Board-Certified Psychiatric Care in Andover, MA

Compassionate Mental Health Care, Tailored to You

Chandler Diffily, PMHNP-BC provides evidence-based psychiatric evaluation and medication management for adults navigating depression, anxiety, ADHD, and more — in-office and via telehealth.

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About Us

Personalized, evidence-based psychiatric care by Chandler Diffily, PMHNP-BC.

Chandler Diffily is a board-certified Psychiatric Mental Health Nurse Practitioner with extensive experience in both bedside nursing and psychiatric care. This practice offers comprehensive mental health services, including psychiatric evaluation, medication management, and supportive therapeutic care.

Care is centered on helping clients better understand their mental health and determine the most appropriate treatment approach, which may include medication, therapy, or a combination of both. When medication is considered, the focus is on finding the safest and most effective options tailored to each individual.

A thoughtful, collaborative approach ensures that each care plan aligns with the client’s history, preferences, and goals. Emphasis is placed on whole-person care, recognizing the importance of both biological and psychosocial factors in achieving lasting well-being. When additional or specialized services are needed, referrals to trusted providers are available.

5+

Years as Psychiatric NP

9+

Conditions Treated

5

Insurance Plans Accepted and Self-pay

5

Years Serving as a RN

Feel more like you again- at your core.

Conditions We Treat

Evidence-based, patient-centered psychiatric care tailored to each individual, with a focus on whole-person well-being.

Schizophrenia

Evidence-based antipsychotic medication management for schizophrenia and schizoaffective disorder, focused on symptom control and quality of life.

Mood Disorders

Evaluation and treatment of a range of mood disorders beyond depression and bipolar, including dysthymia and mood disturbances related to medical conditions.

Insomnia & Sleep Disorders

Psychiatric evaluation and treatment for chronic insomnia, sleep disturbances linked to mental health, and co-occurring conditions affecting sleep quality.

ADHD

Evaluation and ongoing management of attention-deficit/hyperactivity disorder in adults, including inattentive, hyperactive, and combined presentations.

Medication Management

Comprehensive psychiatric evaluation and personalized medication management for adults. Chandler works closely with each patient to find the right treatment approach.

Anxiety Disorders

Treatment for generalized anxiety, panic disorder, social anxiety, and phobias. Helping patients regain calm, focus, and confidence in daily life.

Bipolar Disorder

Specialized care for bipolar I, bipolar II, and cyclothymia — focusing on mood stabilization, relapse prevention, and long-term wellness.

Depression

Evidence-based treatment for major depressive disorder, persistent depressive disorder, and related conditions affecting mood, energy, and daily functioning.

PTSD

Compassionate psychiatric care for post-traumatic stress disorder, including trauma-informed evaluation and medication management to reduce symptoms.

Insurance & Payment

Accepted Insurance Plans

Core Psychiatric Health accepts the following insurance plans. Self-pay options are also available for clients who prefer to pay directly.

WHAT OUR PATIENTS ARE SAYING

See What Our Patients Love About Us

"the best decisions I've made for my mental health"

- by Linda B.
"Working with Chandler has been one of the best decisions I've made for my mental health. He takes the time to really listen and understand what you're going through instead of rushing through appointments. My medication plan was carefully adjusted over time, and I finally feel balanced and like myself again. I highly recommend Core Psychiatric Health to anyone looking for thoughtful, compassionate care."
- by Linda B.

"I felt comfortable with every step of the process."

- by Paul M.
"I had been struggling with anxiety and sleep issues for years and was nervous about starting medication. Chandler explained everything clearly and made sure I felt comfortable with every step of the process. The care here is very personalized and collaborative. I feel heard, supported, and much more in control of my mental health."
- by RLee D.

"My focus and mood have improved dramatically"

- by Marian E.
"Finding a provider who actually listens and works with you is rare. Chandler takes a whole-person approach and never makes you feel like just another patient. The telehealth option also makes it easy to stay consistent with follow-ups. My focus and mood have improved dramatically since starting treatment."
- by RLee D.

Get in Touch

Request an Appointment

Fill out the form below and we will be in touch to schedule your appointment. In-office and telehealth options are available.

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