

McKinney residents can access talk therapy and medication management through Headway's flexible platform, serving neighborhoods like Stonebridge Ranch and Legacy. With 937 providers and sessions available within two weeks, you'll find the right fit for your mental health goals without worrying about costs.
Hello! My name is Marcie and I am a Board-Certified Psychiatric Mental Health Nurse Practitioner. My passion is helping individuals find their peace, confidence, and clarity. With a deep commitment to mental wellness, I offer compassionate, evidence-based care for children, teens, and adults across the lifespan.
Background & Education
I earned my Master of Science in Nursing (MSN) from Rush University in Chicago, IL and received my Psychiatric specialization from National University in San Diego CA. I have my national board certification through the ANCC and have trained in a variety of clinical settings, including outpatient psychiatry, integrated primary care, and crisis intervention services.
I provide personalized mental health care for adults and adolescents struggling with anxiety, depression, ADHD, PTSD, OCD, bipolar disorder, and related concerns. My focus is helping you feel better, think more clearly, and regain control of your daily life.
I offer comprehensive evaluations and medication management through secure telehealth across Texas, with in-person availability in the Dallas–Fort Worth area. Treatment is tailored to your unique needs, with careful attention to effectiveness, side effects, and long-term stability.
You should know that I truly care about who you are, not just the symptoms you’re experiencing. I understand that reaching out for mental health support can feel intimidating, especially if you’ve ever felt judged, misunderstood, or dismissed in the past. My goal is to create a space where you feel safe, heard, and respected from the very first conversation.
I approach every person with compassion, patience, and curiosity. I take the time to understand your story, your stressors, and what matters most to you, so your care is never one-size-fits-all. I believe healing happens best when you feel supported and involved in your treatment, and I see our work as a true partnership.
I am committed to using evidence-based practices while also honoring your lived experience. Whether we are focusing on medication, coping strategies, or long-term growth, I will always be honest, supportive, and collaborative.
Above all, you should know that you are not alone here, and your well-being is my priority.
My name is Vivian Osemene, and I am a board-certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC). I provide compassionate, evidence-based care to individuals experiencing a range of mental health concerns, including mood disorders, anxiety, trauma related disorders, and other psychiatric conditions.
I completed my psychiatric mental health training at Walden University and have experience working with diverse populations across the lifespan, including individuals with complex psychiatric and developmental needs. My clinical approach focuses on thorough assessment, accurate diagnosis, and individualized treatment planning.
I have a very mellow, approachable style, and my main goal is to help my patients reach their goals. Many of the people I work with feel like they haven’t been truly heard before, or that medication was presented as their only option. I take time to listen and make sure you feel comfortable, understood, and involved in your care. I also grew up in an immigrant household, where mental health wasn’t always talked about or seen as an option, and that experience really shaped how I work with my patients today.
Prisca Oketch, APRN, PMHNP-BC, with over 17 years of dedicated clinical experience, specializes in comprehensive mental health treatment. I combine evidence-based psychiatric care with compassionate listening, creating personalized treatment plans that address each patient's unique needs. I am accepting new patients of all ages, from children to adults, both for cash pay and insurance with same-day availability.


Headway makes it easy to find support for your mental health — from finding the right provider, to understanding costs, to scheduling with ease.
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