

Mental health care in Harker Heights is accessible through Headway's network of 957 providers across neighborhoods like Nolanville, Belton, and Killeen. Experience compassionate, solution-oriented care with virtual or in-person sessions covered by most major insurance plans, helping you save an average of 75% on sessions.
Hi there. If you are struggling with anxiety, depression, focus, or any other mood symptoms, I'm here. You don't have to struggle alone. I can help you feel like yourself again. I’m a board-certified Psychiatric Mental Health Nurse Practitioner providing personalized care to children, teens, and adults. I am also dual certified as a Family Nurse Practitioner, which allows me to bring a more comprehensive, whole-person perspective to mental health care. I consider emotional, physical, and lifestyle factors to develop treatment plans that are effective and sustainable.
I specialize in the evaluation and treatment of anxiety, panic, depression, mood disorders, ADHD, and stress-related conditions. I also have experience helping individuals navigate life transitions, hormonal issues, sleep concerns, and difficulty with fatigue, focus, motivation, overthinking, and emotional regulation, including clients with chronic illnesses.
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.
I am Mary Nganga, a PMHNP-BC in state of Texas. I have more than 12 years of experience in mental health. I graduated with Bachelor in Nursing from University of Texas Arlington, and Masters in Nursing from Texas States University, San Marcos. My free time, I enjoy spending time my family, pet (Ruffy), and gardening.
Welcome,
I’m glad you’re here. Reaching out for support takes courage, and you don’t have to navigate this alone. I am Eziaha Ihediwah a board-certified psychiatric mental health nurse practitioner (PMHNP) and I specialize in working with individuals dealing with ADHD, anxiety, depression, bipolar disorder, PTSD, OCD, and eating disorder, this is a space where you will be heard, respected, and taken seriously. Your experiences matter, and your care will be tailored to you—not a one-size-fits-all plan.
Your role in this process Healing is a partnership. You’ll always have space to ask questions, express concerns, and be involved in decisions about your care. Progress may take time, but we will move at a pace that feels safe and manageable for you.
If you ever feel overwhelmed between visits, please reach out. Support is available, and you deserve consistent care.
I look forward to working with you and supporting you toward stability, clarity, and improved quality of life.
Dr. Chika Galega-Sabum, is a board-certified Psychiatric Mental Health Nurse Practitioner currently accepting patients aged 5 and older. She holds a Doctor of Nursing Practice (DNP) from the University of Cincinnati and has a background in psychology. Dr. Galega-Sabum specializes in Medication Management, Psychiatric Evaluations, Psychotherapy, Anxiety, ADHD, Depression, Trauma, Substance Use Disorders, Alcohol Dependency, Grief, Eating Disorders, and Survivors of Sexual, Physical, and Emotional Abuse and more. She takes a holistic, evidence-based approach, addressing both symptoms and underlying causes of mental health and substance use concerns. Committed to personalized, patient-centered care, she works closely with individuals to develop treatment plans tailored to their unique needs and lifestyles. Passionate about mental health and addiction recovery, Dr. Galega-Sabum is dedicated to empowering individuals on their path to wellness and healing.
I'm Rita, a board-certified Psychiatric Mental Health Nurse Practitioner, dedicated to guiding individuals through their mental health journeys with compassion and evidence-based care.
Hi, I’m Isaac Ogunseyitan, a board-certified Psychiatric Mental Health Nurse Practitioner dedicated to helping adults navigate life’s challenges with compassion and respect. I believe the best care starts with listening, understanding your unique experiences, and working together to create a treatment plan that fits your goals. Whether you’re dealing with anxiety, depression, trauma, or other mental health concerns, I strive to provide a welcoming, judgment-free space where you can feel heard and supported. My goal is to help you build lasting skills and feel more confident in your journey toward better mental health.











Headway makes it easy to find support for your mental health — from finding the right provider, to understanding costs, to scheduling with ease.
Finding psychiatrists in Harker Heights starts with understanding the type of care that fits your needs. Psychiatrists and psychiatric mental health nurse practitioners can diagnose mental health conditions, prescribe medication, and manage medication plans. Therapists provide talk therapy and support with day-to-day patterns, relationships, and coping skills. If you are looking for care related to anxiety, depression, ADHD, bipolar disorder, or obsessive-compulsive disorder, review each psychiatrist’s listed specialties and bio to see whether their training matches what you want to address.
Harker Heights is part of the Killeen–Temple area, so local in-person psychiatry options may be more limited than in larger Texas cities. Virtual appointments can expand your search while keeping care connected to your schedule. Psychiatric medication management visits are often shorter and less frequent than therapy sessions, and some psychiatrists also offer therapy. Some people work with both a therapist and a prescriber. As you compare options, look at appointment availability, whether the psychiatrist is accepting new patients, and what each profile says about communication style and session structure.
Psychiatric care in Harker Heights can be a significant expense without insurance. Using in-network insurance is one of the most reliable ways to reduce session costs and understand what you may pay before you book. Headway helps you find psychiatrists and psychiatric prescribers who accept insurance, are accepting new patients, and match your preferences for appointment format, specialty, and schedule. You can review bios, check estimated costs after entering your insurance details, and book directly when you are ready.
If you're already taking psychiatric medication and considering switching providers, talk to your current prescriber before changing or stopping any medication — most psychiatric medications shouldn't be stopped abruptly. Anyone experiencing thoughts of self-harm or in acute crisis should call 988 or go to the nearest emergency department rather than wait for an outpatient appointment.
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