James Guilbault, DMD
Dentist · Winslow, ME
James Guilbault, DMD is a dentist with a practice address in Winslow, Maine, and NPI 1891484325, issued on May 2, 2023. Check the license (Maine DEN5319, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James Guilbault
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- DEN5319 ME
Self-reported in NPPES; status is on the state search - Practice location
- 464 Benton Ave, Winslow, ME 04901
- Phone
- (207) 872-7833
- Enumerated
- May 2, 2023
- Record last updated
- Jan 13, 2026
- Entity
- Type 1 · individual
8 nearest dentist records → All 390 in Maine → Look up another NPI →
Also registered at 464 Benton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Bonney, RDHDental Hygienist1588898613
- Paul Dunbar, D.D.S.General Practice Dentistry1407802044
- Carla Newcomb, RDHDental Hygienist1639313687
Verify James Guilbault in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license DEN5319Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average dentist in 2024
22 Medicare Part D claims for 16 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin13 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.
James Guilbault among 390 dentist records in Maine
James Guilbault, DMD 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 2023, is newer than 86% of them.
- NPI issued2023 · 86% of these records are older, 9% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2026 · 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).
3 dentist records list a practice address in Winslow
They are 3 of the 51 NPPES records with a practice address in Winslow, and 390 dentist records in Maine.
All 390 in Maine → Every provider in Winslow → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Libby BreznyakWaterville, ME 049011144154238
- Steven Klasson, D.M.D.Winslow, ME 049011518042209
- Stephen Klinker, D.D.S.Waterville, ME 049011730393158
- Douglas Laliberte, D.M.D.Waterville, ME 049011609004449
- Anna O'Keefe, DMDWaterville, ME 049011558655597
- Jae Min Park, DDSWaterville, ME 049011043101074
- David Tyler, DDSWaterville, ME 049011922182591
- Chenyu Wang, DMDWinslow, ME 049011275104630
Common questions
What is James Guilbault, DMD's NPI number?
James Guilbault, DMD's National Provider Identifier (NPI) is 1891484325, issued on May 2, 2023. An NPI identifies a provider in billing; it is not a license.
Where is James Guilbault, DMD located?
The NPPES record lists a practice address at 464 Benton Ave, Winslow, ME, 04901. Phone: (207) 872-7833. Providers update this record themselves, so call before visiting.
How can I verify James Guilbault, DMD's license?
NPPES lists Maine license number DEN5319, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does James Guilbault, DMD prescribe under Medicare Part D?
In 2024, James Guilbault, DMD had 22 Medicare Part D claims for 16 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.