NPPES file of Aug 9, 2026

Mark Edward Grubb, D.D.S.

Oral and Maxillofacial Pathology Dentistry · Bangor, ME

Mark Edward Grubb, D.D.S. is an oral and maxillofacial pathology dentistry with a practice address in Bangor, Maine, and NPI 1518003094, issued on Jan 30, 2007. Check the license (Maine 3340, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1518003094
Name
Mark Edward Grubb
Credential
D.D.S.
Primary taxonomy
Oral and Maxillofacial Pathology Dentistry 1223P0106X
License number
3340 ME
Self-reported in NPPES; status is on the state search
Practice location
37 Bower St, Bangor, ME 04401
Phone
(207) 945-5691
Enumerated
Jan 30, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(207) 942-9525
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 37 Bower St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. William Deighan, D.M.D.Oral and Maxillofacial Pathology Dentistry1073659538

Verify Mark Edward Grubb in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maine board licenses this profession
    Search for license 3340
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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62% fewer Medicare Part D claims than the average oral and maxillofacial pathology dentistry in 2024

107 Medicare Part D claims for 50 beneficiaries, against an average of 284 among the 269 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 22 claims were for opioids.

  1. Mark Grubb107
  2. Specialty average284

Most prescribed

  1. Amoxicillin44 claims
  2. Tramadol Hcl17 claims
  3. Chlorhexidine Gluconate12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $35.72

1 payment: food and beverage; the largest payer was Straumann USA LLC. The 130 providers of this specialty with any payment received $1,322.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Grubb$35.72
  2. Specialty average$1,322.50

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Oral and Maxillofacial Pathology Dentistry providers in Maine

There are 7 oral and maxillofacial pathology dentistry records in Maine.

The 6 oral and maxillofacial pathology dentistry records with the nearest ZIP codes

  1. William Deighan, D.M.D.Bangor, ME 044011073659538
  2. Robert Moore, DDS, MDBangor, ME 044011669511374
  3. Molly Cohen, DMDPortland, ME 041031407142540
  4. Tessie Stansbury, DMDPortland, ME 041031881094068
  5. Paul Auclair, M.D.Portland, ME 041021255404836
  6. Richard Lemieux, DMDPortland, ME 041021548295520

Common questions

What is Mark Edward Grubb, D.D.S.'s NPI number?

Mark Edward Grubb, D.D.S.'s National Provider Identifier (NPI) is 1518003094, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark Edward Grubb, D.D.S. located?

The NPPES record lists a practice address at 37 Bower St, Bangor, ME, 04401. Phone: (207) 945-5691. Providers update this record themselves, so call before visiting.

How can I verify Mark Edward Grubb, D.D.S.'s license?

NPPES lists Maine license number 3340, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.

How much does Mark Edward Grubb, D.D.S. prescribe under Medicare Part D?

In 2024, Mark Edward Grubb, D.D.S. had 107 Medicare Part D claims for 50 beneficiaries; the average among oral and maxillofacial pathology dentistry prescribers was 284. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.