MENTAL HEALTH CARE AT YOUR FINGERTIPS
Serene Behavioral Healthcare
At Serene, our psychiatrists, psychologists, and mental health specialists offer diagnostic evaluations, medication management, therapy, and counseling for children, adolescents, adults, and older adults in New Hampshire and Massachusetts.
Meet Dr. Pereira
Board-certified in Child & Adolescent Psychiatry, Dr. Pereira brings a warm, personalized approach to every patient.
Conditions We Treat
Anxiety, depression, ADHD, autism, OCD, PTSD, LGBTQ+ related issues, and substance use – evaluated with care.
Insurance We Accept
We accept Medicare, Medicaid, and most major private plans, including Blue Cross Blue Shield, Aetna, and Cigna.
Meet Dr. Pereira
Board-certified in Child & Adolescent Psychiatry, bringing a warm, personalized approach to every family he treats
Conditions We Treat
Anxiety, depression, ADHD, autism, OCD, PTSD, LGBTQ+ related issues, and substance use — evaluated with care.
Insurance We Accept
Medicare, Medicaid, and most major private plans, including Blue Cross Blue Shield, Aetna, and Cigna.
why choose us
Dr. Lionel Pereira
Serene is headed by Dr. Pereira, a Board-Certified Child & Adolescent Psychiatrist who treats every child and family with genuine care and compassion.
He’s a member of the American Academy of Child and Adolescent Psychiatry, the New England Council of Child and Adolescent Psychiatrists, the American Psychiatric Association, and the New Hampshire Psychiatric Society — bringing both deep clinical expertise and a gentle, listening ear to every visit.
- Child & Adolescent Psychiatry
- Medication Management
- Diagnostic Evaluations
- Therapy & Counseling
- In-Person & Virtual Care
- Ages 2–18
Our Services
Conditions We Treat
Anxiety
We help children, teens, and adults manage worry, fear, and stress so they can feel calm, confident, and back to being themselves.
Depression
Compassionate care to help people of all ages work through sadness, low motivation, and hopelessness toward brighter days.
Post-Traumatic Stress Disorder (PTSD)
Trauma-informed care to help children, teens, and adults heal from difficult experiences and feel safe again.
Autism
Personalized care that supports communication, behavior, and daily life for children on the autism spectrum.
Obsessive Compulsive Disorder (OCD)
Effective treatment for intrusive thoughts and compulsive behaviors, helping people of all ages regain a sense of control.
ADHD
Support for focus, impulsivity, and hyperactivity, with strategies that help kids thrive at home and in school.
LGBTQ+ Related Issues
A safe, affirming space for LGBTQ+ youth to talk openly and get the support they deserve.
Medication Assisted Treatment (MAT)
Understanding, judgment-free support for teens & adults navigating substance use, with a path toward healthier choices.
LOOKING FOR SUPPORT?
Support for You or Your Child, When You Need It Most
Whether you’re navigating anxiety, ADHD, autism, or something harder to name, either for yourself or your child, our team is here to help. Reach out today with your questions, we’re here to guide you through the next step.