At the Anxiety & OCD Center

anxiety & ocd center Brigette A. Erwin, PhD

Founder and Director

Dr. Erwin is a licensed clinical psychologist, speaker, and author, recognized nationally for her contribution to evidence-based treatment of anxiety and related disorders. Dr. Erwin founded the Anxiety and OCD Center to deliver effective treatment to children, adolescents, adults, couples, and families affected by anxiety and related disorders. Through Dr. Erwin Consulting, she provides training to corporations and individual corporate clients. Dr. Erwin also trains other mental health professionals in evidence-based treatment.

Dr. Erwin is Public Relations Chair of the Philadelphia Behavior Therapy Association, on the conference review committee of the Anxiety and Depression Association of America, and on the Saint Charles Borromeo Seminary Archdiocese of Philadelphia Admissions Board.

Dr. Erwin received her Ph.D. from Temple University and completed a National Institute of Mental Health postdoctoral fellowship at the University of Pennsylvania School of Medicine, Department of Psychiatry. Dr. Erwin has since served as Director of the OCD Program at the Anxiety and Agoraphobia Treatment Center, and Associate Director of the Adult Anxiety Clinic of Temple University. The quality of Dr. Erwin’s work and her dedication to the study and treatment of the anxiety disorders has been recognized with awards from the Anxiety Disorders Association of America, the National Institute of Mental Health, the Medical University of South Carolina, Temple University, and Boston College.

She is honored as a 2017 Woman of Influence (Main Line Today).

anxiety & ocd center Erin L. Roemer, PsyD

Assistant Director

Dr. Roemer is a licensed clinical psychologist with expertise in providing evidence based treatment to children, adolescents, adults, and families with anxiety, depression, and related disorders. Dr. Roemer is trained in cognitive-behavioral therapy (CBT), exposure with response prevention (ERP), dialectal behavioral therapy (DBT), and acceptance and commitment therapy (ACT). Dr. Roemer is highly skilled in providing comprehensive psychological testing and evaluations. She has given numerous national presentations on evidence based practices at the Association for Behavioral and Cognitive Therapies (ABCT) and National Association of School Psychology (NASP) conferences.

Dr. Roemer serves as an adjunct faculty member at Kean University, teaching courses in childhood and adolescent development, psychological testing and measurement, and statistics to undergraduate and graduate psychology students.

Dr. Roemer received her Psy.D. in Combined Clinical and School Psychology and Master’s degree in Educational Psychology from Kean University. She is a certified School Psychologist in New Jersey and is working towards obtaining her Educational Specialist Certificate for School Psychology in Pennsylvania. Dr. Roemer completed her postdoctoral fellowship at The Anxiety and OCD Center.

anxiety & ocd center Bridget Hirsch, PsyD


Dr. Hirsch is a licensed clinical psychologist with extensive experience in the diagnostic assessment and evidence-based treatment of individuals across the lifespan affected by anxiety, obsessive compulsive disorder, depression, and other social, emotional, and behavioral disorders. Dr. Hirsch completed her post-doctoral fellowship at the Anxiety and OCD Center and received specialty training in the treatment of OCD using Exposure with Response Prevention at the Center for the Treatment and Study of Anxiety at the University of Pennsylvania . She is also experienced in cognitive-behavioral treatment (CBT), dialectal behavioral therapy (DBT), and acceptance and commitment therapy (ACT), as well as trauma-focused CBT, parent-child interaction therapy, parent management training, and mindfulness-based interventions.

Dr. Hirsch received her Psy.D. and completed an American Psychological Association accredited pre-doctoral internship at the Philadelphia College of Osteopathic Medicine (PCOM). During her education at PCOM, she also received specialized training in the treatment and assessment of pediatric anxiety disorders at the Child and Adolescent Anxiety Disorders Clinic (CAADC) of Temple University. Dr. Hirsch received her Master’s degree in Counseling Psychology from Boston College. She also participates in local and national professional organizations such as the Philadelphia Behavior Therapy Association and the Anxiety and Depression Association of America.

anxiety & ocd center Deepa Patel, PsyD

Psychology Resident

Dr. Patel is a psychology resident with experience in evidenced-based treatment of children, adolescents, adults, and families affected by anxiety, depression, and related disorders. She has training in cognitive- behavioral therapy (CBT), dialectical behavioral therapy (DBT), exposure and response prevention (ERP), and trauma-focused CBT. Dr. Patel has also accrued experience in providing comprehensive psychological assessments.

Dr. Patel received her Psy.D. in Clinical Psychology from Marywood University and completed an American Psychological Association accredited pre-doctoral internship at Penn Medicine Prince House Behavioral Health, with a focus on treating individuals struggling with eating disorders, post-traumatic stress disorder, and substance abuse. She earned a Master’s degree in Mental Health Counseling from New York University and is also a Licensed Associate Counselor in New Jersey. She is completing her post-doctoral fellowship at the Anxiety and OCD Center.

anxiety & ocd center Susanna Francies, PsyD


Dr. Francies is a licensed clinical psychologist with expertise in the areas of assessment and treatment of anxiety disorders. She has worked with children and adults for over 15 years. Dr. Francies is trained in the use of empirically supported treatments, including Cognitive Behavioral Therapy (CBT), Acceptance and Commitment Therapy (ACT) and Dialectical Behavior Therapy (DBT).

Dr. Francies has served as adjunct faculty at La Salle University and Montgomery County Community College. She has also presented on issues related to mental health and assessment of immigrants at the American Immigration Lawyer Association, Philadelphia Chapter; the Mennonite Central Committee Immigration Legal Resource Center and the Philadelphia Immigration Evaluation Resource
Group. She was the 2016 Light of Liberty Volunteer of the Year award winner from the Pennsylvania Immigration Resource Center.

Dr. Francies received her masters and doctoral degrees from La Salle University in Clinical Psychology. She completed her postdoctoral fellowship at the Children’s Crisis Treatment Center in Philadelphia.

anxiety & ocd center Marisa Nuñez, PsyD

Psychology Resident

Dr. Nunez is a psychology resident with experience working with children, adolescents, adults, couples, and families affected by Generalized Anxiety Disorder, Major Depressive Disorder, Post-Traumatic Stress Disorder, Attention-Deficit/Hyperactivity Disorder, Borderline Personality Disorder, and Adjustment Disorder. She is trained in evidenced-based treatments including cognitive behavioral therapy, motivational interviewing, and acceptance and commitment therapy. Dr. Nunez also has training and experience working with health psychology and minority populations.

Dr. Nunez earned her Psy.D. in Clinical Psychology from the Philadelphia College of Osteopathic Medicine (PCOM) and completed an American Psychological Association accredited pre-doctoral internship at the Center for Brief Therapy at PCOM, with focused experience treating anxiety, depression, ADHD, and other disorders occurring in adolescents and adults, including students from various graduate programs within PCOM. Dr. Nunez has experience in providing comprehensive neuropsychological assessments. She earned a Master’s degree in Marriage and Family Therapy from La Salle University.

anxiety & ocd center Eric Swiech, BA

Counseling Fellow

Eric Swiech, BA is a counseling fellow at the Anxiety and OCD Center. Eric began as a counseling intern in May, 2019. Eric has over five years of experience working in a variety of settings with children, families, and school professionals. Through Dr. Erwin Consulting, Eric consults with multi-disciplinary organizations to teach evidence-based interventions. Eric also provides interventions to children, adolescents, and adults with anxiety, OCD, autism spectrum disorder, emotional and behavioral disorders including ADHD and impulsivity, depressive disorders, and trauma. He is trained in cognitive-behavioral therapy (CBT), exposure with response prevention (ERP), and motivational interviewing. Eric is particularly skilled at building rapport and trust with clients and families, and collaboratively implementing practical solutions and concrete goals.

Eric received a Bachelor’s of Arts in Psychology from Saint Joseph’s University, and in May of 2020, Eric will have earned his Masters of Education in School and Mental Health Counseling from the University of Pennsylvania.

anxiety & ocd center Mallory Inselberg, BA

Psychology Intern

Mallory Inselberg, B.A. is a psychology intern at the Anxiety and OCD Center. Mallory has experience delivering intensive therapeutic services to children and adolescents with emotional and behavioral disturbances in a school setting and at a therapeutic social skills summer camp. Mallory has experience treating children and adolescents with Autism Spectrum Disorder, Attention-Deficit Hyperactivity Disorder, Obsessive-Compulsive Disorder, and Anxiety Disorders. She is trained in psychological and psychoeducational assessments through a graduate assistantship in the Testing Center at Immaculata University.

Mallory earned her Bachelors of Arts degree in Psychology at Monmouth University. She is currently enrolled at Immaculata University, pursuing a Doctorate in Clinical Psychology. She was recently board certified by the Behavior Analyst Certification Board as a Registered Behavior Technician, providing daily services to a student with autism spectrum disorder and obsessive-compulsive disorder.

anxiety & ocd center Natalie Palermo, MA

Psychology Intern

Natalie Palermo, M.A. is a psychology intern at the Anxiety & OCD Center. Natalie has experience implementing behavioral interventions to behaviorally challenged and emotionally disturbed children in the school and home settings. Moreover, she has experience providing behavioral support and crisis intervention to individuals with acute, severe, persistent psychiatric disorders in an inpatient setting. Natalie is receiving specialized training in cognitive-behavioral treatment of anxiety disorders, obsessive-compulsive disorder, and related disorders. Natalie is trained in neuropsychological, personality and IQ assessments.

Natalie earned her Bachelors of Science degree in Behavioral Science and a Master of Arts in Clinical Psychology from Immaculata University. She is currently enrolled at Immaculata University, pursuing a Doctorate in Clinical Psychology. 

anxiety & ocd center Susan Hamilton

Business Manager

Susan Hamilton has worked in the health care industry for more than 10 years, assisting physicians and surgeons locally and nationally with medical documentation. Susan joined the Anxiety & OCD Center as business manager in 2015.

Call for information or to schedule an appointment