Mark John Diamond, D.D.S.
General Practice Dentistry · Scarborough, ME
Mark John Diamond, D.D.S. is a general practice dentistry with a practice address in Scarborough, Maine, and NPI 1871521369, issued on Jun 30, 2006. Check the license (Maine 3321, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark John Diamond
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 3321 ME
Self-reported in NPPES; status is on the state search - Practice location
- 500 Enterprise Dr, Scarborough, ME 04074
- Phone
- (207) 883-4285
- Enumerated
- Jun 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (207) 883-9891
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 519 in Maine → Look up another NPI →
Also registered at 500 Enterprise Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindsey Brangwynne, D.M.D.Dentist1154768513
Verify Mark John Diamond in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license 3321Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average general practice dentistry in 2024
60 Medicare Part D claims for 36 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin29 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.
Mark John Diamond among 519 general practice dentistry records in Maine
Mark John Diamond, D.D.S. is one of 519 general practice dentistry records with a practice address in Maine. 55% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 64% newer
- In a Medicare fileYes · 55% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Dentistry providers in Maine
There are 519 general practice dentistry records in Maine.
All 519 in Maine → Every provider in Scarborough → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Peter Garramore, DMDScarborough, ME 040741881617165
- Elizabeth Kain, DMDScarborough, ME 040741841876562
- Nichol Penna, D.M.D.Scarborough, ME 040741669783262
- Sonya Shafique, DMDScarborough, ME 040741356977706
- Jonathan Shinay, D.M.D.Scarborough, ME 040741538471420
- John Beaudoin, D.M.D.Sanford, ME 040731235285164
- Lea Beaulieu, DMDSanford, ME 040731073007407
- Jeff Daigle, D.D.S.Sanford, ME 040731629017496
Common questions
What is Mark John Diamond, D.D.S.'s NPI number?
Mark John Diamond, D.D.S.'s National Provider Identifier (NPI) is 1871521369, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark John Diamond, D.D.S. located?
The NPPES record lists a practice address at 500 Enterprise Dr, Scarborough, ME, 04074. Phone: (207) 883-4285. Providers update this record themselves, so call before visiting.
How can I verify Mark John Diamond, D.D.S.'s license?
NPPES lists Maine license number 3321, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Mark John Diamond, D.D.S. prescribe under Medicare Part D?
In 2024, Mark John Diamond, D.D.S. had 60 Medicare Part D claims for 36 beneficiaries; the average among general practice dentistry prescribers was 83. 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.