ZACHARIAH OVERBY

Dr. Zachariah Overby is a board‑certified Family Medicine physician who earned his Doctor of Medicine from the University of Tennessee Health Science Center in Memphis, Tennessee. He completed his Family Medicine residency with the United States Air Force at Eglin Air Force Base and served as an Air Force Allergy Extender, receiving specialized training in allergy and immunology at Wilford Hall Medical Center. He is ACLS and BLS certified and brings a wealth of clinical experience to his practice.

At Crossbridge Direct Primary Care, Dr. Overby embraces the Direct Primary Care model, offering a small patient panel that allows for personalized, relationship‑focused care. Patients benefit from same‑day or next‑day scheduling, 30‑minute appointments, and direct access via phone, text, or virtual visits, ensuring comprehensive primary care without the constraints of traditional insurance billing.

Beyond his clinical duties, Dr. Overby is an Air Force veteran and reservist who leverages his military training to provide allergy testing and immunotherapy services to the community. He is actively involved in health education through Crossbridge DPC newsletters and community outreach, aiming to improve the well‑being of families in the Greenville, SC area.