William P. Ryan, D.M.D.
General Practice Dentistry · Winsted, CT
William P. Ryan, D.M.D. is a general practice dentistry with a practice address in Winsted, Connecticut, and NPI 1548354012, issued on Oct 2, 2006. Check the license (Connecticut 6363, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William P. Ryan
- Credential
- D.M.D.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 6363 CT
Self-reported in NPPES; status is on the state search - Practice location
- 10 Hinsdale Ave, Winsted, CT 06098
- Phone
- (860) 379-4382
- Enumerated
- Oct 2, 2006
- Record last updated
- Dec 16, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (860) 738-4720
- Entity
- Type 1 · individual
Also registered at 10 Hinsdale Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Scott Kozlak, D.M.D.General Practice Dentistry1932496544
- Kaitlin Peretto, D.M.D.General Practice Dentistry1003170374
Verify William P. Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 6363Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% more Medicare Part D claims than the average general practice dentistry in 2024
110 Medicare Part D claims for 70 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
- Amoxicillin49 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.
5 general practice dentistry records list a practice address in Winsted
They are 5 of the 70 NPPES records with a practice address in Winsted, and 1,731 general practice dentistry records in Connecticut.
All 5 in Winsted → All 1,731 in Connecticut → Every provider in Winsted →
Other general practice dentistry records in Connecticut
- Michelle AbateEast Hartford, CT1417512971
- Jadee Abbott, DDSBerlin, CT1801456306
- Bruce Abel, D.M.D.West Hartford, CT1265553119
- Stuart Abrams, DMDStamford, CT1003994393
- Dimitri Adamidis, DMDNewington, CT1558008102
- Dunkin AdamsNorwalk, CT1598330045
- Tabrez Adil, DMDMiddletown, CT1184101263
- Shande Adinyaguev, DDSNew Haven, CT1346862570
- Mehnosh Afkari, D.M.D.Norwalk, CT1710093711
- Ervin Agababaev, DDSNorwalk, CT1922197557
Common questions
What is William P. Ryan, D.M.D.'s NPI number?
William P. Ryan, D.M.D.'s National Provider Identifier (NPI) is 1548354012, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William P. Ryan, D.M.D. located?
The NPPES record lists a practice address at 10 Hinsdale Ave, Winsted, CT, 06098. Phone: (860) 379-4382. Providers update this record themselves, so call before visiting.
How can I verify William P. Ryan, D.M.D.'s license?
NPPES lists Connecticut license number 6363, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does William P. Ryan, D.M.D. prescribe under Medicare Part D?
In 2024, William P. Ryan, D.M.D. had 110 Medicare Part D claims for 70 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.