Dr. James S. Leaman DDS
Dentist
He is located at 820 Summit Avenue in Oconomowoc, WI 53066. Can help patients with the following: Cosmetic Dentistry, Dental Crowns and Caps, Dentin Hypersensitivity, Invisalign, Pericoronitis, Teeth Whitening. His National Provider Identifier (NPI) number is 1306970264. Appointment can be made via the phone number (262) 567-4466. He is affiliated with 1 practices.
Conditions treated
Dr. James S. Leaman, 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. James S. Leaman.
- 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. James S. Leaman as in-network for the following 2026 plans.
Dental plans
Delta Dental of Wisconsin, Inc.
Network data as of Sep 12, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Delta Dental Individual and Family High Plan | PPO · High | Delta Dental PPO and Delta Dental Premier | Accepting new patients |
| Delta Dental Individual and Family Low Plan | PPO · Low | Delta Dental PPO and Delta Dental Premier | Accepting new patients |
| Delta Dental Individual and Family Low Plan Major | PPO · Low | Delta Dental PPO and Delta Dental Premier | Accepting new patients |
| Delta Dental PPO Plus Premier Family Plan High Option | PPO · High | Delta Dental PPO and Delta Dental Premier | Accepting new patients |
| Delta Dental PPO Plus Premier Family Plan Low Option | PPO · Low | Delta Dental PPO and Delta Dental Premier | Accepting new patients |
Humana
Network data as of Sep 13, 2026, as reported by the insurer.
| 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.
| 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. James S. Leaman is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. James S. Leaman is enrolled to bill Medicare as a Order And Referring Only - Dentist (also registered under: Practitioner - Dentist) .
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.
Payments received
Drug payment
| National Dentex | $264 |
| Dental Health Products | $209 |
| VOCO America | $10 |
Other
| Other | $473 |
| Food and Beverage | $11 |
Looking for more Dentists?
Out of the 25 dentists in this region, here are 10 randomly selected ones for you to explore.
- Gender: Female
- Address: 820 Summit Avenue Oconomowoc, 53066, WI
- Gender: Male
- Address: 820 Summit Avenue Oconomowoc, 53066, WI
- Gender: Male
- Address: Suite 101 1300 North Summit Avenue Oconomowoc, 53066, WI
- Gender: Male
- Address: 1259 Corporate Center Drive Oconomowoc, 53066, WI
- Gender: Female
- Address: Suite 101 1300 North Summit Avenue Oconomowoc, 53066, WI
- Gender: Female
- Address: 5505 Edmondson Pike Suite 201 Nashville, 37211, TN
- Gender: Female
- Address: 888 Thackeray Trail Oconomowoc, 53066, WI
- Gender: Male
- Address: Suite 215 888 Thackeray Trail Oconomowoc, 53066, WI
- Gender: Male
- Address: N68W33420 County Road K Oconomowoc, 53066, WI
Questions & Answers
Does Dr. James S. Leaman accept insurance?
Dr. James S. Leaman is listed in-network for 9 ACA Marketplace (Obamacare/HealthCare.gov) plans from Delta Dental of Wisconsin, Inc., Humana, Renaissance Dental. See the Marketplace plans section for details.
Does Dr. James S. Leaman have affiliation with practices?
Dr. James S. Leaman is affiliated with Drs. Leaman Setnicar & Piacsek SC.
What conditions does Dr. James S. Leaman treat?
Dr. James S. Leaman provides treatment for Cosmetic Dentistry, Dental Crowns and Caps, Dentin Hypersensitivity, Invisalign, Pericoronitis, Teeth Whitening. For the full list see this list.
Where can you meet with Dr. James S. Leaman?
Dr. James S. Leaman's office is located at 820 Summit Avenue in Oconomowoc, WI 53066.