Katharine L. Gaj, DPT, OCS, COMT, ATCDPT, OCS, COMT, ATCUnclaimed · claim itPhysical Therapist — OrthopedicElkhart, IN13+ years experienceRegistered with an NPI since 2013. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(574) 389-5558NPI 1679916506View Profile Claim