Together towards your mental wellness.
Arrowhead Mental Health and Wellness, founded by Dr. Annelise Nentwick, DNP, PMHNP-BC, offers insurance-covered, trauma-informed psychiatric care and psychotherapy. Serving children, adolescents, and adults in Frederick, Maryland and surrounding communities.
I created Arrowhead Mental Health and Wellness to give patients the power to take control of their health, without the pressure, the rush, or the feeling of being unheard.
Dr. annelise nentwick, DNP, PMHNP-BC, Psychiatric mental health nurse practitioner, Frederick, maryland
MEET THE PROVIDER
Dr. Annelise Nentwick, DNP, PMHNP-BC
Dr. Annelise Nentwick, PMHNP, DNP is a highly skilled Psychiatric Mental Health Nurse Practitioner dedicated to providing comprehensive and compassionate mental health care. With a Doctorate of Nursing Practice specializing in Psychiatric Mental Health from the University of Maryland School of Nursing, along with a Master of Science in Nursing from Johns Hopkins School of Nursing, her educational background is robust.
Dr. Nentwick’s approach to mental health is rooted in a philosophy that prioritizes holistic patient well-being. She is adept at evaluating, assessing, diagnosing, and treating a wide spectrum of psychiatric disorders, utilizing evidence-based practices that include medication management and psychotherapy.
Before founding Arrowhead Mental Health and Wellness, Dr. Nentwick gained invaluable experience as a psychiatric nurse working in Western Maryland. Patients can trust Dr. Nentwick for her empathetic demeanor, clinical excellence, and dedication to improving mental health outcomes.
Our Services
Insurance-Covered Care
Arrowhead Mental Health and Wellness is in-network with Maryland Medicaid Fee-For-Service and Medicare. We are actively credentialing with Carefirst Blue Cross Blue Shield Maryland, Aetna, United Healthcare, Cigna, and Medicaid MCO Plans in the Maryland Area.
Conditions We Treat
ADHD
Evaluation and treatment for focus, organization, and emotional regulation.
Depression
Support for low mood, burnout, and loss of motivation.
Anxiety
Treatment for worry, panic, and stress that impact daily life.
PTSD
Trauma-informed care to help you feel safe, grounded, and supported.
Bipolar
Ongoing support to stabilize mood and improve daily functioning.
Stress
Guidance through overwhelm, burnout, and major life changes.
Sleep
Care to improve sleep quality and restore healthy routines.
Teens
Care for adolescents navigating anxiety, depression, and ADHD.
Why Arrowhead Mental Health and Wellness?
Trusted Care.
Board-certified nurse practitioner with training at Hopkins and Univ of Maryland.
One-Stop Clinic.
Medication management and therapy all in one place.
Time-Rich Visits.
Respectful, compassionate care where you can speak openly and feel genuinely supported.
Flexible.
Flexible in-person and telehealth options that work around your life, not the other way around.
How It Works
1
Book an Appointment
Schedule online in minutes with flexible options that fit your life — including evenings and convenient visit formats. No long waits, no complicated process.
2
Your Visit
A calm, unrushed appointment focused entirely on you. You’ll have time to talk openly, ask questions, and leave with a clear plan you understand and feel confident about.
3
Follow-Up & Ongoing Care
Support doesn’t end after your visit. You’ll have continued guidance, check-ins when needed, and a trusted provider who partners with you for your long-term health.
Testimonials
“”I enjoy my sessions with Annelise. She is always open to help and listen to my concern. I appreciate her thoughtfulness and expertise. She gave me many strategies to organize and cope with my depression that I was able to apply without overloading myself. Thank you.”
“Extremely intelligent, impeccable follow-up, always listens to what you have to say and has the ability to let you choose the right ideas/concepts. I’ve been working with Dr. Annelise for quite a while and I’m very happy with the services.”
“Cannot say enough good things. She is incredibly kind, patient, and genuinely present during every session. She listens without judgment and creates a safe space where I feel heard and understood. Her compassion and insight have helped me make real progress, and I always leave sessions feeling supported and empowered.”