Allyson Nguyen, Amy Grossman and Brittany Butler handle all inquiries regarding new appointments, follow-up appointments, prescription refills, payments and other

administrative matters.  

The administrative office is open 9am-5pm, Monday-Friday.  

Allyson Nguyen can be reached at

Amy Grossman can be reached at

Brittany Butler can be reached at

Please note all prescription refills may be left on our prescription voicemail line (ext. 103)

and will be processed within two business days.  General administrative questions may

be left on ext. 104 and will be answered within one business day.

Jeffrey Naser, MD

additional practices located within the building


Hannah Bookbinder, MSS, LSW, MEd                                                                                          

Educational Consultant, Licensed Social Worker

610-647-3959, ext. 107

Mark Dean, MFA, MA, ATR-BC, LPC

Art Therapist, Licensed Professional Counselor


Michelle Dean, MA, ATR-BC, LPC, CGP

Art Therapist, Licensed Professional Counselor


Tara Devineni, LCSW

Licensed Social Work Therapist


The practices listed above are not formally affiliated with Jeffrey Naser, MD and Associates.

allyson nguyen, Amy Grossman & Brittany Butler   Administrative Staff

Dr. Naser is board-certified in General Psychiatry and Child and Adolescent Psychiatry.  He attended medical school at the University of Michigan, completed his general psychiatry residency training at the University of Pennsylvania, and his child and adolescent psychiatry fellowship at Children's Hospital of Philadelphia.  He previously held an appointment with the University of Pennsylvania Department of Psychiatry and worked at The Children's Hospital of Philadelphia.  He has been in private practice since 1998.  Dr. Naser provides psychiatric evaluations and second opinions, medication management services and therapy.  He collaborates with a variety of psychologists and therapists in the community.

Dr. Naser is in the office Monday-Friday, and can be reached at ext. 101, or at

Meet our experienced clinicians and staff

and Associates

Copyright 2013. Jeffrey Naser, M.D.. All rights reserved.

Laura Weissflog is a licensed Family Psychiatric Nurse Practitioner and is board-certified in Child and Adolescent Psychiatric-Mental Health as a Clinical Nurse Specialist. Prior to joining Dr. Naser and Associates, Ms. Weissflog has practiced within outpatient community mental health, crisis-residential, acute crisis-diversion, day partial as well as intensive outpatient and private practice outpatient settings.  Ms. Weissflog enjoys teaching with the University of Pennsylvania Psychiatric MSN CRNP students.  Ms. Weissflog is accepting

new patients for psychiatric evaluations, second opinions and ongoing medication management.

Laura Weissflog is in the office every Thursday and two Mondays per month. She can be reached at ext. 202 or at

laura orsatti weissflog,CRNP  

​Family Psychiatric Nurse Practitioner

terry peura, crnp     Pediatric Nurse Practitioner

Child, Adolescent and Adult Psychiatrist

Christopher McGlinn, PhD

Licensed Psychologist, Certified School Psychologist

610-647-3959, ext. 109



Sam Scott


610-647-3959, ext. 201

Kim Zahlaway, LCSW

Licensed Social Work Therapist


Terry Peura is a licensed pediatric nurse practitioner.  He has been working with Dr. Naser

since 2005.  Prior to working with Dr. Naser, Mr. Peura worked in both inpatient and

outpatient psychiatric settings.  Mr. Peura provides psychiatric services for those under

the age of 21, including psychiatric evaluations, second opinions and medication


Terry Peura is in the office Mondays, Wednesdays, Thursdays and Fridays.  He can be

reached at ext. 102 or at

Our staff is knowledgeable, experienced and compassionate.  We care about you and strive to provide the highest level of professional care possible.  We make every effort to be accessible and responsive to your needs.