David D. Dang, M.D.M.D.Unclaimed · claim itRheumatologyGarden Grove, CA28 years experienceCalculated from a graduation year of 1998, reported in the CMS National Downloadable File.(714) 210-1300NPI 1932162385View Profile Claim
Harbor Arthritis and Medical ClinicUnclaimed · claim itRheumatologyGarden Grove, CA19 years in businessThis organization has held a National Provider Identifier since 2007. That is when it registered with CMS, which may be later than the practice was founded.(714) 210-1300NPI 1568669042View Profile Claim