Sarah Casey, LCSW, MSW, BA, Brookline, MA

About Sarah Casey

Focus areas

Addiction / Substance Abuse

Bipolar Disorder

Postpartum Anxiety

Anxiety

Depression

Postpartum Depression

Bereavement / Grief Counseling

Gender Affirming Counseling

Clientele seen

Children (<13)

Adults (25-64)

Teenagers (13-17)

Seniors (65+)

Young adults (18-24)

Individuals

Treatment approaches

Cognitive Behavioral (CBT)

Mindfulness-Based (MBCT)

Identity

Gender

Female

Languages spoken

English

Getting to know Sarah Casey

Sarah Casey, LMSWC, supports individuals and families across Massachusetts through evidencebased, compassionate mental health care. She helps clients manage and heal from a wide range of challenges including trauma, substance use concerns, and mood disorders. Whether working with children, adolescents, or adults, Sarah creates a safe, affirming space that empowers growth and resilience. She offers individual, couples, and family therapy to meet clients where they are and support them in moving forward. Sarah specializes in treating PTSD and trauma, substance use issues, and anxiety. Her work is rooted in a traumainformed approach that respects each personâs lived experiences. She is particularly passionate about helping individuals understand how past trauma can affect presentday thoughts, emotions, and relationshipsâand how, with support, these patterns can be changed. Using therapies like Cognitive Behavioral Therapy CBT, Dialectical Behavior Therapy DBT, and mindfulness techniques, she guides clients through practical, actionable steps toward emotional wellness and stability. Sarah brings dedicated experience working with clients navigating cooccurring substance use and mental health diagnoses, as well as those within the LGBTQ community and individuals on the autism spectrum. She is especially drawn to supporting women experiencing postpartum anxiety or depression, and strives to reduce stigma around maternal mental health. Her holistic care also extends to grief, gender identity, and sleep concerns. She offers additional support beyond her core specialties based on individual needs. Outside of her clinical work, Sarah enjoys crocheting, reading, and writingâcreative outlets that deepen her sense of empathy and reflection. These personal passions enrich her therapeutic style and help foster deeper connection with her clients. Sarah proudly serves the Massachusetts community and is committed to making mental health care more accessible and affirming for all.

Is this doctor in your insurance network?

Enter your insurance carrier and plan

choose insurance

In-network insurances

Aetna

BlueCross BlueShield

Cigna

UnitedHealthcare

200+ more in-network plans

Popular visit reasons

Adjustment Disorder

Childhood Trauma

Depression

New Patient Visit

Postpartum Depression

Psychotherapy

Psychotherapy Intake / Initial Visit

Therapy

Adjustment Disorder

Childhood Trauma

Depression

New Patient Visit

Office location

Sarah Casey, LCSW, MSW, BA also offers online video visits for patients

1 Brookline Pl

1 Brookline Pl, Brookline, MA 02445

Get directions

Education and background

Practice names

LifeStance Health - Massachusetts

Education and training

University of Denver, Master's in Social Work

NPI number

1164135208

Patient reviews

Help Sarah Casey, LCSW, MSW, BA build an online reputation by being the first to leave a review after having an appointment.

Frequently asked questions

How soon can I make an appointment with Sarah Casey?

Generally, Sarah Casey has appointments available on Zocdoc within 1 week. You can see Sarah Casey's earliest availability on Zocdoc and make an appointment online.

Is Sarah Casey accepting new patients?

Sarah Casey generally accepts new patients on Zocdoc. You can see Sarah Casey's earliest availability on Zocdoc and schedule an appointment online.

Does Sarah Casey accept my insurance?

Choose your insurance plan to verify if Sarah Casey is in-network.

Can I make an appointment with Sarah Casey online?

Yes, you can make an appointment online with Sarah Casey using Zocdoc. It’s simple, secure, and free.

What practice does Sarah Casey work with?

Sarah Casey works with LifeStance Health - Massachusetts.

Where is Sarah Casey's office located?

Sarah Casey has 2 office locations in Brookline, view full addresses on Sarah Casey's profile.

What are common reasons for patients to see Sarah Casey?

Sarah Casey frequently sees patients for Depression, New Patient Visit, Psychotherapy, Psychotherapy Intake / Initial Visit, and Therapy. You can see other visit reasons for Sarah Casey on their profile.