating TMS patients since she joined the practice as our TMS Coordinator in the fall of 2016. Rachel is a

Susan Brown joined St. John Mental Health Clinic of Houston in September 2016.  Susan has worked the administrative/management side in the medical field for over 30 years.  She is