76 Bedford Street, Suite 10
Lexington, MA 02420


Dr. Elizabeth Pierce

Treatment Areas and Expertise

I use evidence-supported treatments and techniques to address your concerns. This means that there is research to support the effectiveness of those treatments and approaches.

Obsessive-Compulsive Disorder
Body Dysmorphic Disorder

A large percentage of my practice is treating adults and older adolescents who have Obsessive-Compulsive Disorder (OCD), Body Dysmorphic Disorder (BDD), and related disorders. I have extensive training in the treatment of OCD, including the International OCD Foundation’s (IOCDF) BTTI1 and BTTI2 trainings, and years of experience treating OCD successfully. I use Cognitive-Behavioral Therapy (CBT), which includes cognitive restructuring and behavioral planning, exposure and response prevention (ERP), and mindfulness/acceptance techniques. Therapy includes exercises in the office (or in the community accompanied by me) and assigned homework tasks to facilitate progress. I recommend reading, written exercises, and other media as part of treatment. Family members are involved in sessions as needed.

Collaborative Problem Solving (Think:Kids approach)
Training for Parents

I work individually with parents of young children (typically below 7) who want to implement the Collaborative Problem-Solving approach (developed at Massachusetts General Hospital [MGH]), with their challenging children. I also run groups for parents (of kids of all ages) wanting to learn the CPS/Think:Kids approach. I have achieved the Certified Trainer credential from MGH in the approach, and I undergo a recertification process annually to keep my skills up to date. Also see

Depression, Anxiety, Life Stresses, Relationship Issues

In addition to the specialty areas, I see older teens and adults who are struggling with depression, other anxiety disorders, life transitions and stresses, and relationship challenges. CBT is used to reduce distress that you experience, including cognitive therapy, behavioral planning, and mindfulness approaches. In addition, when appropriate, I use Timothy Stokes’ 3-step approach to identify and re-work historical cognitive scripts that may be impeding progress in the present.

Feel free to contact me with any questions you may have.

Therapeutic Techniques

Cognitive Behavioral Therapy

Therapy focuses on changing the specific thoughts/cognitions that can fuel negative mood states. Therapy also focuses on changing specific behaviors that create difficulties for you so you can engage in more adaptive behaviors. There is structure to the therapy and often homework to do.


These include: training the mind to redirect attention, changing one’s relationship to one’s thoughts, increasing emotion and anxiety tolerance, and guiding behavior toward one’s values.

Collaborative Problem Solving
(Think:Kids approach)

Developed by Drs. Stuart Ablon and Ross Greene at MGH, this is a cognitive-behavioral model in which parents work with the clinician to identify “Problems to be Solved” involving their child. “Lagging thinking skills” are also identified. Then the parents are taught a series of steps for identifying parent and child concerns, and problem solving solutions. Specific daily problems are solved while improving the parent-child relationship and working on the child’s thinking skills. See for more information. Click here for more information about Dr. Pierce’s parent groups.

Exposure & Response Prevention

This is a technique used commonly for the treatment of OCD and fears/phobias. The client is exposed to a feared thought or situation and asked to refrain from a compulsive behavior or ritual, with the goal of reducing associated anxiety. We also build a toolbox for coping with anxiety and challenging situations.

Timothy Stokes’ 3-Step Approach

This approach identifies current maladaptive cognitive scripts, traces them back to early versions and their function at that time, and reworks the past and current scripts to allow a person more freedom in their current thinking and behavior. Outlined in the book What Freud Didn’t Know.


I believe in respecting the dignity, autonomy, and strength of everyone with whom I work. We are collaborators in meeting your therapeutic goals. In this partnership, you bring a wealth of information and insight about yourself, your family, or your child, as well as knowledge about what has worked and not worked for you in your efforts to make psychological change. I bring my professional expertise, including research-supported clinical tools and techniques, guidance about how to move forward and make changes, many years of clinical experience, and hopefully, a supportive, accepting relationship in which you can feel comfortable to express yourself. I come from a strong academic training background, and regularly update my knowledge and skills through reading, conference participation, consultation, and advanced trainings. Even though we might be working on a particular problem, such as anxiety, depression, OCD, or a child’s problem, I want to relate to you as the whole person that you are. 

I will inform you of all my policies, either in written or verbal form, and will always strive to respect your right to make choices at every step of the way. Choosing a therapist is an important matter, and I encourage people to look around and find a provider that feels like a good fit. Therefore, if you would like to come meet with me for an initial meeting to see if the fit is right, I am very open to that.

At the beginning, we do an assessment of your background and the issues, and we develop goals. At various points along the way, we do a re-evaluation of progress and goals, to make sure we are making progress toward the goals. This can be a conversation, or sometimes includes interviews and questionnaires. I am receptive, on an ongoing basis, to your feedback about how you feel therapy is going, and how I can be the best therapist for you.

Education, Training, and Credentials

B.A., Psychology
Barnard College, Columbia University

Ph.D., Clinical Psychology
University of Pittsburgh

Doctoral Internship
Schneider Children’s Hospital, Long Island Jewish Medical Center

Postdoctoral Research and Clinical Fellowship
Brown University

Family Therapy Intensive Training
Western Psychiatric Institute and Clinic, Pittsburgh, PA

Certified Practitioner and Certified Trainer
Think:Kids Approach (Collaborative Problem Solving) through MGH

Behavior Therapy Training Institute Graduate
(1st and Advanced Courses), International OCD Foundation

Licensed as Psychologist/Provider in MA since 1996
Previously licensed also in RI


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Dr. Elizabeth Pierce

Clinical Psychologist & Therapist

Monday – Friday: 9 a.m. – 6 p.m.




FROM 128/95 — Take exit 31A (Route 4/225) toward Lexington. Go about 1 mile on 4/225 (also called Bedford Street). 76 Bedford Street (Custance Place) is on the right.

HEADING WEST ON ROUTE 2 — Take exit 54B (Waltham Street, Lexington). Off exit, bear right on Waltham Street. Take left on Worthen Road, then left on Bedford Street. 76 Bedford Street (Custance Place) is immediately on the left past the Starbucks.

HEADING EAST ON ROUTE 2A — Turn left on Mass. Ave., left on Worthen Road, then left on Bedford Street.

FROM ARLINGTON — Go northwest on Mass. Ave., through Lexington center. At the town green, bear right onto Bedford Street. 76 Bedford Street (Custance Place) is .4 miles up on the left after the Starbucks.

ONCE YOU GET TO THE BUILDING:  Enter #76 Bedford, walk up to the second floor, and turn left down the long hallway.  There is also an elevator, in which case you take a right down the hall. Suite 10 is the door straight ahead of you – it says “Suite 10” on the door.  My office is right inside the door.

Ample free parking available.


Insurance & Fees

Insurance Plans Accepted:

          Blue Cross Blue Shield.

In addition, clients may be able to use out-of-network benefits for other plans.  This involves paying for the session at the time of visit, and then submitting an itemized receipt to your insurance company.

I am happy to work with you to optimize your coverage.
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