Dr. Raul Sergio Villarreal
Dr. Raul S. Villarreal
Last updated: Sep 18, 2025

Dr. Raul S. Villarreal

  • Gender: Male
  • Experience: 6 years
  • Graduated from: University Of Texas Southwestern Medical School At Dallas
  • Graduation year: 2015
  • Sole propriator: No
  • NPI: 1083008908

Dr. Raul S. Villarreal JR. M.D.

Allergist and Immunologist

He is located at 11515 Toepperwein Road Suite 201 in Live Oak, TX 78233. Can help patients with the following: Acute Pain, Allergies, Peanut Allergy, Peptic Ulcer, Plant Contact Allergy, Urethritis. His National Provider Identifier (NPI) number is 1083008908. Appointment can be made via the phone number (210) 646-6978.

Conditions treated

Dr. Raul Sergio Villarreal, 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. Raul S. Villarreal.

  • Abdominal Pain
  • Acute Pain
  • Allergic Reaction
  • Allergies
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Celiac Disease
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Chronic Rhinitis
  • Common Cold
  • Constipation
  • Contact Dermatitis
  • Cystitis
  • Diarrhea
  • Edema
  • Eosinophilic Esophagitis
  • Eye Allergy
  • Fever
  • Food Allergies
  • Food Allergy
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Hay Fever
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Lactose Intolerance
  • Migraine
  • Mold Exposure
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Peanut Allergy
  • Peptic Ulcer
  • Pink Eye
  • Plant Contact Allergy
  • Prescription Refill
  • Sinusitis
  • Urethritis
  • Urinary Tract Infection (UTI)

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Raul S. Villarreal as in-network for the following 2026 plans.

Health plans

Ambetter from Superior HealthPlan

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 12 plans from Ambetter from Superior HealthPlan
Ambetter from Superior HealthPlan plans
Plan Plan type Network tier New patients
Complete Gold EPO · Gold Preferred Accepting new patients
Complete Gold + Vision + Adult Dental EPO · Gold Preferred Accepting new patients
Enhanced Diabetes Care Silver with $0 Drug Options EPO · Silver Preferred Accepting new patients
Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental EPO · Silver Preferred Accepting new patients
Everyday Gold EPO · Gold Preferred Accepting new patients
Everyday Gold + Vision + Adult Dental EPO · Gold Preferred Accepting new patients
Focused Silver EPO · Silver Preferred Accepting new patients
Focused Silver + Vision + Adult Dental EPO · Silver Preferred Accepting new patients
Standard Gold EPO · Gold Preferred Accepting new patients
Standard Gold + Vision + Adult Dental EPO · Gold Preferred Accepting new patients
Standard Silver EPO · Silver Preferred Accepting new patients
Standard Silver + Vision + Adult Dental EPO · Silver Preferred Accepting new patients

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
Blue Cross and Blue Shield of Texas plans
Plan Plan type Network tier New patients
Blue Advantage Bronze HMO℠ 204 (27 plan variants) HMO · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Bronze HMO℠ 301 (14 plan variants) HMO · Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Bronze HMO℠ Standard (27 plan variants) HMO · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Gold HMO℠ 206 (27 plan variants) HMO · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Gold HMO℠ 603 (14 plan variants) HMO · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Gold HMO℠ Standard (27 plan variants) HMO · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Bronze℠ 303 (27 plan variants) POS · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Plus Bronze℠ 305 (27 plan variants) POS · Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Plus Bronze℠ Standard (27 plan variants) POS · Expanded Bronze Blue Advantage HMO Accepting new patients
Blue Advantage Plus Gold℠ 203 (27 plan variants) POS · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Gold℠ 803 (27 plan variants) POS · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Gold℠ Standard (27 plan variants) POS · Gold Blue Advantage HMO Accepting new patients
Blue Advantage Plus Silver℠ 202 (27 plan variants) POS · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Plus Silver℠ 605 (27 plan variants) POS · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Plus Silver℠ Standard (27 plan variants) POS · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Security HMO℠ 200 (27 plan variants) HMO · Catastrophic Blue Advantage HMO Accepting new patients
Blue Advantage Silver HMO℠ 205 (27 plan variants) HMO · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Silver HMO℠ 801 (14 plan variants) HMO · Silver Blue Advantage HMO Accepting new patients
Blue Advantage Silver HMO℠ Standard (27 plan variants) HMO · Silver Blue Advantage HMO Accepting new patients

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.
Imperial Insurance Companies, Inc. plans
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

Oscar Insurance Company

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 11 plans from Oscar Insurance Company
Oscar Insurance Company plans
Plan Plan type Network tier New patients
Gold Classic Guided Care (8 plan variants) HMO · Gold Preferred Accepting new patients
Gold Classic Standard Guided Care (8 plan variants) HMO · Gold Preferred Accepting new patients
Gold Simple Diabetes Guided Care (8 plan variants) HMO · Gold Preferred Accepting new patients
Gold Simple Guided Care (8 plan variants) HMO · Gold Preferred Accepting new patients
Silver Classic Standard Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Breathe Easy with Enhanced COPD Benefits Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Chronic Care CKM Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Diabetes Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple PCP Saver Guided Care (8 plan variants) HMO · Silver Preferred Accepting new patients
Silver Simple Women's Health with Menopause Benefits Guided Care (8 plan variants) HMO · Silver 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. Raul S. Villarreal is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Raul S. Villarreal is enrolled to bill Medicare as a Practitioner - Allergy/immunology .

Bills through: Allergy Institute Of San Antonio, P.a.

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

Genzyme $124
Csl Behring $58
Novartis $11

Other

Food and Beverage $195

Studies

UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS

Graduated in 2015

Additional Specialities

  • Internist

Questions & Answers

Does Dr. Raul Sergio Villarreal accept insurance?

Dr. Raul Sergio Villarreal is listed in-network for 49 ACA Marketplace (Obamacare/HealthCare.gov) plans from Ambetter from Superior HealthPlan, Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Oscar Insurance Company. See the Marketplace plans section for details.

What conditions does Dr. Raul Sergio Villarreal treat?

Dr. Raul Sergio Villarreal provides treatment for Acute Pain, Allergies, Peanut Allergy, Peptic Ulcer, Plant Contact Allergy, Urethritis. For the full list see this list.

Where can you meet with Dr. Raul Sergio Villarreal?

Dr. Raul Sergio Villarreal's office is located at 11515 Toepperwein Road Suite 201 in Live Oak, TX 78233.