Our office consists of Dr. Toufexis, Dr. Esch, Allison Kennel Besselieu ARNP, and Mary Katherine Charles PA. We strive to deliver the best and personalized care we can. Follow up appointments will rotate between all of us so we can all understand your story and be able to provide you excellent care in our office.

Dr Megan Toufexis

Megan Toufexis

DO, P.A.

Dr. Toufexis earned her medical degree from the New York College of Osteopathic Medicine. She specialized in adult psychiatry at the University of Rochester and completed her fellowship in child psychiatry at the University of South Florida, where she later served as chief. Following her academic journey, she joined the University of South Florida as an Assistant Professor in Pediatrics, primarily working at the Rothman Center of Neuropsychiatry. Dr. Toufexis actively participated in various research studies, contributed to publications, managed a medication consultation phone line for pediatricians, and supervised resident doctors.

Allison Kennel - Besselieu

Allison Kennel-Besselieu

Psychiatric NP

Allison Kennel-Besselieu is a Psychiatric Nurse Practitioner who joined Dr. Toufexis in 2020.

She completed a Bachelor of Science in Nursing from the University of Virginia, a Master of Science in Nursing as a Pediatric Nurse Practitioner from the University of South Florida, and a Post-Master’s Certificate as a Psychiatric Mental Health Nurse Practitioner from Florida State University.

Andrea Esch

Andrea Esch


Dr. Andrea Esch is board certified in anesthesiology, acute pain management, and hospice and palliative medicine.  She is seeing current patients for medical mariuana and has a strong interest in women's sexual health. Dr. Esch is Now offering the state of the art Stellate Ganglion Block for PTSD and menopause. A stellate ganglion block is an injection of local anesthetic (numbing medicine) to block the sympathetic nerves located on either side of the voice box in the neck.

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Mary Katherine Charles


Mary Katherine Charles is a Physician Assistant who graduated from Nova Southeastern University in 2013. She was born and raised in southwest Virginia and attended the University of South Carolina for her undergraduate degree in experimental psychology. She moved to South Tampa when she married her husband and together they have 3 young children. She loves the Tampa Bay area and is grateful to have made a career caring for the community.

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Tara Marbrey


Tara Marbrey LPN: Tara is a Licensed Practice Nurse (LPN) with a special focus on psychiatry. She answers patient phone calls, emails, text messages She is your point of contact for scheduling new patients as well as follow-up visits.