
Merrideth Leggat
Psychiatrist (she, her)
Verified by Psychology Today Verified by Psychology Today
100 Hightower Boulevard, Suite 200, Pittsburgh, PA 15205
Let's Connect (412) 214-0042

Dr. Merrideth Leggat is a board-certified psychiatrist practicing in Pittsburgh, PA. She earned her medical degree from the University of Virginia and completed psychiatry residency at Allegheny Health Network. During training, she developed expertise in interventional psychiatry, including TMS and ECT. She received AHN’s Excellence in Psychotherapy Award in 2018 and was later named Teacher of the Year. Dr. Leggat is passionate about advancing evidence-based care for treatment-resistant mental health conditions.
Dr. Leggat has led inpatient, outpatient, and intensive outpatient programs, and previously served as Physician Director of Interventional Services at a regional psychiatric group. She is skilled in TMS, intranasal esketamine, and IV ketamine for depression, anxiety, OCD, and PTSD. In 2023, she earned the Early Career Psychiatrist Award.
Now, Dr. Leggat serves as Director of the Nexus Interventional Psychiatry Center. She champions personalized mental health care through medication, psychotherapy, and advanced treatments like TMS, esketamine, and Ketamine Assisted Psychotherapy. She leads Nexus’s mission to offer innovative, integrative care in Pittsburgh.
Take the first step to help. Call Merrideth Leggat now - (412) 214-0042
Let's Connect (412) 214-0042

Finances
Payment Methods
American Express, Cash, Check, Discover, Mastercard, VisaInsurance
- Aetna
- Anthem
- Blue Cross
- Blue Shield
- BlueCross and BlueShield
- Capital Blue Cross
- Carelon Behavioral Health
- Children's Health Insurance Program (CHIP)
- Cigna and Evernorth
- Highmark
- Optum
- UnitedHealthcare UHC | UBH
- University of Pittsburgh Medical Center (UPMC) Hea

Merrideth Leggat
Psychiatrist
Check fees and, if listed, ask to verify your insurance coverage. (412) 214-0042
Qualifications
- Verified by Psychology Today License: Pennsylvania / MD423064 Merrideth Leggat
- In Practice for 17 years
- Board Certification by Psychiatry & Neurology, Obstetrics & Gynecology
Education and Years In Practice
Additional Credentials
Specialties and Expertise
Top Specialties
- Interventional Psychiatry
- Mood Disorders
- Depression
Expertise
- ADHD
- Anxiety
- Medication Management
- Stress
Client Focus
Age
Children (6 to 10) ,
Preteen ,
Teen ,
Adults
Participants
Individuals
Age
Children (6 to 10) ,
Preteen ,
Teen ,
Adults
Participants
Individuals
Treatment Approach
Types of Therapy
- Acceptance and Commitment (ACT)
- Cognitive Behavioral (CBT)
- Dialectical Behavior (DBT)
- Integrative
- Mindfulness-Based (MBCT)
- Motivational Interviewing
Location
Primary Location
The Nexus Group
100 Hightower Boulevard
Suite 200
Pittsburgh, PA 15205
(412) 214-0042Additional Location
The Nexus Group
5725 Forward Avenue
401
Pittsburgh, PA 15217
(412) 214-0042