Michael Joseph Dinn, D.M.D.
Dentist · Sandwich, MA
Michael Joseph Dinn, D.M.D. is a dentist with a practice address in Sandwich, Massachusetts, and NPI 1194859116, issued on Mar 14, 2007. Check the license (Massachusetts 20951, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael Joseph Dinn
- Credential
- D.M.D.
- Primary taxonomy
- Dentist 122300000X
- License number
- 20951 MA
Self-reported in NPPES; status is on the state search - Practice location
- 93 Route 6A, Sandwich, MA 02563
- Phone
- (508) 888-1515
- Enumerated
- Mar 14, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (508) 888-1552
- Entity
- Type 1 · individual
8 nearest dentist records → All 2,934 in Massachusetts → Look up another NPI →
Also registered at 93 Route 6A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christian Dinn, DMDDentist1831331677
Verify Michael Joseph Dinn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 20951Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average dentist in 2024
107 Medicare Part D claims for 93 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin79 claims
- Clindamycin Hcl16 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.
Michael Joseph Dinn among 2,934 dentist records in Massachusetts
Michael Joseph Dinn, D.M.D. is one of 2,934 dentist records with a practice address in Massachusetts. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 12% of them.
- NPI issued2007 · 12% of these records are older, 77% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 dentist records list a practice address in Sandwich
They are 4 of the 153 NPPES records with a practice address in Sandwich, and 2,934 dentist records in Massachusetts.
All 2,934 in Massachusetts → Every provider in Sandwich → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Christian Dinn, DMDSandwich, MA 025631831331677
- Steven Robinson, DMDSandwich, MA 025631669553889
- Warren Woods, DMDSandwich, MA 025631821598038
- Debra George, DMDVineyard Haven, MA 025681104253988
- Scott Sweeney, DDSVineyard Haven, MA 025681396904306
- Casey Pedro, DMDOak Bluffs, MA 025571245415124
- Carolyn Swain, D.D.S., M.S.Oak Bluffs, MA 025571629291547
- Derek Asack, DMDWareham, MA 025711700581220
Common questions
What is Michael Joseph Dinn, D.M.D.'s NPI number?
Michael Joseph Dinn, D.M.D.'s National Provider Identifier (NPI) is 1194859116, issued on Mar 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Joseph Dinn, D.M.D. located?
The NPPES record lists a practice address at 93 Route 6A, Sandwich, MA, 02563. Phone: (508) 888-1515. Providers update this record themselves, so call before visiting.
How can I verify Michael Joseph Dinn, D.M.D.'s license?
NPPES lists Massachusetts license number 20951, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Michael Joseph Dinn, D.M.D. prescribe under Medicare Part D?
In 2024, Michael Joseph Dinn, D.M.D. had 107 Medicare Part D claims for 93 beneficiaries; the average among dentist prescribers was 86. 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.