Dr. Rena JohnsonMD, MPH, ABFM

Family Medicine

at Centennial Medical Group — Columbia, MD

About

Dr. Rena Marie Johnson is a Washington, DC native who traces her path to medicine back to discoveries in a seventh-grade science class. She studied at Howard University College of Medicine and earned a Master of Public Health from George Washington University School of Public Health. She holds board certification through the American Board of Family Medicine. Dr. Johnson believes that ongoing, trusted relationships between patients and their physicians produce the best health outcomes across all communities. That conviction guides her approach to family practice every day.

Education & Training

Medical School

Howard University College of Medicine

Additional Training

Master of Public Health (MPH), George Washington University School of Public Health

Certifications

ABFM (American Board of Family Medicine)

Who is Dr. Johnson right for?

Dr. Johnson is a strong fit for patients who value a long-term relationship with their physician. Adults and families seeking a consistent, trusted primary care provider benefit from her approach. Patients with an interest in community health and preventive care align well with her public health background. Her focus on continuity makes her especially effective for those managing ongoing health concerns.

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Frequently Asked Questions

Dr. Johnson practices family medicine and primary care. She sees patients across a range of ages and health concerns. Her focus is on building ongoing relationships that support better long-term health outcomes.

Yes, Dr. Johnson holds board certification through the American Board of Family Medicine. She earned her medical degree from Howard University College of Medicine.

Yes. Dr. Johnson earned a Master of Public Health from George Washington University School of Public Health. That background informs her community-centered approach to family medicine.

Dr. Johnson believes that ongoing, trusted relationships between patients and physicians produce the best health outcomes. That conviction guides how she approaches every visit and every patient interaction.

Dr. Johnson treats a broad range of conditions typical to family medicine and primary care. This includes preventive care, chronic disease management, and acute illnesses across patient age groups.

Dr. Johnson completed her medical degree at Howard University College of Medicine. She then earned a Master of Public Health at George Washington University School of Public Health.

Doctor profile last updated March 21, 2026