MARCELINUS ONYEJIJI
Carson
Summary
Team oriented, Board Certified Psychiatric Nurse Practitioner (ANCC), with record of establishing strong relationships with clients and families, as well as co-workers and local agencies. Professionally driven to support mental health community and help overcome obstacles that patients encounter on a day-to-day basis. Staff development and patient advocacy, bringing over 7 years working as RN and experience working as a Nurse, displays an exceptional aptitude to deliver positive patient outcomes in a fast-paced environment, while simultaneously building productive relationships. Computer proficiencies in MS Word, MS Excel, Outlook, and EMR. Fluent in English.
Overview
18
18
years of professional experience
1
1
Certification
Work History
Tri-State Community Healthcare Center
Los Angeles, CA
- Conducted comprehensive psychiatric evaluations via outpatient and telehealth platforms for adolescents and adults with depression, anxiety, PTSD, and substance use disorders.
- Managed medication-assisted treatment (MAT) for substance uses disorders, ensuring patient adherence through telehealth check-ins.
- Provided crisis intervention and suicide risk assessments, referring high-risk patients for immediate care.
- Educated patients and families on medication management, therapy options, and relapse prevention strategies.
- Successfully completed 175 clinical hours towards advanced degree at Tri-State Community Healthcare Center. Clinical practice focuses on consulting psychiatry liaison.
Total Care Medical Clinic
Los Angeles, CA
- Managed psychotropic medication regimens and therapy interventions for adolescents and adults with dual diagnoses (mental health & SUD).
- Applied Cognitive Behavioral Therapy (CBT) and Motivational Interviewing (MI) techniques during telehealth visits to engage patients and improve adherence.
- Collaborated with therapists, case managers, and community mental health resources to provide well-rounded patient care.
- Conducted follow-up medication management sessions via telehealth, optimizing treatment plans based on patient response.
- Provided trauma-informed care for PTSD patients, integrating psychoeducation and coping strategies into virtual visits.
- Documented all patient interactions in electronic health records (EHR), ensuring seamless coordination between in-person and telehealth care.
- Completed 150 clinical hours towards an advanced degree at Total Care Medical Clinic,10024 Vermont Ave, Los Angeles, CA 90044January Clinical practice focus in geriatric psychiatry
PMHNP-BC
Trinity Behavioral Health
10.2024 - Current
- Conduct comprehensive mental health assessments.
- Diagnose and treat mental health conditions.
- Prescribe medications and therapies.
- Develop treatment plans.
- Provide psychotherapy and counseling.
- Collaborate with multidisciplinary teams.
- Educate patients and families.
- Participate in quality improvement initiatives.
Psychiatric Registered Nurse Safety
Metropolitan State Hospital
06.2017 - Current
- Conduct intake assessment through interview with patient family to gather patient history.
- Assessment and medication protocol for patient’s detoxification.
- Identify normal and abnormal results and report to NPs/MDs.
- Coordinate the behavioral and physical health care needs of the patient.
- Monitor patient’s medication and provide psychiatric nursing services consistent with physician orders and standard nursing practices.
- Assist team members in the coordination of behavioral and physical health care needs the patient.
- Maintain a record of medical history and on-going medical and treatment records.
- Ensure that Patient’s documentation is submitted in a timely fashion.
- Consult with team members regarding development and implementation of the health care needs and goals.
- Coordinate with team members routine medical, vision, lab and dental appointments.
Registered Nurse
Dignity Health California hospital
03.2018 - 07.2022
- Developed and managed nursing care plans.
- Administered medications monitored for adverse effects.
- Monitored patient cardiac rhythms and notified physician of any abnormality.
- Prepared and educated patients on pre- and post-operative cardiac procedures.
- Clinical Coordinated patient discharge plans with healthcare team.
Registered Nurse (Telemetry)
Olympian Medical hospital
05.2017 - 03.2018
- Developed and managed nursing care plans.
- Administered medications monitored for adverse effects.
- Monitored patient cardiac rhythms and notified physician of any abnormality.
- Prepared and educated patients on pre and post-operative cardiac procedures.
- Clinical Coordinated patient discharge plans with healthcare team.
- Documented thorough electronic notes regarding patient care & status during shift resource to support staff.
Clinical Care partner/CNA
Ronald Reagan UCLA Medical Hospital
07.2007 - 11.2017
- Assisted licensed nursing staff in providing direct patient care.
- Helped in the environmental preservation of the nursing unit.
- Cleaned and bathed patients.
- Take patients’ vital signs.
- Provide residents with personal-care services.
- Maintain patients’ records and files as per the facility’s standard operating procedures.
- Turn and change beds.
- Install and empty catheter bags.
Education
Master of Science in Nursing - Family Nurse Practitioner
Walden University
Minneapolis, MN02.2022
NP Certification Academy Intensive review - Psychopharmacology
Doctorate Degree in HealthCare Administration Management - Student
University of Virginia
01.2025
Bachelor of Science in Nursing - Bachelor’s Degree in Nursing
07.2021
Association Degree in Nursing - undefined
Los Angeles Southwest College
12.2005
Skills
- Psychiatric Assessment & Diagnosis (Adults & Adolescents)
- Medication Management & Psychopharmacology
- Outpatient Psychiatry & Telehealth Mental Health Services
- Substance Use Disorder (SUD) & Medication-Assisted Treatment (MAT)
- Crisis Intervention & Suicide Risk Assessment
- Post-Traumatic Stress Disorder (PTSD) Management
- Cognitive Behavioral Therapy (CBT) & Motivational Interviewing (MI)
- Dual Diagnosis & Co-Occurring Disorders Treatment
Accomplishments
- Accomplished in psychopharmacology
- Suicide risk assessment
- BLS/ ACLS certified
- Great teaching skill
- Superior communication skills
Certification
- Advanced Practice Registered Nurse, State of California, Current
- Registered Nurse, State of California, issued, current
- American Nurses Credentialing Center (ANCC) Board Certification – Current
- Psychiatric Mental Health Nurse Practitioner, PMHNP-BC current
- American Heart Association, ACLS, BLS all Current
Languages
English
Professional Working
Timeline
PMHNP-BC
Trinity Behavioral Health
10.2024 - Current
Registered Nurse
Dignity Health California hospital
03.2018 - 07.2022
Psychiatric Registered Nurse Safety
Metropolitan State Hospital
06.2017 - Current
Registered Nurse (Telemetry)
Olympian Medical hospital
05.2017 - 03.2018
Clinical Care partner/CNA
Ronald Reagan UCLA Medical Hospital
07.2007 - 11.2017
Tri-State Community Healthcare Center
Total Care Medical Clinic
NP Certification Academy Intensive review - Psychopharmacology
Doctorate Degree in HealthCare Administration Management - Student
University of Virginia
Bachelor of Science in Nursing - Bachelor’s Degree in Nursing
Association Degree in Nursing - undefined
Los Angeles Southwest College
Master of Science in Nursing - Family Nurse Practitioner
Walden University