True Self Mental Health,
Psychiatric Nurse Practitioner, MSN, RN, PMHNP (he, him)
Verified by Psychology Today Verified by Psychology Today
7 Endorsed
Lowell, MA 01854
Let's Connect (508) 504-9865

Immediate Openings!
Feeling overwhelmed—or wishing you had a space to reset? At True Self Mental Health, we offer affirming psychiatric care and medication management for LGBTQ+ kids, teens, and adults, as well as anyone exploring identity, transitions, or life in a marginalized community.
Our virtual psychiatry practice, licensed in New Hampshire and Massachusetts, provides a supportive, judgment-free space where healing feels not only possible, but truly within reach. Whether you’re navigating anxiety, depression or ADHD, you’ll receive personalized care grounded in compassion and collaboration.
At True Self Mental Health, we provide a safe, affirming space to explore what’s beneath the surface. Through collaborative, evidence-based care, we support LGBTQ+ individuals, teens, adults, and anyone seeking a place to feel seen. Serving MA & NH, we help clients uncover challenges, find clarity, and heal with confidence and compassion.
Forget one-size-fits-all mental healthcare. Your story is unique—and your care should be too. At True Self Mental Health, we create a personalized path forward using a range of evidence-based techniques. Think of it as a toolbox built just for you, with the right tools chosen to match your needs, goals, and growth.
Call or Email True Self Mental Health, LLC now for a free 15 minute consultation - (508) 504-9865
Let's Connect (508) 504-9865

Finances
Fees
- Initial Session Fee $350
- Standard Visit $150
Payment Methods
American Express, Discover, Mastercard, VisaInsurance
- Aetna
- Cigna and Evernorth
- Government Employees Health Association (GEHA)
- Health Net
- Managed Health Network (MHN)
- Meritain Health
- Optum
- Oscar Health
- Oxford
- United Medical Resources (UMR)
- UnitedHealthcare UHC | UBH
True Self Mental Health, LLC
Psychiatric Nurse Practitioner, MSN, RN, PMHNP
Call or Email us for a free 15 minute consultation now - (508) 504-9865
Qualifications
- Verified by Psychology Today License: New Hampshire / 085018-23 Hallick J LehmannLicense state differs from primary location state.
- In Practice for 4 years
- Boston College, Master of Science in Nursing, Graduated 2021
- License: Board of Registration in Nursing, Massachusetts RN2347094 / 2025
Psychiatric Nurse Practitioner: Hallick J Lehmann
Education and Years In Practice
Additional Credentials
True Self Mental Health, LLC
Psychiatric Nurse Practitioner, MSN, RN, PMHNP
Call or Email us for a free 15 minute consultation now - (508) 504-9865
Specialties and Expertise
Top Specialties
- LGBTQ+
- Anxiety
- Mood Disorders
Expertise
- ADHD
- Anger Management
- Autism
- Behavioral Issues
- Bipolar Disorder
- Bisexual
- Child
- Depression
- Emotional Disturbance
- Impulse Control Disorders
- Lesbian
- Medication Management
- Obsessive-Compulsive (OCD)
- Oppositional Defiance (ODD)
- Psychosis
- School Issues
- Self Esteem
- Sleep or Insomnia
- Stress
- Transgender
- Trauma and PTSD
True Self Mental Health, LLC
Psychiatric Nurse Practitioner, MSN, RN, PMHNP
Call or Email us for a free 15 minute consultation now - (508) 504-9865
7 Endorsements
Client Focus
Age
Toddler ,
Children (6 to 10) ,
Preteen ,
Teen ,
Adults
Participants
Individuals
Communities
Bisexual Allied ,
Gay Allied ,
Lesbian Allied ,
Non-Binary Allied ,
Queer Allied ,
Racial Justice Allied ,
Transgender Allied
Age
Toddler ,
Children (6 to 10) ,
Preteen ,
Teen ,
Adults
Participants
Individuals
Communities
Bisexual Allied ,
Gay Allied ,
Lesbian Allied ,
Non-Binary Allied ,
Queer Allied ,
Racial Justice Allied ,
Transgender Allied
Treatment Approach
Types of Therapy
- Cognitive Behavioral (CBT)
- Compassion Focused
- Culturally Sensitive
- Emotionally Focused
- Motivational Interviewing
- Person-Centered
- Strength-Based
- Trauma Focused
True Self Mental Health, LLC
Psychiatric Nurse Practitioner, MSN, RN, PMHNP
Call or Email us for a free 15 minute consultation now - (508) 504-9865
Location
Additional Location
Portsmouth, NH 03801
(508) 504-9865Nearby Areas
True Self Mental Health, LLC
Psychiatric Nurse Practitioner, MSN, RN, PMHNP
Call for a free consultation now - (508) 504-9865