NPPES file of Aug 9, 2026

Joseph Nihal Gunasekera, DDS

General Practice Dentistry · Watertown, WI

Joseph Nihal Gunasekera, DDS is a general practice dentistry with a practice address in Watertown, Wisconsin, and NPI 1295226835, issued on May 18, 2018. Check the license (Wisconsin 1001804, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1295226835
Name
Joseph Nihal Gunasekera
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
1001804 WI
Self-reported in NPPES; status is on the state search
Practice location
101 Oakridge CT Ste C, Watertown, WI 53094
Phone
(920) 261-5400
Enumerated
May 18, 2018
Record last updated
May 18, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20250626002367); may accept Medicare assignment
Medical or professional school
Ohio State University College Of Dentistry, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 101 Oakridge CT Ste C

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Aileen Jong, DMDDentist1053983742
  2. Michael Wertz, D.D.S.General Practice Dentistry1265514335

Verify Joseph Nihal Gunasekera in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 1001804
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wisconsin license search

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9 general practice dentistry records list a practice address in Watertown

They are 9 of the 366 NPPES records with a practice address in Watertown, and 2,305 general practice dentistry records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other general practice dentistry records in Wisconsin

  1. Komail Abbas, D.M.D.Kenosha, WI1114206109
  2. Dennis Abere, DDSWaukesha, WI1962585281
  3. Caleb Abfall, DDSGreen Bay, WI1336851765
  4. Margaret Aboagye, DDSRacine, WI1629150289
  5. Jennifer Abraham, D.D.S.Thiensville, WI1295944619
  6. Reena Abraham, DMDMarshfield, WI1457589491
  7. Theresa Adamczyk, DDSOshkosh, WI1962882308
  8. Frances Adjepon-YamoahMadison, WI1689281081
  9. Mohamed Adl, DDSWest Allis, WI1083640460
  10. Dennis Adler, DDSMount Horeb, WI1083787626

Common questions

What is Joseph Nihal Gunasekera, DDS's NPI number?

Joseph Nihal Gunasekera, DDS's National Provider Identifier (NPI) is 1295226835, issued on May 18, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Nihal Gunasekera, DDS located?

The NPPES record lists a practice address at 101 Oakridge CT Ste C, Watertown, WI, 53094. Phone: (920) 261-5400. Providers update this record themselves, so call before visiting.

How can I verify Joseph Nihal Gunasekera, DDS's license?

NPPES lists Wisconsin license number 1001804, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity 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. 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.