Dr. Mary Catherine Decker DDS
Dentist
She is located at 8002 Watts Road in Madison, WI 53719. Can help patients with the following: Bleeding Gums, Dentin Hypersensitivity, Gum Disease / Gingivitis, Invisalign, Laser, Teeth Grinding. Her National Provider Identifier (NPI) number is 1336792787. Appointment can be made via the phone number (608) 831-7770.
Conditions treated
Dr. Mary Catherine Decker, 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. Mary Catherine Decker.
- 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. Mary Catherine Decker 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. Mary Catherine Decker is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
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Questions & Answers
What conditions does Dr. Mary Catherine Decker treat?
Dr. Mary Catherine Decker provides treatment for Bleeding Gums, Dentin Hypersensitivity, Gum Disease / Gingivitis, Invisalign, Laser, Teeth Grinding. For the full list see this list.
Where can you meet with Dr. Mary Catherine Decker?
Dr. Mary Catherine Decker's office is located at 8002 Watts Road in Madison, WI 53719.
Does Dr. Mary Catherine Decker accept insurance?
Dr. Mary Catherine Decker 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.