William C. Caddoo, DMD
Dentist · Ellsworth, ME
William C. Caddoo, DMD is a dentist with a practice address in Ellsworth, Maine, and NPI 1700989357, issued on Sep 7, 2006. Check the license (Maine 2179, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William C. Caddoo
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 2179 ME
Self-reported in NPPES; status is on the state search - Practice location
- 175 Water Street, Ellsworth, ME 04605
- Phone
- (207) 667-5744
- Enumerated
- Sep 7, 2006
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (207) 664-2111
- Entity
- Type 1 · individual
8 nearest dentist records → All 390 in Maine → Look up another NPI →
Verify William C. Caddoo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license 2179Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average dentist in 2024
15 Medicare Part D claims for 12 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
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.
William C. Caddoo among 390 dentist records in Maine
William C. Caddoo, 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 73% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2007 · 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.
All 390 in Maine → Every provider in Ellsworth → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Sagar Marwah, DDSEllsworth, ME 046051942027453
- Aaron Palmer, D.M.DEllsworth, ME 046051639336902
- Spencer Ross, DMDEllsworth, ME 046051598326696
- Kevin Wright, DMDEllsworth, ME 046051093372906
- Christopher Maller, DMD PABar Harbor, ME 046091962577163
- Audree Park, DDSBar Harbor, ME 046091538323472
- Karen Delaney, DDSCalais, ME 046191104205772
- William Gould, DDSCalais, ME 046191588770689
Common questions
What is William C. Caddoo, DMD's NPI number?
William C. Caddoo, DMD's National Provider Identifier (NPI) is 1700989357, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William C. Caddoo, DMD located?
The NPPES record lists a practice address at 175 Water Street, Ellsworth, ME, 04605. Phone: (207) 667-5744. Providers update this record themselves, so call before visiting.
How can I verify William C. Caddoo, DMD's license?
NPPES lists Maine license number 2179, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does William C. Caddoo, DMD prescribe under Medicare Part D?
In 2024, William C. Caddoo, DMD had 15 Medicare Part D claims for 12 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.