Gary Koterwas, DDS practices oral and maxillofacial surgery in Hagerstown, MD at 19414 Leitersburg Pike, Hagerstown, MD 21742. National Provider Identifier 1558355529, registered with CMS on September 7, 2005. Phone 3017911700. No Google rating has been collected for this location yet. DentalPeach Score 67 out of 100, calculated from 1 measured component (see /how-we-score).
Peach Score
67 / 100 · Solid
Findability and upkeep: 67/100 (weight 20) — phone on file, federal record updated within 5 years
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Source: NPPES record for NPI 1558355529, last updated in the federal file on July 13, 2026. A federal record can lag a move or a retirement — call before you go.