Jeffrey M. Niizawa, M.D.M.D.Unclaimed · claim itGastroenterologyBullhead City, AZ38 years experienceCalculated from a graduation year of 1988, reported in the CMS National Downloadable File.(928) 763-2500NPI 1922015445View Profile Claim
Tri State Gastroenterology, p.c.Unclaimed · claim itGastroenterologyBullhead City, AZ20 years in businessThis organization has held a National Provider Identifier since 2006. That is when it registered with CMS, which may be later than the practice was founded.(928) 763-1680NPI 1922071687View Profile Claim