James C. Kellner, D.D.S.
Dentist · Watertown, WI
James C. Kellner, D.D.S. is a dentist with a practice address in Watertown, Wisconsin, and NPI 1609130319, issued on Jun 27, 2012. Check the license (Wisconsin 6945-15, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- James C. Kellner
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- 6945-15 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1518 Doctors CT, Watertown, WI 53094
- Phone
- (920) 261-8228
- Enumerated
- Jun 27, 2012
- Record last updated
- Jun 27, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 1518 Doctors CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Buchholtz, DDSGeneral Practice Dentistry1902227267
- Ross Oberschlake, D.D.S.Dentist1801182225
Verify James C. Kellner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 6945-15Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average dentist in 2024
31 Medicare Part D claims for 23 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin15 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.
12 dentist records list a practice address in Watertown
They are 12 of the 366 NPPES records with a practice address in Watertown, and 1,750 dentist records in Wisconsin.
All 12 in Watertown → All 1,750 in Wisconsin → Every provider in Watertown →
Other dentist records in Wisconsin
- Buhisa AbdelkafiRacine, WI1881383586
- Hooman Abdolisereshki, DDSPlymouth, WI1619369279
- Megan Abell, DDSMadison, WI1346477361
- Matthew Abraham, DDSLadysmith, WI1912350448
- Nicolas Abujamra, DDS, MSGreen Bay, WI1720123201
- Guillermo Aceves, DDSJanesville, WI1447090766
- Amber Ackerman, DMDMount Horeb, WI1497646509
- Erica Adams, DMDMadison, WI1275101909
- Hala Afifa, DDSMilwaukee, WI1891363198
- Aarushi Agarwal, DMDMadison, WI1841977717
Common questions
What is James C. Kellner, D.D.S.'s NPI number?
James C. Kellner, D.D.S.'s National Provider Identifier (NPI) is 1609130319, issued on Jun 27, 2012. An NPI identifies a provider in billing; it is not a license.
Where is James C. Kellner, D.D.S. located?
The NPPES record lists a practice address at 1518 Doctors CT, Watertown, WI, 53094. Phone: (920) 261-8228. Providers update this record themselves, so call before visiting.
How can I verify James C. Kellner, D.D.S.'s license?
NPPES lists Wisconsin license number 6945-15, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does James C. Kellner, D.D.S. prescribe under Medicare Part D?
In 2024, James C. Kellner, D.D.S. had 31 Medicare Part D claims for 23 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.