At Associates in Behavioral Diagnostics and Treatment, our staff may have varied backgrounds, but we are all united in our mission to help our clients. Our clinicians have a wide range of specialty training and experience to better help you and your family.
Amanda L. Pelphrey, Psy.D. is a clinical psychologist, licensed in PA, and the founder and co-owner of the group practice (AIBDT).
A graduate of Miami University (B.A.) & Indiana University of Pennsylvania (Psy.D.), Dr. Pelphrey is a Child Psychologist who specializes in psychological testing & diagnostics, child development and neurobehavioral disorders, including ADHD, anxiety disorders, autism spectrum disorders, infant/toddler developmental delays, language and cognitive impairments, learning disorders and Tourette's disorder. Dr. Pelphrey also has special interest in working with young adults with intellectual disabilities.
Dr. Pelphrey previously worked at United Cerebral Palsy in upstate NY, as well as at the Child Development Unit at Children's Hospital of Pittsburgh. She held adjunct teaching positions in child development (Wells College) and learning and behavior (Chatham University). She is published in preschool development literature (Developmental Behavioral Pediatrics, 4e , 2009). Dr. Pelphrey is a member of the Society for Developmental and Behavioral Pediatrics, Pennsylvania Association for Infant Mental Health, and the PA Psychological Association.
Andrew J. Ward, Ph.D. is a clinical psychologist, licensed in PA, and co-owner of the group practice. He specializes in adolescent and adult psychotherapy, substance abuse/addiction treatment, couples therapy, anxiety/depression and relationship issues.
A graduate of Duquesne University, Dr. Ward also has expertise in psychological evaluations and differential diagnosis with a wide range of behavioral and mental health conditions with children, adolescents, and adults, including anxiety, depression, conduct disorders, ADHD, and learning disorders as well as understanding and incorporating the role of personality and environmental factors on behavior and emotions. Dr. Ward is a member of the PA Psychological Association.
Holly Gastgeb, Ph.D. is a clinical and developmental psychologist who is licensed in PA. She is a graduate of the University of Pittsburgh, with over 10 years of experience diagnosing, assessing, designing and implementing interventions, and conducting research with individuals with autism spectrum disorder (ASD) from toddlerhood through adulthood.
Dr. Gastgeb is the licensed clinical psychologist for the Pitt Early Autism Study at the University of Pittsburgh and performs assessments for the Autism & Development Disorders Inpatient Research Collaborative (ADDIRC) Pittsburgh site at Western Psychiatric Institute and Clinic. She has presented her research at 14 national and international autism and child development conferences and published 9 research articles in top peer-reviewed journals.
Dr. Gastgeb is also the CEO of Rufus Robot, Inc., a virtual company that makes mobile applications for children with ASD and other learning differences.
Dr. Gastgeb provides psychological assessment services from early childhood to college age, including evaluations for ADHD, learning disabilities, and other emotional and behavioral difficulties. She also specializes in early diagnosis of ASD in infants and toddlers and adult ASD evaluations/diagnosis.
Dr. Gastgeb is a member of the American Psychological Association, Pennsylvania Psychological Association, International Society for Autism Research, and the Society for Research in Child Development.
Katie Stahler is a PA licensed psychologist and certified school psychologist. She is a graduate from Duquesne University, where she earned her M.S.Ed. in Child Psychology and Psy.D. in School Psychology. Dr. Stahler has experience working with preschoolers, children, adolescents, and young adults who are experiencing behavioral or emotional challenges. Current services provided include behavioral consultation, parent training, and individual or family therapy. Dr. Stahler also completes evaluations, including initial testing and diagnostics, psychoeducational, independent education evaluations, and BHRS (wraparound).
With a wide range of experience with children and their
families, Dr. Stahler is particularly skilled at working with individuals
presenting with challenging behaviors and dysregulated emotions. Her areas of experience include Autism
Spectrum Disorder, Attention Deficit Hyperactivity Disorder, Obsessive
Compulsive Disorder, Oppositional Defiant Disorder, and Anxiety Disorders. She utilizes an integrated therapeutic
approach, including Cognitive Behavioral Therapy, mindfulness, and behavioral
techniques. Dr. Stahler belongs to the
American Psychological Association and the Pennsylvania Psychological
Laura Artman, PhD, CRC is a licensed psychologist and a certified rehabilitation counselor. She obtained a Bachelor of Science degree in Psychology with minors in Business and Women's Studies at Penn State University. Dr. Artman completed her Master's Degree in Rehabilitation Counseling and Doctorate in Counseling Psychology at West Virginia University. During her internship at Oak Forest Hospital of Cook County, she practiced general psychotherapy in a community mental health setting and rehabilitation psychology in an inpatient rehabilitation hospital, with an emphasis on spinal cord injury and traumatic brain injury (TBI) for underserved populations on Chicago's south side. Dr. Artman gained further specialization in TBI on her fellowship at the TBI Model Systems at Virginia Commonwealth University. Work experience prior to AIBDT includes outpatient neuropsychological assessment and psychotherapy in Moon Township, and outpatient neuropsychological assessment in private practice/inpatient consultation at a Level I Trauma Center/Rehabilitation hospital in Langhorne, PA. Areas of specialization include neuropsychological assessment in adolescents and adults with brain injury, stroke, late effects of chemotherapy/radiation, multiple sclerosis, Parkinson's disease, seizure disorders, cardiac conditions, and dementia, among others. She also sees psychotherapy clients with TBI/Concussion and other neurological disorders.
Bryson Bresnahan, Ph.D., is a PA Licensed Psychologist and Certified School Psychologist. He graduated from Duquesne University in 2006, but began therapeutic work in 1997. Dr. Bresnahan has both experiences in clinical and school settings
as a therapist through WPIC, an evaluator for Auberle Child Services, and as the Supervisor of Psychological Services for the Pittsburgh Public Schools. Dr. Bresnahan was also an adjunct instructor for psychologist testing (Duquesne University) for 10 years.
Currently, Dr. Bresnahan provides psychological assessment services from early childhood to college age. Evaluations include diagnostic services for Autism, learning disabilities, ADHD, mood disorders, anxiety, and trauma. Dr. Bresnahan
has a particular interest in how traumatic experiences impact different populations, as well as how reading difficulties influence attention and anxiety conditions.
Dr. Bresnahan is currently a member of the PA Psychological Association and the Association of School Psychologists of Pennsylvania.
Sarah B. Bartko, MS, NCC, LPC is a licensed professional counselor who specializes in therapy with children, adolescents, and adults. Her expertise is in autism spectrum, tic disorders, behavior modification, parent training, and women's issues/depression.
Sarah is certified from the Behavior Therapy Institute (BTTI) for specialty treatment in Tourette's Disorder as well as in Obsessive Compulsive Disorder (OCD).
Christie Kelly, MA, NCC, LPC is a licensed professional counselor who specializes in therapy for children, adolescents, and adults, including expertise in autism spectrum, tic disorders, behavior modification, parent training, ADHD, Down Syndrome, and women's issues/depression.
Christie has had advanced training in functional behavior assessment and treatment planning.
Deborah Volek, MS, LPC
Deborah Volek, MS, LPC is a licensed professional counselor who specializes in counseling for adolescents, adults, and couples. She has a special interest in Christian counseling, as well as mood and anxiety disorders.
Daria Minton, MS, LMFT is a licensed marriage and family therapist. As a graduate of Northwestern University, she has extensive experience treating individuals, couples, children and families.
She uses a brief, systemic, and integrative approach that addresses people in the context of relationships. She has specialty training as a Gottman Seven Principles Program Educator as well as Gottman Bringing Baby Home Program Educator.
Libreta Turner, MS, NCC, LPC is a licensed professional counselor who specializes in therapy for children, adolescents, and adults with expertise in the treatment of obsessive compulsive disorder, including treatment of OCD in children with autism.
She has over 3 years of experience with the OCD Intensive Outpatient Program at Western Psychiatric Institute & Clinic and has completed in-depth training workshops with the IOCDF Training Institute (BTTI) and the Beck Institute for cognitive behavioral therapy. In addition, she has experience with treatment of focused repetitive behaviors, behavior modification, emotion regulation and anxiety disorders.
Tammie Barkus, LCSW is a licensed clinical social worker and certified drug and alcohol counselor. She specializes in therapy for children, adolescents and adults.
Tammie has over 10 years of experience in autism spectrum disorders, ADHD, anxiety, depression, mood disorders and dual-diagnosis. She has had advanced training in functional behavior assessment and is proficient with the development and implementation of behavioral interventions.
Daniella Parrish, MSCP, LPC, LBS is a licensed professional counselor and a licensed behavioral specialist. She has expertise in providing therapy services from early childhood to adults, including individual as well as couples and family therapy.
She has over 5 years of experience in autism spectrum disorders, intellectual disability disorder, ADHD, anxiety, depression, mood disorders, oppositional defiance, disruptive behaviors and group therapy. She has had training in functional behavior assessment and applied behavioral analysis. She has extensive experience with the development and implementation of behavioral interventions, as well as providing parent training for improving behavioral management strategies.
Amit Fenton, MS, LPC, NCC is a licensed professional counselor who has expertise in working with children, adolescents, and adults who possess a wide range of needs and strengths. These include autism spectrum disorders, ADHD, anxiety, depression, OCD, trauma, grief and loss, and family relationships.
Amit has been providing individual and family therapy for over 8 years across multiple settings and has a strong interest in helping individuals fulfill their goals and reach their full potential.
Robert Ryan, MSCP, LPC, NCC is a licensed professional counselor who specializes in the treatment of children, adolescents, and families. Robert earned his Master of Science in Counseling Psychology from Chatham University and attended Penn State University for his undergraduate studies in psychology.
His expertise is in trauma, mood disorders, disruptive behavior, and anxiety. Robert is certified in Trauma-Focused CBT and has utilized a number of therapeutic modalities including traditional CBT, Mindfulness Therapy, and Play Therapy. More recently, Robert has developed a therapeutic curriculum for children that will be utilized in five intensive outpatient clinics within the next three years.
Robert has worked in tandem alongside psychiatrists, as well as, other mental health and physical health professionals to better serve his clients within school, residential, and outpatient settings.
Katy Miller is a licensed professional counselor who has extensive experience providing psychotherapy to adults, couples, children and families. Katy's clinical interests include perinatal psychology (infertility, pregnancy, birth, adoption, adjustment to parenthood), depression, anxiety, relationships, couples therapy, trauma, life transitions, multicultural issues, emerging adulthood, and parent/child conflict.
Katy offers a collaborative and relational approach to psychotherapy, taking an integrative stance that draws on systemic principles and incorporates emotionally focused therapy, attachment therapy, and eco structural family therapy, as appropriate for each individual. Katy provides a non-judgmental environment where patients can safely explore the challenges that have arisen in their lives, with the aim of creating greater understanding and meaning, decreasing distress, and identifying and changing maladaptive patterns.
Gretchen is a licensed professional counselor who is also distance counseling certified.
Gretchen received her undergraduate degree in psychology at Edinboro University and went on to complete her graduate work at Gannon University where she received her Master’s level training in Community Counseling.
Specialties include working with children, adolescents, adults and families to improve areas concerning anxiety, depression, improving relationships with formal and informal supports, parent education, behavior modification, self-image, and family systems work.
Gretchen has over 15 years of experience within the helping field and shares a well-rounded approach to her counseling style due to her multi-faceted work including: partial hospitalization, residential treatment, wrap-around, therapeutic recreation, school-based therapy, multi-systemic therapy, family based, outpatient and private practice.
Heather Massolini, MS, LPC, NCC has had over 15 years of experience working with children in a wide variety of settings including residential treatment, wraparound and outpatient. Heather’s clinical interests include trauma, anxiety, depression, transitional issues and mood disorders. She received her undergraduate degree from Duquesne University in Psychology and Studio art and then received a Master’s of Science in Professional Counseling from Carlow University. She uses person centered talk/play therapy and incorporates traditional modalities of therapy including CBT and DBT to develop an individualized and eclectic therapeutic approach to treatment.
As a Licensed Professional Counselor, Michelle supports and guides individuals, children, adolescents, teens and families through personal hardships. Michelle offers a warm, safe and compassionate environment, and tends to be very person-centered in her counseling approach but also uses Solution-Focused and Cognitive Behavioral Therapy approaches. Michelle believes caregivers are the experts in providing insight into their family and simply bringing light to their own expertise.
In family therapy with children, Michelle offers sessions individually with the child in conjunction with individual sessions with caregivers and together as a family. Michelle has been working with children and families for 15 years and specializes in behavior modification, ADHD, adjustment, domestic adoption/foster care and general family disruption. Michelle has 8 years of experience in the public school setting and is comfortable in guiding families through various school challenges they may be facing with their child.
Michelle works with children with dual diagnoses, trauma and grief and loss issues. She believes we all have the ability to overcome struggles and lead a satisfying life. Michelle's ultimate goal is to ignite the power in her clients to be life-long problem solvers, overcomers and masters of their own destinies.
Heidi Stelzig, MSEd., LPC
Heidi Stelzig, LPC is a Licensed Professional Counselor who earned her Master's Degree in Clinical Counseling from the University of Dayton. She earned her Bachelor's Degree in Psychology from Otterbein College and started her academic accomplishments by earning and Associate's Degree in Mental Health/Chemical Dependency/Mental Retardation from Columbus State Community College.
Ms. Stelzig has been in the counseling profession for 23 years. Her clinical experiences include individual and group work with children, adults, couples and families. She has extensive experience in treating children and adults in a variety of settings including Outpatient Private Practice, Behavioral Health Rehabilitative Services, Foster Care, Juvenile Correctional Facilities, Group Homes, Partial Hospitalization, and Intensive Care.
Ms. Stelzig offers client-centered and cognitive behavioral therapy to adults. In her work with children, she utilizes the relationship, play therapy, behavior modification, and partnering with parents to help children overcome behaviors, thoughts, and emotions that interfere with emotional, social, and academic functioning. Her focus with parents includes offering emotional support and the teaching of positive parenting skills. Parents may be requested to join in the play which will enable them to learn esteem enhancing techniques and ultimately help sustain their child's growth. Active participation between sessions often aids children and families to reach optimal growth and success. Therefore, "homework" may be assigned and celebrated. Ms. Stelzig believes that children are best served by their team of family and professionals. To that end, collaboration is key.
Brittney is a nationally rostered Child Parent Psychotherapist (CPP), an intervention for children and parents who have experienced trauma. Brittney enjoys utilizing this therapeutic approach to help children and their caregivers work through both shared and individual traumatic experiences in a way that enhances feelings of attachment and strengthens the bond between parent and child. Additionally, Brittney is trained in Parent Child Interaction Therapy (PCIT) and currently working towards certification.
Nicholas is a licensed professional counselor who works with adolescents, individuals, couples, and families. Nicholas focuses on providing therapy to individuals struggling with depression, anxiety, anger, grief, spirituality, routine and lifestyle management, sexuality, and interactions with others. Additionally, Nicholas offers therapy services geared toward assisting and advocating for the LGBTQAI+ community.
Nicholas utilizes a humanistic approach to therapy that promotes coping through discovering and developing personal meaning in stressful situations, establishing healthy coping skills based on the strengths of the individual, and using realistic methods that can translate into long-term solutions.
Nicholas strongly emphasizes working together with individuals as a team and incorporating humor and a calm, down-to-earth, interactive style that provides the emotional support needed to assist in meeting your mental health goals. Nicholas's theoretical orientation aligns with Person-Centered therapy, Reality Therapy, Logotherapy, and is grounded in Choice Theory.
Danielle Sandusky, MS, LPC is a licensed professional counselor with over 13 years of experience in an Outpatient setting. Danielle worked for multiple large community health centers seeing a wide spectrum of clientele, including children, adults, chronic and persistent mental health issues, and couples/families.
Danielle employs a number of techniques, such as cognitive-behavioral therapy, strength based, client centered, and eclectic therapy orientations.
When not at work, Danielle enjoys spending time with family and friends, cooking, spoiling pets, traveling, and seeking out good restaurants.
Fax Number: 412-262-1555