Dr. Margaret N. O\'Sullivan
- Gender: Female
- Sole propriator: No
- NPI: 1689913204
Dr. Margaret N. O\'Sullivan DMD
Dentist
She is located at 9742 Katy Freeway Ste 500 in Houston, TX 77055. Can help patients with the following: Bleeding Gums, Cosmetic Dentistry, Dental Bridges, Dental Malocclusion, Dentures, Invisalign. Her National Provider Identifier (NPI) number is 1689913204. Appointment can be made via the phone number (713) 464-5437. She is affiliated with 1 practices.
Conditions treated
Dr. Margaret Norin O'Sullivan, 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. Margaret N. O\'Sullivan.
- 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. Margaret N. O\'Sullivan as in-network for the following 2026 plans.
Dental plans
Blue Cross and Blue Shield of Texas
Network data as of Jun 19, 2026, as reported by the insurer.
Show all 6 plans from Blue Cross and Blue Shield of Texas
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BlueCare Dental 1D | PPO · Low | Preferred | Accepting new patients |
| BlueCare Dental 4 Kids℠ 1A | PPO · High | Preferred | Accepting new patients |
| BlueCare Dental 4 Kids℠ 1B | PPO · Low | Preferred | Accepting new patients |
| BlueCare Dental℠ 1A | PPO · High | Preferred | Accepting new patients |
| BlueCare Dental℠ 1B | PPO · Low | Preferred | Accepting new patients |
| BlueCare Dental℠ 1C | 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 |
|---|---|---|---|
| Texas Preferred Plan | PPO · Low | Preferred | Accepting new patients |
| Texas Preferred Plan (Pediatric Only) | PPO · Low | Preferred | Accepting new patients |
| Texas Preferred Plus Plan | PPO · High | Preferred | Accepting new patients |
| Texas Preferred Plus Plan (Pediatric Only) | PPO · High | Preferred | Accepting new patients |
| Texas Wellness Essentials Plan | 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. Margaret N. O\'Sullivan 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
| Stryker | $411 |
| Alexion Pharmaceuticals | $110 |
Other
| Travel and Lodging | $411 |
| Food and Beverage | $110 |
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Questions & Answers
Where can you meet with Dr. Margaret Norin O'Sullivan?
Dr. Margaret Norin O'Sullivan's office is located at 9742 Katy Freeway Ste 500 in Houston, TX 77055.
Does Dr. Margaret Norin O'Sullivan accept insurance?
Dr. Margaret Norin O'Sullivan is listed in-network for 11 ACA Marketplace (Obamacare/HealthCare.gov) plans from Blue Cross and Blue Shield of Texas, Renaissance Dental. See the Marketplace plans section for details.
What conditions does Dr. Margaret Norin O'Sullivan treat?
Dr. Margaret Norin O'Sullivan provides treatment for Bleeding Gums, Cosmetic Dentistry, Dental Bridges, Dental Malocclusion, Dentures, Invisalign. For the full list see this list.
Does Dr. Margaret Norin O'Sullivan have affiliation with practices?
Dr. Margaret Norin O'Sullivan is affiliated with Bunker Hill Pediatric Dentistry.