Judgment-Free, Evidence-Based Care

Medication Assisted Treatment (MAT)
in Manchester, NH

Most patients who come to us for treatment have already been judged enough. What they need is not another lecture. They need a provider who treats them with the same dignity given to any other patient walking through the door with a medical condition, because that is exactly what addiction is. That belief sits at the center of how we deliver Medication Assisted Treatment (MAT).

Your Care Team

Medication Assisted Treatment (MAT) at Serene Behavioral Healthcare is led by Shivani Pereira, NP, who has dedicated her career to addiction medicine since earning her Master of Science in Nursing in 2017. Her clinical background spans both inpatient and outpatient settings, and her approach is evidence-based, highly personalized, and built on a simple belief: compassionate, stigma-free addiction care should be the standard, not the exception. No lectures, no conditions attached to your care, just honest, expert treatment from a provider genuinely invested in your recovery. Meet our full team for complete provider bios and credentials.

Meet our full team for complete provider bios and credentials.

What We Treat

How We Approach Medication Assisted Treatment (MAT)

Every patient’s relationship with substance use is different, and treatment starts with an honest, judgment-free evaluation rather than a fixed protocol applied to everyone the same way.

Our approach typically includes:

Judgment-free clinical evaluation

We assess substance use history, co-occurring mental health conditions, and the patient's actual goals, without lectures or conditions attached to receiving care.

Individualized treatment planning

Depending on the substance involved, severity, and patient goals, treatment may include therapy, medication-assisted treatment, or both.

Medication-assisted treatment when appropriate

For conditions like opioid or alcohol use disorder, medication can significantly reduce cravings and support long-term recovery. We discuss options honestly and manage them closely.

Treatment for co-occurring conditions

Substance use very often exists alongside anxiety, depression, trauma, or ADHD. We evaluate for these directly, since treating one without the other rarely leads to lasting recovery.

Family guidance for adolescent patients

When a teenager is involved, we work with families on how to support recovery at home without shame or ultimatums that can push a young person further away.

Ongoing, low-barrier follow-up

Recovery is not linear, and setbacks do not mean starting over from a place of judgment. We stay engaged with patients through the full course of their recovery.

Signs That May Prompt an Evaluation

Substance use presents differently depending on age and circumstances, and it does not always look like what people expect.

Symptoms in Teenagers

In adolescents, families sometimes notice:

  • A sudden change in friend group, mood, or academic performance
  • Secretive behavior, missing curfews, or unexplained absences
  • Physical signs such as changes in sleep, appetite, or hygiene
  • Defensiveness or anger when substance use is brought up
Symptoms for Adults

In adults, this often looks like:

  • Using more of a substance, or using more often, than originally intended
  • Difficulty cutting back despite wanting to
  • Substance use interfering with work, relationships, or responsibilities
  • Continuing use despite knowing it is causing problems
  • Withdrawal symptoms when attempting to stop, which can be a sign that medical support is needed

If any of this sounds familiar, whether for yourself or someone you care about, reaching out for an evaluation is not an admission of failure. It is a reasonable next step.

Dr Lionel Pereira

Why Patients Choose Serene Behavioral Healthcare

Patients come to us because they want treatment, not judgment, and because they want a provider who has actually spent years in the room with people at their hardest moments.

Here is what sets our care apart:

Frequently Asked Questions

No. This is a core part of how care is delivered here. You will not be lectured, shamed, or asked to justify yourself before receiving help. The goal is an honest conversation about where you are and what kind of support will actually work for you.

Schedule an Evaluation

Whatever your story is and wherever you are in it, you deserve to be treated with empathy, dignity, and the highest quality of medical care.

Book an Appointment or Contact Our Office to get started.

Serene Behavioral Healthcare, 1045 Elm St, Suite 204, Manchester, NH 03101

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We're Here to Help

Have questions about care for you or your child? Reach out — our team is happy to talk through your options and next steps.