Dr. David K. Defay DDS, MS
Orthodontist
He is located at 95 South Main Street in Kaysville, UT 84037. Can help patients with the following: Braces, Dental Bridges, Dental Crowns and Caps, Dental Exam and Cleaning, Laser, Temporomandibular Joint Syndrome (TMJ). His National Provider Identifier (NPI) number is 1225356496. Appointment can be made via the phone number (801) 546-0892. He is affiliated with 1 practices.
Conditions treated
Dr. David Kay Defay, being an orthodontist, 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. David K. Defay.
- Bleeding Gums
- Braces
- 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
- Lingual Braces
- Loose Tooth
- Oral Cancer Examination
- Orthodontic Retainer
- Palatal Expansion
- Pericoronitis
- Smile Makeover
- Stained Teeth
- Teeth Grinding
- Teeth Whitening
- Temporomandibular Joint Syndrome (TMJ)
- Tooth Extraction
- Traumatic Dental Injury
- Veneers
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. David K. Defay as in-network for the following 2026 plans.
Health plans
Select Health
Network data as of Sep 15, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Med Gold 1500 Medical Deductible | HMO · Gold | Preferred | Not accepting new patients |
| Value Expanded Bronze 6900 Medical Deductible | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| Value Gold 1500 Medical Deductible | HMO · Gold | Preferred | Not accepting new patients |
| Value Silver 3000 Medical Deductible | HMO · Silver | Preferred | Not accepting new patients |
Dental plans
Humana
Network data as of Sep 13, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Humana Dental Smart Choice - Basic | PPO · Low | Preferred | Accepting new patients |
| Humana Dental Smart Choice - High | PPO · High | Preferred | Accepting new patients |
UnitedHealthcare
Network data as of Sep 14, 2026, as reported by the insurer.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Smile Now Utah - No Waiting Period PPO | PPO · High | 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. David K. Defay 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
| Align Technology | $368 |
| 3M Company | $142 |
| OraMetrix | $60 |
Other
| Food and Beverage | $596 |
Additional Specialities
- Dentist
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Questions & Answers
Where can you meet with Dr. David Kay Defay?
Dr. David Kay Defay's office is located at 95 South Main Street in Kaysville, UT 84037.
What conditions does Dr. David Kay Defay treat?
Dr. David Kay Defay provides treatment for Braces, Dental Bridges, Dental Crowns and Caps, Dental Exam and Cleaning, Laser, Temporomandibular Joint Syndrome (TMJ). For the full list see this list.
Does Dr. David Kay Defay accept insurance?
Dr. David Kay Defay is listed in-network for 7 ACA Marketplace (Obamacare/HealthCare.gov) plans from Select Health, Humana, UnitedHealthcare. See the Marketplace plans section for details.
Does Dr. David Kay Defay have affiliation with practices?
Dr. David Kay Defay is affiliated with Clark B Rampton DDS.