Dr. Katie E. Johnston D.D.S.
Dentist
She is located at 3968 Pine Grove Avenue in Fort Gratiot, MI 48059. Can help patients with the following: Bleeding Gums, Dental Implants, Dental Malocclusion, Oral Cancer Examination, Pericoronitis, Teeth Grinding. Her National Provider Identifier (NPI) number is 1841497179. Appointment can be made via the phone number (810) 984-2208.
Conditions treated
Dr. Katie Eileen Johnston, 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. Katie E. Johnston.
- 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. Katie E. Johnston as in-network for the following 2026 plans.
Dental plans
Blue Cross Blue Shield of Michigan Mutual Insurance Company
Network data as of Aug 7, 2026, as reported by the insurer.
Show all 6 plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Dental EPO 80/50/50 (0/0/0) | EPO · Low | Null | Not accepting new patients |
| Blue Dental PPO 100/50/50 (50/50/50) | PPO · High | Null | Not accepting new patients |
| Blue Dental PPO 100/70/50 (80/60/50) | PPO · High | Null | Not accepting new patients |
| Blue Dental PPO 80/50/50 (50/50/50) | PPO · Low | Null | Not accepting new patients |
| Blue Dental PPO Pediatric 80/50/50 (50/50/50) | PPO · Low | Null | Not accepting new patients |
| Blue Dental PPO Plus 80/60/50 | PPO · Low | Null | Not 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 - Low | 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. Katie E. Johnston 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 Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.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. Katie E. Johnston is enrolled to bill Medicare as a Order And Referring Only - Oral Surgery (also registered under: Practitioner - Oral Surgery) .
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
| Arbor Pharmaceuticals | $55 |
| Align Technology | $24 |
| Nobel Biocare | $12 |
Other
| Food and Beverage | $103 |
Looking for more Dentists?
There are 9 other dentists in this region.
- Gender: Male
- Address: 2844 Krafft Road Fort Gratiot, 48059, MI
- Gender: Male
- Address: 3968 Pine Grove Avenue Fort Gratiot, 48059, MI
- Gender: Male
- Address: 3901 24th Avenue Fort Gratiot, 48059, MI
- Gender: Female
- Address: 4018 Lapeer Road Port Huron, 48060, MI
- Gender: Male
- Address: 4044 24th Avenue Fort Gratiot, 48059, MI
- Gender: Female
- Address: 4036 24th Avenue Fort Gratiot, 48059, MI
- Gender: Female
- Address: 4036 24th Avenue Fort Gratiot, 48059, MI
- Gender: Male
- Address: 4044 24th Avenue Fort Gratiot, 48059, MI
- Gender: Female
- Address: 4216 24th Avenue Fort Gratiot, 48059, MI
Questions & Answers
What conditions does Dr. Katie Eileen Johnston treat?
Dr. Katie Eileen Johnston provides treatment for Bleeding Gums, Dental Implants, Dental Malocclusion, Oral Cancer Examination, Pericoronitis, Teeth Grinding. For the full list see this list.
Where can you meet with Dr. Katie Eileen Johnston?
Dr. Katie Eileen Johnston's office is located at 3968 Pine Grove Avenue in Fort Gratiot, MI 48059.
Does Dr. Katie Eileen Johnston accept patients with Humana?
Yes, Dr. Katie Eileen Johnston is listed in-network for Humana through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.