Brian J. Hasslinger, M.D.M.D.Unclaimed · claim itOtolaryngology — PediatricCumberland, MD40 years experienceCalculated from a graduation year of 1986, reported in the CMS National Downloadable File.(301) 723-4851NPI 1457380602View Profile Claim
Brian Hasslinger, m.d., p.a.Unclaimed · claim itOtolaryngology — PediatricCumberland, MD19 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.(301) 723-4851NPI 1992998272View Profile Claim
