Welcome to the GPPA Directory of members, organized by office location.  Please note that GPPA itself, does not employ any therapists nor do we provide therapy or psychological services.


Dr. John Carosso, Psy.D.

Licensed Child Psychologist

Certified School Psychologist

I work as a child psychologist with over 30 years experience in evaluating and treating children with autism, ADHD, Behavioral and Emotional difficulties, and learning problems.

Specialties: Childhood Autism; ADHD; Behavioral and Emotional Disorders; Dyslexia

Phone Number: 412-372-8000

Website: www.helpforyourchild.com

Office Locations: Monroeville, McCandless Township, South Hills, Greensburg, and Monessen.


Joseph F. Cvitkovic, Ph.D, PC

Psychotherapy practice for problems such as depression, anxiety, PTSD, addiction, hypnosis, and mind-body medicine with specific focus on medical problems with psychological components, stress, couples counseling, grief therapy.  The practice is in Mt. Lebanon, South Hills of Pittsburgh.

Specialties: Addictions Treatment Certification by the American Psychological Association, Pain Management Training, Individual, Couples and Family Therapy, Certified Consultant by The American Society of Clinical Hypnosis.

Issues:  Anxiety, Depression, Addictions, Pain Management, Stress and Post Traumatic Stress Disorders, Psychological Aspects of Chronic Medical Conditions, Couples and Family Problems, Grief reactions.

Phone Number: 412-531-2225     FAX: 412-429-8323


Rex Gatto, Ph.D.

Rex P. Gatto, Ph.D. is founder and president of Gatto Associates, LLC (GA) located in Mt Lebanon. He is a Cognitive Behavioral Therapist and workplace coach.  Dr. Gatto’s practice has been dedicated to helping people in the workplace improve productivity through a better understanding of themselves and learning to adjust to workplace demands. He specialized in anxiety and helping people to cope with every day issues, workplace and family pressures

Specialties: Cognitive Behavioral Therapy, Anxiety and Workplace Issues.  Board Certified Business Coach

Phone: (412) 344-2277

Website: www.rexgatto.com

Bruce Sorkin, Ph.D.

Dr. Sorkin has been in practice since 1986.  He maintains a private practice in the South Hills area of Pittsburgh.  Dr. Sorkin works with people with anxiety disorders and this includes people with fears/phobias, post-traumatic disorders, and generalized anxiety.  He also treats patients with medical disorders including pain, balance/acoustic disorders, headache and other ailments.  Dr. Sorkin works using mindfulness meditation, clinical hypnosis and both cognitive and supportive therapies

Specialties: Pain Management, Anxiety Disorders

Phone: (412) 344-5941

Website - doctorsorkin.com 

Peter C. Zubritzky, Ph.D., LLC,

Licensed Psychologist

I am a in solo practice serving all ages, families and couples and not associated with any medical practice.  I've been in practice for over 20 years.  My focus is cognitive-behavioral therapy where the client is an active participant in the counseling process.  I accept most insurances.  The first step in getting help is making an appointment for an evaluation.

Specialties: Therapy for children, adults, families and couples; ACT120 testing for law enforcement employment and police academy, ACT 235 Lethal Weapon Testing

Phone: (412) 331-1159

Website: www.onlinedrz.com