Joshua Grenier
Dentist · Otisfield, ME
Joshua Grenier is a dentist with a practice address in Otisfield, Maine, and NPI 1972973675, issued on Oct 7, 2015. Check the license (Maine DEN4452, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joshua Grenier
- Primary taxonomy
- Dentist 122300000X
- License number
- DEN4452 ME
Self-reported in NPPES; status is on the state search - Practice location
- 191 Hidden Lake RD, Otisfield, ME 04270
- Phone
- (207) 890-2565
- Enumerated
- Oct 7, 2015
- Record last updated
- Oct 7, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 390 in Maine → Look up another NPI →
Verify Joshua Grenier in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license DEN4452Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average dentist in 2024
129 Medicare Part D claims for 72 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin55 claims
- Ibuprofen46 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.
Joshua Grenier among 390 dentist records in Maine
Joshua Grenier is one of 390 dentist records with a practice address in Maine. 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 2015, is newer than 59% of them.
- NPI issued2015 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2015 · 65% 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 Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in Maine
There are 390 dentist records in Maine.
The 8 dentist records with the nearest ZIP codes
- Majorie Howe, DMDNorway, ME 042681952404584
- Glenn Wood, D.M.D.Norway, ME 042681922187863
- Bruce Ross, DMDRumford, ME 042761396789277
- Nicholas Sirois, D.M.D.Rumford, ME 042761104186865
- Windy Williams, D.D.S.Rumford, ME 042761992955413
- Myung Kim, D.M.D.South Paris, ME 042811821215039
- Allan MulandiSouth Paris, ME 042811982017281
- Carleton Neil, DMDLivermore Falls, ME 042541336887918
Common questions
What is Joshua Grenier's NPI number?
Joshua Grenier's National Provider Identifier (NPI) is 1972973675, issued on Oct 7, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Grenier located?
The NPPES record lists a practice address at 191 Hidden Lake RD, Otisfield, ME, 04270. Phone: (207) 890-2565. Providers update this record themselves, so call before visiting.
How can I verify Joshua Grenier's license?
NPPES lists Maine license number DEN4452, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Joshua Grenier prescribe under Medicare Part D?
In 2024, Joshua Grenier had 129 Medicare Part D claims for 72 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.