About Dr. Oliver M. Harmon, DDS
Dental care often slips down the priority list until a nagging ache or a cracked filling reminds us it’s time for a check-up. In Upper Marlboro, Dr. Oliver M. Harmon, DDS offers routine cleanings, fillings, crowns, and emergency treatments without the runaround of a larger clinic. The practice sits at 932 Largo Center Dr, a short drive from the courthouse and the quiet side streets where oaks shade the sidewalks.
Most visits here cover everything from digital X-rays to root canals, so patients can schedule multiple procedures in one trip. When it’s time to book, (301) 322-8900 connects directly to the front desk—no automated menu to navigate. For directions, the map at this link plots the quickest route from any corner of Prince George’s County.
This listing was last updated on May 14, 2026
