Dr. Nicholas J. Williams
- Gender: Male
- Sole propriator: Yes
- NPI: 1609039585
Dr. Nicholas J. Williams III DDS
Endodontist
He is located at 2201 49th Street North in St Petersburg, FL 33710. Can help patients with the following: Bad Breath, Bleeding Gums, Cracked Tooth, Edentulism, Oral Cancer Examination, Smile Makeover. His National Provider Identifier (NPI) number is 1609039585. Appointment can be made via the phone number (727) 328-7929.
Conditions treated
Dr. Nicholas Joseph Williams, being an endodontist, 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. Nicholas J. Williams.
- Abscessed Tooth
- Bad Breath
- Bleeding Gums
- Canker Sore
- Cavity
- Cosmetic Dentistry
- Cracked Tooth
- Dental Bridges
- Dental Crowns and Caps
- Dental Emergency
- Dental Exam and Cleaning
- Dental Fillings and Repairs
- Dental Implants
- Dental Malocclusion
- Dental Plaque
- Dental Sealant
- Dentin Hypersensitivity
- Dentures
- Edentulism
- Gum Disease / Gingivitis
- Invisalign
- Laser
- Loose Tooth
- Oral Cancer Examination
- Orthodontic Retainer
- Pericoronitis
- Root Canal
- Sensitive Teeth
- Smile Makeover
- Stained Teeth
- Teeth Grinding
- Teeth Whitening
- Teething
- Temporomandibular Joint Syndrome (TMJ)
- Tongue Problems
- Tooth Extraction
- Tooth Resorption
- Toothache
- Traumatic Dental Injury
- Veneers
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Nicholas J. Williams as in-network for the following 2026 plans.
Dental plans
BEST Life
Network data as of Sep 8, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BEST Life Essential Basic Dental Plan | PPO · Low | In Network | Accepting new patients |
| BEST Life Essential Value Dental Plan | PPO · Low | In Network | Accepting new patients |
| BEST Life Preferred Dental | PPO · High | In Network | Accepting new patients |
| BEST Life Superior Dental | PPO · High | In Network | Accepting new patients |
Cigna Healthcare
Network data as of Sep 15, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Cigna Dental Family + Pediatric | PPO · Low | Preferred | Accepting new patients |
| Cigna Dental Pediatric | PPO · Low | Preferred | Accepting new patients |
Delta Dental
Network data as of Sep 12, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Delta Dental PPO Basic Plan for Families | PPO · Low | Delta Dental PPO | Accepting new patients |
| Delta Dental PPO Preferred Plan for Families | PPO · High | Delta Dental PPO | Accepting new patients |
| Delta Dental PPO Preventive Plan for Families | PPO · Low | Delta Dental PPO | Accepting new patients |
EMI Health
Network data as of Sep 16, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| EMI Health Advantage Co-Pay | PPO · Low | Preferred | Accepting new patients |
| EMI Health Advantage PPO | PPO · Low | Preferred | Accepting new patients |
| EMI Health Advantage PPO Low | PPO · Low | Preferred | Accepting new patients |
| EMI Health Premier PPO (High) | PPO · High | Preferred | Accepting new patients |
| EMI Health Premier PPO (Low) | PPO · Low | Preferred | 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 - High | PPO · High | Preferred | Accepting new patients |
| Humana Dental Smart Choice - Lite | PPO · Low | Preferred | Accepting new patients |
| Humana Dental Smart Choice - Low | 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 |
|---|---|---|---|
| Florida Preferred Plan | PPO · Low | Preferred | Accepting new patients |
| Florida Preferred Plan (Pediatric Only) | PPO · Low | Preferred | Accepting new patients |
| Florida Preferred Plus Plan | PPO · High | Preferred | Accepting new patients |
| Florida Preferred Plus Plan (Pediatric Only) | PPO · High | Preferred | Accepting new patients |
| Florida 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. Nicholas J. Williams 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. Nicholas J. Williams is enrolled to bill Medicare as a Order And Referring Only - Other (physician) (also registered under: Practitioner - Other (physician)) .
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
| Tulsa Dental Products | $95 |
| SS White Burs | $73 |
| Edge Endo | $56 |
Other
| Other | $152 |
| Food and Beverage | $74 |
Additional Specialities
- Dentist
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Questions & Answers
What conditions does Dr. Nicholas Joseph Williams treat?
Dr. Nicholas Joseph Williams provides treatment for Bad Breath, Bleeding Gums, Cracked Tooth, Edentulism, Oral Cancer Examination, Smile Makeover. For the full list see this list.
Where can you meet with Dr. Nicholas Joseph Williams?
Dr. Nicholas Joseph Williams's office is located at 2201 49th Street North in St Petersburg, FL 33710.
Does Dr. Nicholas Joseph Williams accept insurance?
Dr. Nicholas Joseph Williams is listed in-network for 22 ACA Marketplace (Obamacare/HealthCare.gov) plans from BEST Life, Cigna Healthcare, Delta Dental, EMI Health, Humana, Renaissance Dental. See the Marketplace plans section for details.