William R. Cummiskey, DDS
Dentist · Canaan, CT
William R. Cummiskey, DDS is a dentist with a practice address in Canaan, Connecticut, and NPI 1265654578, issued on May 3, 2007. Check the license (Connecticut 8145, as entered in NPPES) with the Connecticut board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William R. Cummiskey
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 8145 CT
Self-reported in NPPES; status is on the state search - Practice location
- 60 Church St, Canaan, CT 06018
- Phone
- (860) 824-5101
- Enumerated
- May 3, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 862 in Connecticut → Look up another NPI →
Also registered at 60 Church St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Bird, D.D.S.General Practice Dentistry1518997436
- John Dannon, DMDGeneral Practice Dentistry1003044157
Verify William R. Cummiskey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this profession
Search for license 8145Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% more Medicare Part D claims than the average dentist in 2024
163 Medicare Part D claims for 120 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
- Amoxicillin75 claims
- Penicillin V Potassium35 claims
- Doxycycline Hyclate13 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.
Industry payments in 2024: $85.95
3 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
William R. Cummiskey among 862 dentist records in Connecticut
William R. Cummiskey, DDS is one of 862 dentist records with a practice address in Connecticut. 61% 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 21% of them.
- NPI issued2007 · 21% of these records are older, 55% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 75% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in Connecticut
There are 862 dentist records in Connecticut.
All 862 in Connecticut → Every provider in Canaan → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Janot Bente, D.M.D.Canton, CT 060191114130580
- Jo-Ann Castellone, D.M.D.Canton, CT 060191609118421
- Jason Kasprzak, D.M.D.Canton, CT 060191255544110
- Matthew Keefe, D.M.D.Canton, CT 060191073734505
- Theresa Keefe, D.M.D.Canton, CT 060191164643607
- Charles Keefe, D.M.D.Canton, CT 060191487876272
- Cailyn Abramson, D.M.D.Burlington, CT 060131437303831
- Meghan Alexander, DMDBurlington, CT 060131770782492
Common questions
What is William R. Cummiskey, DDS's NPI number?
William R. Cummiskey, DDS's National Provider Identifier (NPI) is 1265654578, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William R. Cummiskey, DDS located?
The NPPES record lists a practice address at 60 Church St, Canaan, CT, 06018. Phone: (860) 824-5101. Providers update this record themselves, so call before visiting.
How can I verify William R. Cummiskey, DDS's license?
NPPES lists Connecticut license number 8145, as entered by the provider. Search the Connecticut board that licenses this profession; the NPPES record confirms identity only.
How much does William R. Cummiskey, DDS prescribe under Medicare Part D?
In 2024, William R. Cummiskey, DDS had 163 Medicare Part D claims for 120 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.