Dr. Joseph Nihal Gunasekera
Dr. Joseph N. Gunasekera
Last updated: May 18, 2018

Dr. Joseph N. Gunasekera

  • Gender: Male
  • Sole propriator: No
  • NPI: 1295226835

Dr. Joseph N. Gunasekera II DDS

Dentist

He is located at 101 Oakridge Court Suite C in Watertown, WI 53094. Can help patients with the following: Dental Emergency, Dental Exam and Cleaning, Dental Malocclusion, Dentin Hypersensitivity, Gum Disease / Gingivitis, Laser. His National Provider Identifier (NPI) number is 1295226835. Appointment can be made via the phone number (920) 261-5400. He is affiliated with 1 practices.

Conditions treated

Dr. Joseph Nihal Gunasekera, being an dentist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Joseph N. Gunasekera.

  • Bleeding Gums
  • Cosmetic Dentistry
  • Dental Bridges
  • Dental Crowns and Caps
  • Dental Emergency
  • Dental Exam and Cleaning
  • Dental Implants
  • Dental Malocclusion
  • Dentin Hypersensitivity
  • Dentures
  • Gum Disease / Gingivitis
  • Invisalign
  • Laser
  • Oral Cancer Examination
  • Pericoronitis
  • Teeth Grinding
  • Teeth Whitening
  • Veneers

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Joseph N. Gunasekera as in-network for the following 2026 plans.

Dental plans

Humana

Network data as of Sep 13, 2026, as reported by the insurer.

Humana plans
Plan Plan type Network tier New patients
Humana Dental Smart Choice PPO · Low Preferred Accepting new patients

Renaissance Dental

Network data as of Sep 16, 2026, as reported by the insurer.

Renaissance Dental plans
Plan Plan type Network tier New patients
Wisconsin Preferred Plan PPO · Low Preferred Accepting new patients
Wisconsin Preferred Plan (Pediatric Only) PPO · Low Preferred Accepting new patients
Wisconsin Wellness Essentials PPO · Low Preferred Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Joseph N. Gunasekera is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Joseph N. Gunasekera is enrolled to bill Medicare as a Practitioner - Dentist .

Bills through: Health Partners Of Western Ohio

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Affiliated practices

Associated Dentists of Watertown
101 Oakridge Court
Watertown, 53094 WI
(920) 261-5400

Looking for more Dentists?

Out of the 16 dentists in this region, here are 10 randomly selected ones for you to explore.

Dr. Robert Scott Johnson
  • Gender: Male
  • Address: 314 West Main Street Watertown, 53094, WI
Dr. Nicole L. Huggett
  • Gender: Female
  • Address: Suite C 101 Oakridge Court Watertown, 53094, WI
Dr. Thomas Gerard Bradley
  • Gender: Male
  • Address: 1510 Doctors Court Watertown, 53094, WI
Dr. Cassandra Dae Hammen
  • Gender: Female
  • Address: 920 Indian Spring Drive Delafield, 53018, WI
Dr. Michael J. Wertz
  • Gender: Male
  • Address: Suite C 101 Oakridge Court Watertown, 53094, WI
Dr. Jarrod Bruce Thomas
  • Gender: Male
  • Address: 1149 Boughton Street Watertown, 53094, WI
Dr. James C. Kellner
  • Gender: Male
  • Address: 1518 Doctors Court Watertown, 53094, WI
Dr. Cary J. Gillingham
  • Gender: Male
  • Address: Suite C 101 Oakridge Court Watertown, 53094, WI
Dr. Audra Long
  • Gender: Female
  • Address: 1510 Doctors Court Watertown, 53094, WI
Dr. Harry E. Gibson
  • Gender: Male
  • Address: Building B 1149 Boughton Street Watertown, 53094, WI

Questions & Answers

Does Dr. Joseph Nihal Gunasekera accept insurance?

Dr. Joseph Nihal Gunasekera is listed in-network for 4 ACA Marketplace (Obamacare/HealthCare.gov) plans from Humana, Renaissance Dental. See the Marketplace plans section for details.

Does Dr. Joseph Nihal Gunasekera have affiliation with practices?

Dr. Joseph Nihal Gunasekera is affiliated with Associated Dentists of Watertown.

What conditions does Dr. Joseph Nihal Gunasekera treat?

Dr. Joseph Nihal Gunasekera provides treatment for Dental Emergency, Dental Exam and Cleaning, Dental Malocclusion, Dentin Hypersensitivity, Gum Disease / Gingivitis, Laser. For the full list see this list.

Where can you meet with Dr. Joseph Nihal Gunasekera?

Dr. Joseph Nihal Gunasekera's office is located at 101 Oakridge Court Suite C in Watertown, WI 53094.