• Normal Hours of Operation:
  • Monday to Saturday: 9:00 AM - 5:00 PM
  • Special Hours of Operation:
  • Monday to Sunday: 6:00 AM - 9:00 AM & 5:00 PM - 10:00 PM
  • Please call at least one day in advance to schedule an appointment during these special hours

Providers

Providers

Irmarita Lewis

“A person who has health has hope, and a person who has hope, has everything”

As a young girl growing up in Alabama, Irmarita Lewis was always interested in science, but she developed a passion for it after helping her mother care for her grandparents. She became fascinated with healthcare and serving patients. Inspired by her mothers passion and diligence with caring for her grandparents in the home, Irmarita decided she would one day become a nurse.

Irmarita went on to graduate nursing school as a LVN in 2010 and RN in 2012. She has over 11 years of nursing experience working in both outpatient and inpatient medicine. She has a range of nursing experiences with a wealth of knowledge.
Irmarita decided to further her education and become a nurse practitioner; While preparing for her masters degree, she spent time working on the telemetry unit caring for Covid patients.
She completed her Master’s in Nursing specializing in Family Practice during the height of the Covid Pandemic in 2020. Since completing her degree, she has worked as a mid-level provider practicing in Urgent Care, Covid-19 vaccine clinics, and Family Practice clinics.

Today, she is a nurse practitioner serving the community of Oakland, CA Irmarita is dedicated to providing exceptional health and strives to deliver answers to patents. She loves interacting with people ranging from children to grandparents. During Irmarita’s spare time, she loves to reading cooking and traveling with her her family.

Christiana Umeh

Christiana Umeh, FNP is a board certified nurse practitioner Specialist with a focus on Family Care. She has over 20 years experience in the healthcare field. Prior to working at Osita Health Clinic, Christiana practiced in various community health settings including Kaiser Oakland and San Leandro Hospital. Christiana is passionate about advancing health equity.

Christiana has devoted her career to eliminating health disparities and improving the health of marginalized communities. She enjoys watching movies and spending time with her husband and four kids.

Dr. Josephine Agbowo

Dr. Josephine Agbowo is a warm and diligent family physician. She obtained her medical degree from the University of Kansas. Dr. Agbowo currently sees patients at Osita Health Clinic, located in Oakland, CA.

Dr. Agbowo is certified by the American Board of Family Medicine. She conducts her appointments with personalized care and attention. Parents bring their kids to Dr. Agbowo for various issues such as acid reflux, illness, eczema, and diarrhea. She also provides consultations for acne, urinary tract infection, and rosacea.

Dr. Agbowo is a strong advocate for a personalized approach to patient care. She is practical in her approach and is concerned about the patient’s disease, healing, and quality of life.

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