Addiction therapists & psychiatrists in Waldorf, MD

I am Dr. Christie Simon-Waterman, a dually certified Family Nurse Practitioner (FNP-BC) and Psychiatric-Mental Health Nurse Practitioner (PMHNP-BC) with over a decade of experience providing compassionate, evidence-based, and holistic care across the lifespan. My clinical background spans primary care, mental health, and community-based health, allowing me to care for the whole person—mind, body, and spirit.

I earned my nursing education at Coppin State University and completed my doctoral training with a strong focus on health equity, leadership, and integrated care delivery.

In my practice, I specialize in:

• Anxiety, depression, trauma-related conditions, and mood disorders
• Integrated mental health treatment
• Substance use–related concerns and recovery support
• Care for underserved and marginalized populations

My approach is empathetic, collaborative, and trauma-informed. I believe healing happens best when clients feel heard, respected, and empowered. Together, we develop personalized treatment plans that may include therapy, medication management when appropriate, lifestyle interventions, and ongoing support tailored to your goals.

Above all, I am committed to creating a safe, supportive responsive space where clients can build resilience, restore balance, and move forward with confidence and clarity.

I received my medical education in Paris, France.

I arrived in the US in 1982 and completed my psychiatric residency at Temple University Hospital, in Philadelphia in 1989.

IN 2010, I completed a forensic psychiatry fellowship in Portland, Oregon.

I have worked as a staff psychiatrist within the Maryland state mental health system for 23 years.

I am working with patients suffering from general mental illness and patients suffering from substance abuse.

I have worked with substance abuse clients since 1992 when I created a treatment program at Crownsville Hospital, in Crownsville. More recently I have been working with clients receiving buprenorphine (Suboxone) for the treatment of opioid use disorder.

Hi, I’m a Board Certified Psychiatric Mental Health Nurse Practitioner. I graduated from Drexel University with my Master's degree in Nursing. I then completed my Post-Graduate Certificate in Psychiatric Mental Health Nurse Practitioner. I have over twenty years of experience working in healthcare. Psych has always been my passion. My experiences encompass working with clients across the life span, including Child and Adolescents, Adult, and Geriatric patient populations. I’ve provided services to clients presenting with many psychiatric disorders, such as Anxiety, Depression, ADHD, Bipolar Disorder, and more. I’m in the belief that mental health wellbeing is a priority. Human beings are resilient. Holistic care is the key to promoting better patient outcomes. Therefore, I believe that with an evidence-based practice treatment plan consisting of psychotherapy and/or a combination of psychotherapy and medication management, one will be able to control their mental health.

I’m a very compassionate, caring, and empathetic person. I strive to provide holistic care and collaborate with my clients to develop a treatment plan that they are comfortable with.

I am a Doctor of Nursing Practice (DNP) and Board-Certified Psychiatric Mental Health Nurse Practitioner (PMHNP-BC) with extensive experience providing mental health care across inpatient, outpatient, community mental health, ACT teams, and substance use treatment settings. Since beginning my mental health career, I have been dedicated to supporting individuals through complex emotional and psychiatric challenges with compassion, respect, and a trauma-informed approach.

I specialize in treating adults experiencing anxiety, depression, PTSD, trauma-related concerns, ADHD, bipolar disorder, mood disorders, emotional regulation difficulties, and substance use concerns. I have experience working with individuals from diverse backgrounds, including those navigating life transitions, chronic mental health challenges, and recovery journeys.

My approach is collaborative and individualized. I believe effective treatment begins with understanding each person’s story, strengths, and goals. I combine evidence-based medication management with supportive therapeutic techniques to help clients gain insight, build resilience, and improve overall well-being.

My goal is to create a safe and nonjudgmental space where clients feel heard, empowered, and supported as they work toward healing and meaningful change.

Mrs Zainab Pierre, [MSN, PMHNP] is a dedicated Psychiatric Mental Health Professional with extensive experience in diagnosing, treating, and managing a broad range of mental and behavioral health conditions across diverse populations. With a strong foundation in evidence-based practice and a passion for holistic care, she specializes in providing compassionate, patient-centered treatment for individuals coping with depression, anxiety, mood disorders, substance use, and trauma-related conditions.

Mrs Zainab is skilled in psychotherapy, psychopharmacology, crisis intervention, and care coordination, and works collaboratively with multidisciplinary teams to ensure optimal outcomes for clients. Committed to advancing mental health equity, she also advocates for community-based solutions, mental health education, and stigma reduction.

She currently practices with United healthcare Washington DC and TRIPLEZEES BEHAVIORAL HEALTH LLC and holds a BSN and MSN, bringing a blend of clinical expertise, cultural sensitivity, and genuine empathy to every therapeutic encounter.

I specialize in Anxiety, ADHD, Depression, PTSD, Panic disorder and mood disorders. I also offer ADHD testing for children and adults online and in-person. I offer both medication management and therapy.

I am a board-certified Nurse Practitioner with training in both primary care and psychiatric mental health. I have extensive experience providing care in community, correctional, and integrated care settings, where I work with individuals managing anxiety, depression, mood disorders, trauma-related conditions, and other mental health concerns.

I strive to create a supportive, nonjudgmental space where clients feel heard and respected. I value thoughtful assessment, clear communication, and collaborative decision-making to help clients better understand their symptoms and treatment options. My goal is to partner with each client to develop a personalized care plan that supports both mental and overall well-being.

Hello, my name is Dr. Star Tangyie-Che Niba, and I'm a board-certified Psychiatric Mental Health Nurse Practitioner PMHNP-BC) with a Doctor of Nursing Practice (DNP) degree. For the past three years, I've been dedicated to providing compassionate, evidence-based mental health care to individuals and families.

I earned my doctoral degree from the University of South Alabama, where I cultivated a strong foundation in holistic and patient-centered care. My practice focuses on addressing a variety of mental health concerns, including Depression, Anxiety, ADHD, Mood disorders, All Bipolar types, Schizophrenia, Schizo-affective disorders, Trauma etc. I also specialize in supporting clients through life transitions and managing stress effectively.

As a Psychiatric Mental Health Nurse Practitioner, I provide compassionate and evidence-based care for individuals experiencing anxiety, depression, mood disorders, and life transitions. I believe in creating a safe, collaborative space where you feel heard and supported. My approach combines clinical expertise with genuine empathy to help you reach emotional balance and overall well-being. I’m committed to helping clients build insight, develop coping strategies, and achieve meaningful change at their own pace

As a board-certified psychiatric mental health nurse practitioner, I provide personalized assessments, therapy, and medication management designed for you and your loved ones. Whether you’re facing depression, substance use, or personality challenges, I work with you to create a plan that helps you feel stable, supported, and able to live at your best.

Dr. Troy A. Waller, a Licensed Professional Counselor with more than two decades of experience, provides services across Washington, D.C., Maryland, and Virginia. He focuses on trauma recovery and offers consultation to government agencies and hospital regarding stress, anxiety, and mental health concerns.