John Mannion, MSN, PMHNP-BC

John Mannion, MSN, PMHNP-BC

Family Psychiatric & Mental Health Nurse Practitioner
2300 Crown Colony Dr, Ste 202, Quincy, MA
John Mannion helps adults and older adults across Massachusetts navigate mental health challenges with a thoughtful, evidence-based approach that balances clinical expertise, medication management, and the role of everyday wellness. As a psychiatric nurse practitioner at LifeStance Health, he partners with patients experiencing conditions such as anxiety, depression, and PTSD/trauma to create individualized treatment plans that support both symptom relief and long-term emotional well-being. He recognizes that mental health is deeply connected to factors such as sleep, physical health, and overall quality of life, and he works collaboratively with each patient to identify the strategies that best fit their goals. John is especially passionate about supporting individuals facing alcohol and drug use issues. Drawing on his background in both psychiatry and addiction medicine, he understands the complex relationship between substance use and mental health conditions. His approach is compassionate, practical, and nonjudgmental, helping patients address underlying challenges while building skills and supports that promote lasting recovery and resilience. He believes meaningful progress comes from understanding each person’s unique circumstances and creating a treatment plan tailored to their needs. In addition to working with alcohol and drug use concerns, John provides medication management for a wide range of mental health conditions. His clinical interests include anxiety, depression, and trauma-related concerns, while also supporting individuals with ADHD, bipolar disorder, OCD, sleep disorders, and other behavioral health needs. He has experience working with diverse patient populations, including first responders and military veterans, and offers additional support for a variety of mental health challenges beyond his primary areas of focus.

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About John Mannion

Focus areas

Addiction / Substance Abuse
Bipolar Disorder
Obsessive Compulsive Disorder (OCD)
Anxiety
Depression
Work-Related Counseling
Attention-Deficit / Hyperactivity Disorder (ADHD)
Men's Mental Health Issues

Clientele seen

Young adults (18-24)
Individuals
Adults (25-64)
Seniors (65+)

Treatment approaches

Compassion Focused

Identity

Gender

Male

Languages spoken

English

Getting to know John Mannion

John Mannion helps adults and older adults across Massachusetts navigate mental health challenges with a thoughtful, evidence-based approach that balances clinical expertise, medication management, and the role of everyday wellness. As a psychiatric nurse practitioner at LifeStance Health, he partners with patients experiencing conditions such as anxiety, depression, and PTSD/trauma to create individualized treatment plans that support both symptom relief and long-term emotional well-being. He recognizes that mental health is deeply connected to factors such as sleep, physical health, and overall quality of life, and he works collaboratively with each patient to identify the strategies that best fit their goals. John is especially passionate about supporting individuals facing alcohol and drug use issues. Drawing on his background in both psychiatry and addiction medicine, he understands the complex relationship between substance use and mental health conditions. His approach is compassionate, practical, and nonjudgmental, helping patients address underlying challenges while building skills and supports that promote lasting recovery and resilience. He believes meaningful progress comes from understanding each person’s unique circumstances and creating a treatment plan tailored to their needs. In addition to working with alcohol and drug use concerns, John provides medication management for a wide range of mental health conditions. His clinical interests include anxiety, depression, and trauma-related concerns, while also supporting individuals with ADHD, bipolar disorder, OCD, sleep disorders, and other behavioral health needs. He has experience working with diverse patient populations, including first responders and military veterans, and offers additional support for a variety of mental health challenges beyond his primary areas of focus.

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Popular visit reasons

Anxiety Disorder
Attention-Deficit / Hyperactivity Disorder (ADHD)
Depression
Gambling Addiction
New Patient Visit
Psychiatry Consultation
Sleep Problems
Young Adult Issues
Anxiety Disorder
Attention-Deficit / Hyperactivity Disorder (ADHD)
Depression
Gambling Addiction

Office location

John Mannion, MSN, PMHNP-BC also offers online video visits for patients
LifeStance Health - Massachusetts
2300 Crown Colony Dr, Ste 202, Quincy, MA 02169

Education and background

Practice names

Education and training

  • Northeastern University, Master's in Psychiatric and Mental Health Nursing
  • Curry College, Bachelor's
  • Laboure College, Associate's

NPI number

1437760725

Patient reviews

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Frequently asked questions

How soon can I make an appointment with John Mannion?

Generally, John Mannion has appointments available on Zocdoc within 1 week. You can see John Mannion's earliest availability on Zocdoc and make an appointment online.

Is John Mannion accepting new patients?

John Mannion generally accepts new patients on Zocdoc. You can see John Mannion's earliest availability on Zocdoc and schedule an appointment online.

Does John Mannion accept my insurance?

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Can I make an appointment with John Mannion online?

Yes, you can make an appointment online with John Mannion using Zocdoc. It’s simple, secure, and free.

What practice does John Mannion work with?

Where is John Mannion's office located?

John Mannion has 2 office locations in Quincy, view full addresses on John Mannion's profile.

What are common reasons for patients to see John Mannion?

John Mannion frequently sees patients for Attention-Deficit / Hyperactivity Disorder (ADHD), Depression, New Patient Visit, Psychiatry Consultation, and Sleep Problems. You can see other visit reasons for John Mannion on their profile.

What languages does John Mannion speak?

John Mannion speaks English.

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