Hanover
Photo of Cassie Kosarek, Psychiatrist, MD
Cassie Kosarek
Psychiatrist, MD
Photo of Cassie Kosarek, Psychiatrist, MD

Cassie Kosarek

Psychiatrist, MD (she, her)

Verified by Psychology Today Verified by Psychology Today
3 Lebanon Street, Suite 39, Hanover, NH 03755
Connect with Cassie Kosarek
Photo of Cassie Kosarek, Psychiatrist, MD
Welcome! Dr. Kosarek is a ABPN Board-Certified psychiatrist in Hanover, NH who treats adults ages 16 and up. She is licensed in both NH and VT and primarily provides diagnostic evaluations and ongoing psychiatric medication management for a variety of mental health conditions. She seeks to understand her patients as whole people, taking into account context, personality, strengths, relationships, and interests alongside psychiatric symptoms to develop treatment plans that best fit her patients' goals and values.
While Dr. Kosarek has special interests in transition-age youth and trauma, she welcomes patients with other mental health challenges, including depression, anxiety disorders, bipolar spectrum disorders, psychotic disorders, eating disorders, adjustment disorders, and ADHD.
If you are struggling with mental health symptoms and interested in discussing medication, or if you are looking to transition care to a new psychiatrist, Dr. Kosarek invites you to reach out to her today.
Take the first step to help. Cassie Kosarek now

My Practice at a Glance

Available both in-person and online

3 Lebanon Street

Suite 39

Hanover, NH 03755 map
Initial Session Fee $450, Standard Visit $250, I accept insurance 
Individual one-on-one therapy 
Connect with Cassie Kosarek
Photo of Cassie Kosarek, Psychiatrist, MD

My Practice at a Glance

Available both in-person and online

3 Lebanon Street

Suite 39

Hanover, NH 03755 map
Initial Session Fee $450, Standard Visit $250, I accept insurance 
Individual one-on-one therapy 

Finances

Fees

  • Initial Session Fee $450
  • Standard Visit $250
  • Sliding scale: apply if you may be eligible

Insurance

  • Anthem
  • BlueCross and BlueShield
  • Carelon Behavioral Health
  • Out of Network
"
Dr. Kosarek is in-network with Blue Cross/Blue Shield/Anthem. She is the process of paneling with Cigna and Aetna. Please check back for updates on insurance if you have these carriers. She does provide a superbill for any out-of-network meetings.
Photo of Cassie Kosarek, Psychiatrist, MD
Cassie Kosarek
Psychiatrist, MD
with questions.
"
Dr. Kosarek is in-network with Blue Cross/Blue Shield/Anthem. She is the process of paneling with Cigna and Aetna. Please check back for updates on insurance if you have these carriers. She does provide a superbill for any out-of-network meetings.
Photo of Cassie Kosarek, Psychiatrist, MD
Cassie Kosarek
Psychiatrist, MD
with questions.

Qualifications

  • Verified by Psychology Today License: New Hampshire / 35234 Cassie Kosarek

    • Education and Years In Practice

  • In Practice for 5 years
  • Geisel School of Medicine at Dartmouth College, MD, Graduated 2021

    • Additional Credentials

  • License: State of Vermont Board of Medical Practice 042.0018707 / 2025
  • Board Certification by American Board of Psychiatry and Neurology
  • Degree/Diploma from University of Vermont Medical Center Residency in General Psychiatry / 2025
Photo of Cassie Kosarek, Psychiatrist, MD
Cassie Kosarek
Psychiatrist, MD
Feel free to ask about qualifications and training experience.
Photo of Cassie Kosarek, Psychiatrist, MD
Cassie Kosarek
Psychiatrist, MD
Feel free to ask about qualifications and training experience.

Specialties and Expertise

Expertise

  • ADHD
  • Anxiety
  • Bipolar Disorder
  • Borderline Personality (BPD)
  • Depression
  • Eating Disorders
  • Life Transitions
  • Medication Management
  • Mood Disorders
  • Obsessive-Compulsive (OCD)
  • Peer Relationships
  • Psychosis
  • Relationship Issues
  • School Issues
  • Suicidal Ideation
  • Thinking Disorders
  • Trauma and PTSD
  • Veterans
  • Women's Issues
Photo of Cassie Kosarek, Psychiatrist, MD
Cassie Kosarek
Psychiatrist, MD
Do these issues align with your needs?
Photo of Cassie Kosarek, Psychiatrist, MD
Cassie Kosarek
Psychiatrist, MD
Do these issues align with your needs?

Client Focus

Age

Adults

Participants

Individuals

Age

Adults

Participants

Individuals

Treatment Approach

Types of Therapy

  • Cognitive Behavioral (CBT)
  • Dialectical Behavior (DBT)
  • Trauma Focused
Photo of Cassie Kosarek, Psychiatrist, MD
Cassie Kosarek
Psychiatrist, MD
Ask about what different forms of therapy will be like.
Photo of Cassie Kosarek, Psychiatrist, MD
Cassie Kosarek
Psychiatrist, MD
Ask about what different forms of therapy will be like.

Location

Primary Location

3 Lebanon Street

Suite 39

Hanover, NH 03755

Email me

My website

Nearby Areas

Cities

Counties

Zips

Photo of Cassie Kosarek, Psychiatrist, MD
Cassie Kosarek
Psychiatrist, MD
Photo of Cassie Kosarek, Psychiatrist, MD
Cassie Kosarek
Psychiatrist, MD