Dr. Jeffrey S. Hallett
- Gender: Male
- Sole propriator: Yes
- NPI: 1275683823
Dr. Jeffrey S. Hallett M.D.
Allergist and Immunologist
He is located at 16000 Park Valley Drive Suite #130 in Round Rock, TX 78681. Can help patients with the following: Celiac Disease, Chronic Rhinitis, Food Allergy, Hay Fever, Lactose Intolerance, Mold Exposure. His National Provider Identifier (NPI) number is 1275683823. Appointment can be made via the phone number (512) 244-3422.
Conditions treated
Dr. Jeffrey Stewart Hallett, being an allergist and immunologist, 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. Jeffrey S. Hallett.
- Allergic Reaction
- Allergies
- Asthma
- Celiac Disease
- Chronic Rhinitis
- Contact Dermatitis
- Eosinophilic Esophagitis
- Eye Allergy
- Food Allergies
- Food Allergy
- Hay Fever
- Lactose Intolerance
- Mold Exposure
- Peanut Allergy
- Pink Eye
- Plant Contact Allergy
- Sinusitis
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Jeffrey S. Hallett as in-network for the following 2026 plans.
Health plans
Imperial Insurance Companies, Inc.
Network data as of Sep 16, 2025, as reported by the insurer.
Show all 7 plans from Imperial Insurance Companies, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Imperial Preferred Bronze | HMO · Bronze | Preferred | Accepting new patients |
| Imperial Preferred Gold | HMO · Gold | Preferred | Accepting new patients |
| Imperial Preferred Gold Zero | HMO · Gold | Preferred | Accepting new patients |
| Imperial Preferred Silver | HMO · Silver | Preferred | Accepting new patients |
| Imperial Standard Bronze | HMO · Expanded Bronze | Standard | Accepting new patients |
| Imperial Standard Gold | HMO · Gold | Standard | Accepting new patients |
| Imperial Standard Silver | HMO · Silver | Standard | Accepting new patients |
UnitedHealthcare
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 11 plans from UnitedHealthcare
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| UHC Sanitas Bronze Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Sanitas Bronze Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Sanitas Bronze Standard | HMO · Expanded Bronze | Non Preferred | Accepting new patients |
| UHC Sanitas Gold Advantage ($0 Virtual Urgent Care, $8 Tier 2 Rx) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Sanitas Gold Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Sanitas Gold Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, $8 Tier 2 Rx, Dental + Vision) | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Sanitas Gold Standard | HMO · Gold | Non Preferred | Accepting new patients |
| UHC Sanitas Silver Copay Focus $0 Indiv Med Ded ($0 Virtual Urgent Care) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Sanitas Silver Copay Focus+ $0 Indiv Med Ded ($0 Virtual Urgent Care, Dental + Vision) | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Sanitas Silver Standard | HMO · Silver | Non Preferred | Accepting new patients |
| UHC Sanitas Silver Value ($0 Virtual Urgent Care) | HMO · Silver | Non Preferred | Accepting new patients |
WellPoint
Network data as of Sep 10, 2026, as reported by the insurer.
Show all 21 plans from WellPoint
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Wellpoint Essential Bronze 4000 HSA (+ Incentives) | HMO · Expanded Bronze | Participating | Accepting new patients |
| Wellpoint Essential Bronze 6000 ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Expanded Bronze | Participating | Accepting new patients |
| Wellpoint Essential Bronze 6000 Adult Dental/Vision ($0 Virtual PCP+$0 Select Drugs) | HMO · Expanded Bronze | Participating | Accepting new patients |
| Wellpoint Essential Bronze 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Expanded Bronze | Participating | Accepting new patients |
| Wellpoint Essential Bronze POS 4500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Wellpoint Essential Bronze POS 5500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Wellpoint Essential Bronze POS 7500 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Expanded Bronze | Participating | Accepting new patients |
| Wellpoint Essential Catastrophic (+ Incentives) | HMO · Catastrophic | Participating | Accepting new patients |
| Wellpoint Essential Gold 1500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Gold | Participating | Accepting new patients |
| Wellpoint Essential Gold 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Gold | Participating | Accepting new patients |
| Wellpoint Essential Gold 800 ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Gold | Participating | Accepting new patients |
| Wellpoint Essential Gold POS 1000 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Gold | Participating | Accepting new patients |
| Wellpoint Essential Gold POS 2000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Gold | Participating | Accepting new patients |
| Wellpoint Essential Gold POS 700 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Gold | Participating | Accepting new patients |
| Wellpoint Essential Silver 1850 ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Silver | Participating | Accepting new patients |
| Wellpoint Essential Silver 3500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Silver | Participating | Accepting new patients |
| Wellpoint Essential Silver 3500 Adult Dental/Vision ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Silver | Participating | Accepting new patients |
| Wellpoint Essential Silver 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | HMO · Silver | Participating | Accepting new patients |
| Wellpoint Essential Silver POS 2500 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Silver | Participating | Accepting new patients |
| Wellpoint Essential Silver POS 4000 ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Silver | Participating | Accepting new patients |
| Wellpoint Essential Silver POS 6000 Standard ($0 Virtual PCP + $0 Select Drugs + Incentives) | POS · Silver | Participating | 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. Jeffrey S. Hallett 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. Jeffrey S. Hallett is enrolled to bill Medicare as a Practitioner - Allergy/immunology .
Bills through: South Texas Allergy & Asthma Medical Professionals Pllc
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
| Alk-Abello | $44494 |
| GlaxoSmithKline | $475 |
| Greer Laboratories | $414 |
Other
| Consulting | $44341 |
| Food and Beverage | $2804 |
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Questions & Answers
Where can you meet with Dr. Jeffrey Stewart Hallett?
Dr. Jeffrey Stewart Hallett's office is located at 16000 Park Valley Drive Suite #130 in Round Rock, TX 78681.
What conditions does Dr. Jeffrey Stewart Hallett treat?
Dr. Jeffrey Stewart Hallett provides treatment for Celiac Disease, Chronic Rhinitis, Food Allergy, Hay Fever, Lactose Intolerance, Mold Exposure. For the full list see this list.
Does Dr. Jeffrey Stewart Hallett accept patients with WellPoint?
Yes, Dr. Jeffrey Stewart Hallett is listed in-network for WellPoint through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.