Marc Allen, MD

Emergency Medicine · Willoughby, OH

Primary taxonomy

207P00000X

Enumerated

2006-03-30

Practice location

Willoughby, OH

Last NPPES update

2026-07-13

Source: CMS National Plan & Provider Enumeration System (NPPES) and state licensing boards. ScrubHub shows name, credential, taxonomy, practice city/state and license status only.