Our Providers
Meet Our Team
Behind every care plan is a team of dedicated, board-certified providers who genuinely care about your wellbeing. We're here to listen, support, and guide you — every step of the way.
Angela Peters, DNP(c), PMHNP-C
Founder & Psychiatric Nurse Practitioner
Angela founded Northern Lights Psychiatry with a vision of accessible, compassionate psychiatric care for New Hampshire communities. As a board-certified psychiatric mental health nurse practitioner, she specializes in medication management, depression, holistic and integrative care, and women's mental health — including maternal mental health. Angela takes a trauma-informed, collaborative approach — meeting each patient where they are and building a care plan that truly fits their life. She has been featured in America's Best in Medicine 2026 and is listed as a featured provider on WebMD, reflecting her commitment to providing high-quality, evidence-based patient care.
Areas of Focus
Alexandra Markell, MSN, PMHNP-BC
Psychiatric Nurse Practitioner
Alexandra is a board-certified psychiatric mental health nurse practitioner who brings a compassionate, evidence-based approach to every patient interaction. She specializes in the evaluation and management of anxiety, depression, OCD, PTSD, and mood disorders — working collaboratively with patients to develop personalized treatment plans that support lasting mental wellness.
Areas of Focus
Natalie Clark, MA, LCMHC, CCTP-II, NATC
Licensed Clinical Mental Health Counselor
Natalie brings extensive clinical experience and a deep commitment to trauma-informed, affirming care. She specializes in treating depression, anxiety, PTSD, complex trauma, gender dysphoria, and substance use disorders — drawing on a range of evidence-based modalities to meet each patient where they are. Natalie creates a safe, nonjudgmental space where patients feel truly seen and supported as they work toward healing and growth.
Areas of Focus
Kat Treebrook, MA, MLADC, R-DMT
Licensed Mental Health Counselor & Dance/Movement Therapist
Kat brings a unique blend of clinical expertise and somatic awareness to her work with patients. As a licensed alcohol and drug counselor and registered dance/movement therapist, she takes a holistic, body-centered approach to healing — helping patients reconnect with themselves and build lasting coping skills. Kat specializes in substance use, ADHD, chronic stress, and anxiety, working primarily with adults and older adults. She creates a warm and nonjudgmental space where patients feel empowered to grow.
Areas of Focus
What Guides Us
Our Shared Values
Compassionate Care
We lead with empathy — every patient deserves to feel heard, respected, and supported throughout their journey.
Clinical Excellence
Our providers stay current with the latest evidence-based practices to deliver the highest standard of psychiatric care.
Personalized Approach
No two patients are alike. We build individualized care plans that reflect your unique history, goals, and values.
Ready to Begin?
We'd love to be part of your journey
New patients are welcome. Reach out today to schedule your first appointment — in person in Bedford, NH or via telehealth anywhere in New Hampshire.