Dr. William J. O\'Brien
- Gender: Male
- Sole propriator: No
- NPI: 1285657957
Dr. William J. O\'Brien DDS
Prosthodontist
He is located at 5900 North Port Washington Road Suite B262 in Milwaukee, WI 53217. Can help patients with the following: Cosmetic Dentistry, Dental Bridges, Dental Emergency, Oral Cancer Examination, Pericoronitis, Teeth Whitening. His National Provider Identifier (NPI) number is 1285657957. Appointment can be made via the phone number (414) 332-7450.
Conditions treated
Dr. William Joseph O'Brien, being an prosthodontist, 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. William J. O\'Brien.
- Bleeding Gums
- Cosmetic Dentistry
- Dental Bridges
- Dental Crowns and Caps
- Dental Emergency
- Dental Exam and Cleaning
- Dental Implants
- Dental Malocclusion
- Dentin Hypersensitivity
- Dentures
- Edentulism
- Gum Disease / Gingivitis
- Invisalign
- Laser
- Oral Cancer Examination
- Pericoronitis
- Smile Makeover
- Teeth Grinding
- Teeth Whitening
- Toothache
- Veneers
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. William J. O\'Brien 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 |
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. William J. O\'Brien is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Payments received
Drug payment
| Instradent USA | $15 |
Other
| Food and Beverage | $16 |
Additional Specialities
- Dentist
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Questions & Answers
Does Dr. William Joseph O'Brien accept insurance?
Dr. William Joseph O'Brien is listed in-network for 5 ACA Marketplace (Obamacare/HealthCare.gov) plans from Delta Dental of Wisconsin, Inc.. See the Marketplace plans section for details.
Where can you meet with Dr. William Joseph O'Brien?
Dr. William Joseph O'Brien's office is located at 5900 North Port Washington Road Suite B262 in Milwaukee, WI 53217.
What conditions does Dr. William Joseph O'Brien treat?
Dr. William Joseph O'Brien provides treatment for Cosmetic Dentistry, Dental Bridges, Dental Emergency, Oral Cancer Examination, Pericoronitis, Teeth Whitening. For the full list see this list.