Margot Krahn, PMHNP-BC
Psychiatric care for children, teens, adults, and seniors. ADHD, anxiety, depression, bipolar, and trauma-related symptoms.
Accepting new patientsNeuropsychology & Assessment · Tampa, Wesley Chapel & Lakeland
Ed.D. and Ph.D. Reading and learning disabilities · Neuropsychology · Faculty, Department of Psychiatry, Lakeland Regional Health
Accepting new patients

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Dr. Richard M. Marshall, Ed.D., Ph.D., provides neuropsychological, neurodevelopmental and psychoeducational evaluations and therapy, with more than 25 years in teaching hospitals and a faculty post in the Department of Psychiatry at Lakeland Regional Health. He sees patients in person at Ascend’s Tampa (Carrollwood), Wesley Chapel and Lakeland offices. Cost and payment are reviewed on the first call; call (863) 510-2624.
More than 25 years in teaching hospitals, now on the faculty of the Department of Psychiatry at Lakeland Regional Health. Background
Dr. Richard M. Marshall holds an Ed.D. with specialty training in reading and learning disabilities and a Ph.D. with specialty training in neuropsychology. He has taught graduate and undergraduate courses at the University of Georgia, the University of Texas at Austin, and the University of South Florida, and has spent more than 25 years working in teaching hospitals. He currently serves on the faculty of the Department of Psychiatry at Lakeland Regional Health.
Dr. Marshall divides his time among therapy, diagnostic assessments, teaching, and professional presentations.
Learn more about psychological and psychoeducational testing at Ascend.
Dr. Marshall has authored numerous professional articles and book chapters and has co-authored two books, The Middle School Mind: Growing Pains in Adolescent Brains and How to Raise an Emotionally Healthy Child. He is currently developing a parent training manual designed to support families in promoting healthy child development and emotional well-being.
He also co-authored the Pediatric Behavior Rating Scale, one of the first assessment instruments developed to help differentiate early-onset bipolar disorder from other neurodevelopmental disorders.
Over the past 12 years, Dr. Marshall has co-presented more than 500 podcasts and continues to maintain an active schedule of presentations for parents, educators, healthcare providers, and other professionals.
Your first visit
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Tell us a little about what you need. A patient coordinator calls you back within one business day.
A coordinator confirms what to expect before your first appointment.
Appointments are in person at the Tampa (Carrollwood), Wesley Chapel or Lakeland office, whichever is closest to you.
Dr. Marshall's evaluations and therapy sit alongside these Ascend services. Explore each to see how the team approaches it.
Where to find Dr. Marshall
Ready when you are
Dr. Marshall is accepting new patients at all three Ascend offices: Tampa (Carrollwood), Wesley Chapel and Lakeland.