At MD Senior Care, our Leadership Team drives our mission to deliver exceptional care for seniors. Guided by integrity, compassion, and innovation, our leaders bring deep clinical expertise and strong healthcare business acumen, coupled with organizational excellence, to ensure quality and safety at every level. Through strategic vision and a patient-centered approach, they empower our medical partners to uphold the highest standards of care and foster a culture where every member is treated with dignity, respect, and attentive support.

President/Chief Executive Officer
Dr. David Hernandez-Rodriguez is a board-certified internist with 20+ years of experience. He began as a hospitalist at White Memorial and later served at AltaMed’s PACE program in Los Angeles, which strengthened his passion for senior care.
He personally owns four private practices under the Hernandez Health brand. He leads MD Senior Care Medical Group by combining clinical experience with business leadership, focusing on helping fellow providers grow their practices while advancing quality patient care across the Southern California region.
Vice President, Business Development
Bryan Hernandez Chambi leads market strategy by building payer and hospital partnerships, expands the specialist network, and oversees contracting, credentialing, and referral growth to improve patient access and value-based health outcomes.
He earned an MBA from La Sierra University and is on track to graduate from Loma Linda University School of Medicine.
Quality Improvement Director
Dianna Hernandez Chambi earned her BSN, RN from Loma Linda University School of Nursing in 2022 and worked for one year at Loma Linda University Medical Center.
She then obtained her MSN from West Coast University and is currently pursuing her DNP at Loma Linda University, with an emphasis in clinical quality improvement education.