Dr. Karen J. Armstrong DDS
Dentist
She is located at 3160 Henderson Drive in Jacksonville, NC 28546. Can help patients with the following: Cosmetic Dentistry, Dental Crowns and Caps, Dental Malocclusion, Gum Disease / Gingivitis, Invisalign, Teeth Grinding. Her National Provider Identifier (NPI) number is 1235135757. Appointment can be made via the phone number (910) 346-5600. She is affiliated with 1 practices.
Conditions treated
Dr. Karen J. Armstrong, 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. Karen J. Armstrong.
- 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. Karen J. Armstrong as in-network for the following 2026 plans.
Health plans
Oscar Health Plan of North Carolina, Inc
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 22 plans from Oscar Health Plan of North Carolina, Inc
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic 4700 | with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Breathe Easy with Enhanced COPD Benefits | with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Chronic Care CKM | with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Simple Diabetes | with Atrium Health | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | HMO · Gold | Preferred | Accepting new patients |
| Gold Classic Standard | with Atrium Health | HMO · Gold | Preferred | Accepting new patients |
| Silver Classic | HMO · Silver | Preferred | Accepting new patients |
| Silver Classic Standard | HMO · Silver | Preferred | Accepting new patients |
| Silver Classic Standard | with Atrium Health | HMO · Silver | Preferred | Accepting new patients |
| Silver Classic | with Atrium Health | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Breathe Easy with Enhanced COPD Benefits | with Atrium Health | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Chronic Care CKM | with Atrium Health | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | with Atrium Health | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | with Atrium Health | HMO · Silver | Preferred | Accepting new patients |
| Silver Simple Women's Health with Menopause Benefits | with Atrium Health | HMO · Silver | Preferred | Accepting new patients |
Dental plans
Delta Dental of North Carolina
Network data as of Sep 12, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Delta Dental Basic Plan | PPO · Low | Delta Dental PPO and Delta Dental Premier | Accepting new patients |
| Delta Dental Ideal Plan | PPO · High | Delta Dental PPO and Delta Dental Premier | Accepting new patients |
| Delta Dental Preferred Plan | PPO · High | 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. Karen J. Armstrong 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. Karen J. Armstrong is enrolled to bill Medicare as a Practitioner - Dentist (also registered under: Practitioner - Oral Surgery) .
Bills through: Karen J Armstrong Dmd & Bethany K Tant Dds Pllc
Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Looking for more Dentists?
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- Address: 1701 Country Club Road Jacksonville, 28546, NC
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- Address: Unit 200 1280 Western Boulevard Jacksonville, 28546, NC
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- Address: 17 Office Park Drive Jacksonville, 28546, NC
- Gender: Female
- Address: 3160 Henderson Drive Jacksonville, 28546, NC
- Gender: Male
- Address: 142 Plow Point Lane Jacksonville, 28546, NC
- Gender: Male
- Address: 2 Office Park Drive Jacksonville, 28546, NC
- Gender: Male
- Address: 46 Office Park Drive Jacksonville, 28546, NC
- Gender: Male
- Address: Suite North 200 Doctors Drive Jacksonville, 28546, NC
- Gender: Female
- Address: 1609 West Arlington Boulevard Suite 107 Greenville, 27834, NC
- Gender: Male
- Address: 50 Office Park Drive Jacksonville, 28546, NC
Questions & Answers
Where can you meet with Dr. Karen J. Armstrong?
Dr. Karen J. Armstrong's office is located at 3160 Henderson Drive in Jacksonville, NC 28546.
What conditions does Dr. Karen J. Armstrong treat?
Dr. Karen J. Armstrong provides treatment for Cosmetic Dentistry, Dental Crowns and Caps, Dental Malocclusion, Gum Disease / Gingivitis, Invisalign, Teeth Grinding. For the full list see this list.
Does Dr. Karen J. Armstrong have affiliation with practices?
Dr. Karen J. Armstrong is affiliated with Karen J Armstrong DMD & Bethany K Tant DDS.
Does Dr. Karen J. Armstrong accept insurance?
Dr. Karen J. Armstrong is listed in-network for 25 ACA Marketplace (Obamacare/HealthCare.gov) plans from Oscar Health Plan of North Carolina, Inc, Delta Dental of North Carolina. See the Marketplace plans section for details.