Our office will be closed on Monday, January 19, 2026, in observance of Martin Luther King Jr. Day.
We will resume normal operating hours on Tuesday, January 20, 2026.

Tristan Isacksen's Headshot

Specialties:

  • Attention-deficit/hyperactivity disorder (ADHD)
  • Anxiety
  • Bipolar disorder
  • Cognitive functioning
  • Depression
  • LGBTQ+ mental health
  • Psychosis
  • Substance use
  • Trauma
  • Veteran mental health
  • And much more

Tristan Isacksen,

Psychiatric Nurse Practitioner

, PMHNP-BC

Accepting new patients, please book here.

My clinical experience includes time in inpatient psychiatry and outpatient addiction medicine across hospital-based and community behavioral health settings. I found this work deeply rewarding, particularly the opportunity to connect with people and support them in their recovery. Being part of that process has been an honor and continues to bring meaning to my practice.

I have partnered extensively with individuals struggling with substance use, bipolar disorder, psychotic disorders, depression, and anxiety. In my work with addiction, I use motivational interviewing to support patients in identifying when they feel ready for change and developing tools that can help them move forward.

It’s been my privilege to work with people from varied backgrounds and life experiences, including young adults, older adults, Native Americans, veterans, and members of the LGBTQ+ community. This breadth of experience has shaped my respect for the many ways mental health concerns show up across cultures, identities, and stages of life.

Learn more about Tristan by checking out his clinician spotlight.

Why Work with Me?

My approach is easygoing and conversational. I create a collaborative environment where people feel comfortable speaking openly, asking questions, and engaging honestly in their care. In the face of rising depression, anxiety, and isolation, I’m committed to doing my part to help reverse this trend by supporting individuals as they work toward their goals to live a happier, more fulfilled life.

My Professional Credentials & Service Details

Initial Assessment, Medication Management
Massachusetts (Boston In-Person), Massachusetts (Virtual)
Aetna
Blue Cross Blue Shield-MA
Cigna (Evernorth)
First Health
Humana
Medicare
Northwell Direct
Optum
Self-Pay (Out of Pocket)
TRICARE East
United Healthcare (UHC)
Wellfleet
Other
English

“We are committed to providing you with the best patient experience as we support your mental health journey. Your well-being is our priority, and we’re here to support you every step of the way.”

Tristan Isacksen's Headshot

Tristan Isacksen

, Psychiatric Nurse Practitioner

, PMHNP-BC

Accepting new patients, please book here.

Initial Assessment, Medication Management
Massachusetts (Boston In-Person), Massachusetts (Virtual)
Aetna
Blue Cross Blue Shield-MA
Cigna (Evernorth)
First Health
Humana
Medicare
Northwell Direct
Optum
Self-Pay (Out of Pocket)
TRICARE East
United Healthcare (UHC)
Wellfleet
Other
English