MARK GRUBB, D.D.S. appears in the CMS NPPES registry as a Oral and Maxillofacial Pathology Dentistry provider holding D.D.S. credentials at 37 BOWER ST, BANGOR, ME, 04401, with a listed phone of (207) 945-5691. NPI 1518003094 was issued on 01/30/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what GRUBB most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 69 prescription claims written by this provider, covering 42 Medicare beneficiaries and totaling roughly $279 in drug spend, with an opioid prescribing rate of 15.9%. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Oral and Maxillofacial Pathology Dentistry is a narrow specialty nationwide, with 690 enrolled providers across 48 states and an average of 303 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.