Dr. Gary W. Williamson
- Gender: Male
- Experience: 43 years
- Sole propriator: No
- NPI: 1851333850
Dr. Gary W. Williamson MD
Emergency Physician
He is located at 800 East Dawson Street in Tyler, TX 75701. Can help patients with the following: Altitude Sickness, Coronavirus, Hematoma, Migraine, Phlebitis and Thrombophlebitis, Whiplash. His National Provider Identifier (NPI) number is 1851333850. Appointment can be made via the phone number (903) 593-8441.
Conditions treated
Dr. Gary W. Williamson, being an emergency physician, 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. Gary W. Williamson.
- Acute Pain
- Altitude Sickness
- Angina
- Brain Aneurysm
- Brain Hemorrhage
- Broken Bone
- Bruises
- Choking
- Common Cold
- Coronavirus
- Costochondritis
- Febrile Seizure
- Fever
- Frostbite
- General Care
- Headache
- Hematoma
- Influenza
- Insect Stings
- Laceration
- Migraine
- Nausea and Vomiting
- Phlebitis and Thrombophlebitis
- Prescription Refill
- Whiplash
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Gary W. Williamson as in-network for the following 2026 plans.
Health plans
Blue Cross and Blue Shield of Texas
Network data as of Jun 7, 2026, as reported by the insurer.
Show all 19 plans from Blue Cross and Blue Shield of Texas
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Blue Advantage Bronze HMO℠ 204 (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Bronze HMO℠ 301 (14 plan variants) | HMO · Bronze | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Bronze HMO℠ Standard (27 plan variants) | HMO · Expanded Bronze | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Gold HMO℠ 206 (27 plan variants) | HMO · Gold | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Gold HMO℠ 603 (14 plan variants) | HMO · Gold | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Gold HMO℠ Standard (27 plan variants) | HMO · Gold | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Bronze℠ 303 (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Bronze℠ 305 (27 plan variants) | POS · Bronze | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Bronze℠ Standard (27 plan variants) | POS · Expanded Bronze | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Gold℠ 203 (27 plan variants) | POS · Gold | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Gold℠ 803 (27 plan variants) | POS · Gold | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Gold℠ Standard (27 plan variants) | POS · Gold | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Silver℠ 202 (27 plan variants) | POS · Silver | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Silver℠ 605 (27 plan variants) | POS · Silver | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Plus Silver℠ Standard (27 plan variants) | POS · Silver | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Security HMO℠ 200 (27 plan variants) | HMO · Catastrophic | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Silver HMO℠ 205 (27 plan variants) | HMO · Silver | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Silver HMO℠ 801 (14 plan variants) | HMO · Silver | Blue Advantage HMO | Not accepting new patients |
| Blue Advantage Silver HMO℠ Standard (27 plan variants) | HMO · Silver | Blue Advantage HMO | Not accepting new patients |
CHRISTUS Health Plan
Network data as of Jan 1, 1900, as reported by the insurer.
Show all 18 plans from CHRISTUS Health Plan
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| CHRISTUS Bronze (2 Free PCP Visits, $0 Preferred Generic Rx, $0 Virtual Urgent Care) | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| CHRISTUS Bronze + Dental & Vision (2 Free PCP Visits, $0 Preferred Generic Rx, $0 Virtual Urgent Care) | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| CHRISTUS Bronze Essential (2 Free PCP Visits, $0 Preferred Generic Rx, $0 Virtual Urgent Care) | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| CHRISTUS Bronze Essential + Dental & Vision (2 Free PCP Visits, $0 Preferred Generic Rx, $0 Virtual Urgent Care) | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| CHRISTUS Catastrophic (3 Free PCP visits) | HMO · Catastrophic | Preferred | Not accepting new patients |
| CHRISTUS Gold + Dental & Vision + Fitness ($0 Deductible, $5 PCP, $0 Generic Rx, $0 Virtual Urgent Care) | HMO · Gold | Preferred | Not accepting new patients |
| CHRISTUS Gold + Fitness ($0 Deductible, $5 PCP, $0 Generic Rx, $0 Virtual Urgent Care) | HMO · Gold | Preferred | Not accepting new patients |
| CHRISTUS Gold Essential ($0 Rx Deductible, $5 PCP, $0 Virtual Urgent Care) | HMO · Gold | Preferred | Not accepting new patients |
| CHRISTUS Gold Essential + Dental & Vision ($0 Rx Deductible, $5 PCP, $0 Virtual Urgent Care) | HMO · Gold | Preferred | Not accepting new patients |
| CHRISTUS Silver Essential 70 ($5 PCP, $0 Preferred Generic Rx, $0 Virtual Urgent Care) | HMO · Silver | Preferred | Not accepting new patients |
| CHRISTUS Silver Essential 70 + Dental & Vision ($5 PCP, $0 Preferred Generic Rx, $0 Virtual Urgent Care) | HMO · Silver | Preferred | Not accepting new patients |
| CHRISTUS Standard Expanded Bronze ($0 Virtual Urgent Care) | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| CHRISTUS Standard Gold ($0 Virtual Urgent Care) | HMO · Gold | Preferred | Not accepting new patients |
| CHRISTUS Standard Silver 70 ($0 Virtual Urgent Care) | HMO · Silver | Preferred | Not accepting new patients |
| CHRISTUS Value Bronze (3 Free PCP Visits, $0 Virtual Urgent Care) | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| CHRISTUS Value Bronze + Dental & Vision (3 Free PCP Visits, $0 Virtual Urgent Care) | HMO · Expanded Bronze | Preferred | Not accepting new patients |
| CHRISTUS Value Silver 70 ($0 Virtual Urgent Care) | HMO · Silver | Preferred | Not accepting new patients |
| CHRISTUS Value Silver 70 + Dental & Vision ($0 Virtual Urgent Care) | HMO · Silver | Preferred | Not 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. Gary W. Williamson 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. Gary W. Williamson is enrolled to bill Medicare as a Practitioner - Emergency Medicine .
Bills through: Christus Trinity Clinic
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
| BTG International | $16 |
Other
| Food and Beverage | $16 |
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Questions & Answers
What conditions does Dr. Gary W. Williamson treat?
Dr. Gary W. Williamson provides treatment for Altitude Sickness, Coronavirus, Hematoma, Migraine, Phlebitis and Thrombophlebitis, Whiplash. For the full list see this list.
Where can you meet with Dr. Gary W. Williamson?
Dr. Gary W. Williamson's office is located at 800 East Dawson Street in Tyler, TX 75701.
Does Dr. Gary W. Williamson accept insurance?
Dr. Gary W. Williamson is listed in-network for 37 ACA Marketplace (Obamacare/HealthCare.gov) plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan. See the Marketplace plans section for details.