
Dinesh Sethi, MD is a board-certified internal medicine physician and geriatrician with over 30 years of experience in patient care and medical education. He serves as Medical Director within Skilled Nursing Facility settings, overseeing clinical quality, interdisciplinary care coordination, and regulatory alignment across post-acute care environments.
He is also the Program Director for Geriatrics at Mount Sinai South Nassau, where he leads physician training with a focus on geriatric care, complex patient management, and real-world clinical readiness.
With extensive experience in rehabilitation centers and assisted living facilities, Dr. Sethi's work bridges clinical excellence with education, developing physicians and care teams who are equipped to navigate modern healthcare systems with strong communication, leadership, and patient-centered care principles.
At APEX Healthcare Performance Group, Dr. Sethi serves as Co-founder and CFO, bringing his deep medical expertise and leadership experience to guide the organization's strategic direction and ensure clinical excellence across all programs.
Through APEX Clinical Rotations - Medical, Dr. Sethi provides direct mentorship to International Medical Graduates (IMGs) preparing for residency, as well as Nurse Practitioners (NPs) and Physician Assistants (PAs) transitioning to U.S. clinical practice.
IMGs, NPs, and PAs can receive direct mentorship and clinical experience under Dr. Sethi's guidance.