

Managing ADHD in Winchester requires practical strategies and personalized support. Headway connects you with 1,739 licensed providers experienced in executive function coaching, time management training, and emotion regulation techniques. Many clients find relief through evidence-based approaches like cognitive restructuring and mindfulness-based interventions, all available virtually or in-person.
I am a board certified psychiatric nurse practitioner for over 5 years, and I am also a board certified adult nurse practitioner for over 12 years. I began my nursing career graduating from university of MD with my bachelors, and then attended Johns Hopkins University for my masters. I decided to further my education by attending Brandman University to obtain my Doctorate and psychiatric mental health certification in 2018.
Welcome. If you have been feeling overwhelmed by depression, anxiety, mood swings, or trouble focusing, you are not alone. Maybe your teen is struggling, or you are exhausted from trying to manage symptoms on your own. When your mood, energy, or attention feel out of control, daily life can feel harder than it should. I offer a supportive, judgment free space where your concerns are taken seriously.
You truly deserve to feel heard, understood, and supported. As a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) with over 15 years of experience in a variety of healthcare settings and roles, I provide compassionate, collaborative, and individualized care tailored to your unique needs. I specialize in treating adolescents and adults experiencing ADHD, anxiety, depression, mood disorders, and related concerns. By combining active listening with evidence-based treatment, I strive to create a safe, supportive, and nonjudgmental environment where you feel empowered and actively involved in your care. Together, we will develop a personalized treatment plan designed to help you navigate life's challenges, build on your strengths, improve daily functioning, and reach your fullest potential.
EVENING TELEHEALTH HOURS/FREE CONSULTATION!! As a therapist, connecting with clients and walking with them through their journey of triumphs and challenges, I have found that the connection between counselor and client is paramount. I strive to meet my clients where they are, focusing on their strengths and empowering them to make the changes they see fit rather than prescribing issue or diagnosis. I value treating each individual client with the respect they deserve. Placing emphasis on developing a relationship that is based on warmth, trust, respect, and genuine care. The ease of conversation, is client driven and casual.
Many people seek out therapy because, despite their best efforts to change, they might end up in the same cycles. These cycles of behavior are driven by our life experiences and long-standing behavior patterns. Together, we will explore these patterns so that we can begin to create understanding of our motivations and create space for positive change.
For 16 years I have worked with clients impacted by anxiety, depression, and grief. My experience has provided me a unique perspective in working with individuals and couples, parents and families. I understand the need to get to know a counselor before scheduling a session. To help, I offer a free 15 min phone consultation. Look forward to hearing from you.
I work with adults experiencing ADHD, anxiety, depression, relationship challenges, life transitions and grief. Many of my clients feel stuck or unsure how to move forward, whether that involves improving focus and follow-through, coping with loss, or navigating changes in mood and life circumstances.
You may be overwhelmed, struggling to stay focused, or going through a difficult change in your life that makes you feel stressed out.
With over 30 years of experience in healthcare as both a Licensed Professional Counselor and Registered Nurse, I bring a practical understanding of how physical, emotional, and mental health are connected, especially for adults managing ADHD, focus challenges, and overwhelm.
You don't have to carry grief, a breakup, or relationship pain alone. Maybe you're needing help with an important decision or need creative solutions to challenges. In therapy we can make sense of what's happening.
I'm licensed in Virginia and Florida. I have advanced training in Parts Work, trauma treatment, EMDR and couples counseling. I bring a thoughtful, creative, and collaborative approach to therapy. I speak Spanish fluently. También hablo español.
I strive to be inclusive and affirming of diverse identities and experiences, and have over 13 years of experience in mental health. If you’re looking for a therapist who will meet you with warmth, depth, and respect, and work alongside you toward resonance, healing and growth, I invite you to reach out.
I’m Dr. Sharline Mashack, a board-certified Psychiatric/Mental Health Nurse Practitioner, and I specialize in treating patients with conditions ranging from ADHD to schizophrenia. I use a holistic approach combined with evidence-based practices to develop treatment plans, prescribe medications, and provide psychotherapy.
As a military spouse, I’ve had the opportunity to work in several areas of the healthcare system, learning from experienced leaders along the way. I earned both my Master’s and Doctorate in Nursing.


Headway helps you stay on track with expert-guided support for ADHD — from finding the right therapist or psychiatrist, to understanding costs, to scheduling with ease.
Use left and right arrow keys to switch tabs. Press Shift+Tab to return to the tab list from links in the selected tab.