Rick Knudson, PHARM.D., BCPSPHARM.D., BCPSUnclaimed · claim itPharmacist — PharmacotherapyClear Lake, IA19+ years experienceRegistered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.(641) 357-8320NPI 1437350667View Profile Claim