Western Pennsylvania
Psych Care

Outpatient Therapists

Dr. Joseph E. Peters, PsyD

Matthew Maurer, LPC

Victoria Phillippi, LPC

In addition to his clinical work, Dr. Peters has extensive teaching and supervisory experience in the training of future clinicians and is a professor emeritus of graduate counseling at Geneva College.  He has over 40 years of professional experience; is board certified in clinical psychology; is an approved clinical supervisor; has over 50 presentations and publications; and has served as co-ordinator of an interdisciplinary pain management program, chair of the research and development program, director of clinical psychology training, and president of the medical staff at the Lebanon VA Medical Center.  Dr. Peters' clinical practice utilizes an eclectic, individualized, and personalized orientation and addresses the full spectrum of psychological conditions with particular emphasis on anxiety, depression, trauma and coping with chronic medical illness. *Dr. Peters is currently not accepting new patients.*

Victoria is a US Army combat veteran that served eight years active duty as a combat medic and a flight medic.  She received her Bachelor of Science in Sports and Health Sciences from American Military University.  She then received her Master of Science in Counseling Psychology from Chatham University.  Victoria is the Western PA Psych Care agency director and clinical director for the  outpatient clinic, the school-based programs, and the IBHS program.  She is a Licensed Professional Counselor (LPC), a Nationally Certified Counselor (NCC), and a Level-II Certified Clinical Trauma Professional (CCTP-II).  Victoria specializes in anxiety and depression disorders, mood disorders, trauma, and PTSD counseling for both civilian and veteran/military individuals.   Victoria accepts Optum, Highmark, Aetna, UPMC, Beacon, Cigna, United Healthcare, and MA/BHO. 

Rose Colatriano, LCSW

Jennifer Winston, MA

Jennifer earned her BS in Psychology from Penn State University and MA in Counseling  from Slippery Rock University. She provides therapy in our outpatient clinic and also serves in our IBHS program as a BC.  Jennifer has been working at WPPC for 16 years now. Her treatment focus is CBT and DBT  for Anxiety, Depression ,  Adjustment Disorders. She also has a special interest in working with the LGBTQ population. Jennifer accepts medical assistance insurance and is currently taking new patients.

Susan Hughston-Roberts, LCSW

Susan is a licensed clinical social worker (LCSW). She graduated with her bachelor's and master's degree in social work from the University of Pittsburgh. Susan has been serving patients in outpatient practice for the past 8 years. She accepts most major insurances, Medicare and Medicaid. 

Timothy Evers, 
MEd.

Valerie Grabowski, LCSW

Dianna Stafford,
MA

Tim is an outpatient therapist working with WPPC for 18 years now. He has over 35 years of experience working in the human services field. He specializes in therapy with clients with High Functioning Autism, ADHD, Oppositional Defiant Disorder, and Parent-Child Relationship problems.  Tim also recently obtained a Sex Offender Treatment Provider Certificate through the International Trauma Training Institute (ITTI). Tim presently serves patients through outpatient therapy and School Based Behavioral Health therapy after having done Wrap-Around Services for over 15 years. Tim also is a supervisor and Community Liaison for WPPC working with multiple schools, agencies, and organizations. 

Valerie is a licensed clinical social worker (LCSW). She earned her master’s in Social Work is from the University of Pittsburgh, where she also worked as an outpatient therapist for Western Psychiatric Institute and Clinic.  Valerie has been in treating patients in private practice for 26 years.  She is passionate about helping people; she believes that each client possesses the capacity for personal growth, change, and has the right to be happy.  By helping clients realize obstacles to happiness and engaging them to actively work towards improvement, she has helped many people access their happiness within.  Valerie has experience working with all age groups, children to geriatric. 

Dianna is the newest addition to our outpatient staff. She has an associate's degree in education from CCBC, a bachelor's degree in psychology from Washington and Jefferson College, and a master's degree in counseling psychology from Geneva College. Dianna has worked as a Behavioral Specialist for Life Management and Northwestern Human Services where she developed Behavioral Treatment Plans for individuals with Autism and developmental disabilities. She taught in the Psychology department at Robert Morris University and Community College of Beaver County. Before joining WPPC, Diana had a private practice offering CBT for anxiety, marriage and family therapy, grief therapy, and depression.