Meet Our Team

Samantha Calcaterra

RD, LDN - Nutritionist

River Dowdy

PLPC, NCC - Therapist

Jeremy Szuba

CRADC, PLPC, Therapist

Aaron Riley

Admissions Director

Born and raised in Southern California, Aaron began his career in healthcare with Kaiser Permanente

Dr. Abraham Medaris, MD

Medical Director/Psychiatrist

Dr. Abraham Medaris is a St. Louis native who has dedicated his career to advancing mental health care in his community.

Sarah Riley

Director of Business Operations

Sarah Riley serves as the Director of Operations and Business Development for Birch Tree.

Gayla Downey

Holistic Wellness Coach

Gayla Dowdy is passionate about recovery. Her own recovery journey has inspired her to pursue the study of holistic healing modalities.

Andrew Shapiro, LPC, NCC, M.Ed

Clinical Director

Andrew Shapiro is the Director of Clinical Services for Birch Tree Recovery. Andrew chose the field of clinical mental health counseling during the midst of his own therapeutic journey.