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About Mercy Mental Health and Services

Mercy Mental Health and Services is a Los Angeles-based mental health practice committed to promoting healthy minds and breaking society's mental health stigma. Our holistic, patient-centered, and nonjudgmental approach utilizes evidence-based practices to provide compassionate, individualized care to our clients.
Our team is comprised of highly trained and certified mental health professionals who are dedicated to helping people achieve mental wellness. We believe everyone deserves to live a happy, healthy life, and we strive to support our clients in achieving their goals.
We are passionate about our work and about creating a community that is informed, inclusive, and supportive of mental health.

Stone Balancing

Our Philosophy

At Mercy Mental Health and Services, we believe that mental health is a crucial part of overall health and wellness. We are committed to providing a safe, supportive, and nonjudgmental environment where our clients can explore their thoughts, feelings, and behaviors.
We strive to empower our clients to take an active role in their mental health and wellness by providing them with the tools and resources they need to achieve their goals. Our approach is evidence-based and tailored to each individual's unique needs and circumstances.
We believe that everyone deserves access to high-quality mental health care, and we are dedicated to breaking down the barriers that prevent people from getting the help they need. At Mercy Mental Health and services, we are here to support you on your journey to mental wellness.

Our Vision

  • To promote a healthy mind, thus a happy life.

  • Promote culturally diversified acceptable care for all.

  • Increase mental health accessibility to all.

Our Values

  • We believe everyone deserves to be heard and be in charge of their care.

  • We believe in individualized care.

  • We believe in a healthy mind and a happy Life!

  • One day at a time. You are not Alone!

About Joseph Mwangi, MSN, PMHNP-BC

Organizations & Affiliations

  • SIGMA- Sigma Theta Tau Honor Society of Nursing

  • National Society of Leadership and Success (NSLS) 

  • Golden Key International Honour Society 

  • American Association of Nurse Practitioners  

  • Walden University Alumni

Psychology Today
Joseph Mwangi, PMHNP-BC, is a Psychiatric Mental Health Nurse Practitioner (PMHNP) Certified by the American Nurses Credentialing Center (ANCC). He carries an overall 21 years of experience in healthcare, extending from acute inpatient care, outpatient clinics, nursing homes, and community home visits. He has developed expertise in a wide range of disorders through extensive training and experience treating patients across the lifespan. He applies a holistic approach to mental health care that incorporates both pharmacological interventions and evidence-based therapeutic techniques, fostering a comprehensive and individualized treatment plan for the patient. He assesses, diagnoses, and provides individualized treatment plans by prescribing medications, providing psychotherapy, or both.

Joseph holds a Masters in Psychiatric Mental Health Nurse Practitioner from Walden University and successfully completed valuable hands-on experience by providing evidence-based mental health services in different healthcare settings such as acute psychiatric hospitals, intensive outpatient psychiatric (IOP) centers, nursing homes, private practice, and caring for the homeless population in their area of comfort. 

As a Psychiatric Nurse Practitioner, Joseph believes in the transformative power of compassionate and comprehensive mental health care. His goal is to create a safe and non-judgmental space where individuals can explore their thoughts and emotions, fostering self-discovery and personal growth.
Joseph's practice is rooted in patient-centered philosophy in the great states of Arizona and California, where he prioritizes building trusting and collaborative relationships with those under his care. He recognizes the unique qualities of each individual and works closely with them to develop tailored treatment strategies that align with their goals, values, and preferences.

Our Education and Certifications

Walden University

MSN (Master of Science in Nursing)

American Nurses Credentialing Center - ANCC

Psychiatric Mental Health Nurse Practitioner - Board Certified

Collaborating Psychiatrist

Dr. Codie Vassar

Dr. Vassar is an outpatient psychiatrist who sees patients with depression, anxiety, mood disorders, bipolar disorder, psychotic disorders, PTSD, and substance abuse disorders. 

 

He provides compassionate and evidence-based care to patients with various mental health conditions, such as depression, anxiety, bipolar disorder, and PTSD. He collaborates with a multidisciplinary team of nurses, social workers, therapists, and other physicians to develop and implement individualized treatment plans that address the biological, psychological, and social aspects of each patient's needs.

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