JV
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Villacis, Allergist & Immunologist in Austin, TX?
Dr. John Villacis, MD is an Allergist & Immunologist, who primarily practices in Austin, TX with 2 additional practice locations. He is board certified. Dr. Villacis completed his residency at Tulane Univ Sch Of Med, Allergy And Immunology; Univ Tx Med Branch Hosps, Internal Medicine. Dr. Villacis is fluent in English and Spanish, and is currently seeing new patients. Dr. Villacis’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Villacis’s office.
What are Areas of Expertise for Dr. Villacis?
Dr. John Villacis, MD is a highly-rated, board-certified Allergist & Immunologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Villacis empowers patients to confidently navigate their health journey, specializing in Allergic Rhinitis, Anaphylaxis, Bee Sting Allergy, Eosinophil Disorders, Food Allergy, Hives, Immune Deficiency, and comprehensive wellness support. Serving the Austin, TX community, Dr. Villacis is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Villacis go to medical school and complete their residency?
Residency: Tulane Univ Sch Of Med, Allergy And Immunology; Univ Tx Med Branch Hosps, Internal Medicine
Medical School: Texas Tech University Health Sciences Center School of Medicine,Lubbock, Tx, United States
Is Dr. Villacis board certified as an Allergist & Immunologist?
Yes, Dr. John Villacis, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Villacis speak?
Dr. Villacis and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does an Allergist & Immunologist like Dr. Villacis typically treat?
As an Allergist & Immunologist, Dr. Villacis diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Villacis. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Hay Fever
- Pollen allergy
- Seasonal allergies
- Allergic rhinitis
ICD-10 Codes:
- J301: Allergic rhinitis due to pollen
Also known as:
- Chronic Rhinitis
- Nose Injuries and Disorder
- Chronic runny nose
- Persistent nasal inflammation
- Long-term stuffy nose
ICD-10 Codes:
- J310: Chronic rhinitis
Also known as:
- Chronic Sinusitis
- Sinusitis
- Chronic sinus infection
- Long-term sinus problems
- Persistent sinus inflammation
ICD-10 Codes:
- J329: Chronic sinusitis, unspecified
Also known as:
- Other Food Allergy
- Food Allergy
- Unspecified Food Allergy
- Multiple Food Allergies
- Food Hypersensitivity
ICD-10 Codes:
- Z91018: Allergy to other foods
Also known as:
- Chronic Hives
- Other Types of Hives
- Hives
- Hives of unknown cause
- Spontaneous urticaria
- Persistent welts
- Atypical hives
- Uncommon urticaria
- Variant hives
ICD-10 Codes:
- L501: Idiopathic urticaria
- L508: Other urticaria
Also known as:
- Allergic Rhinitis
- Allergy
- Nasal allergy
- Chronic allergy symptoms
- Allergic reactions
ICD-10 Codes:
- J3089: Other allergic rhinitis
Also known as:
- Common Variable Immunodeficiency (CVID)
- Immune System and Disorder
- Common variable immune deficiency
- CVID
- Acquired Hypogammaglobulinemia
ICD-10 Codes:
- D839: Common variable immunodeficiency, unspecified
Also known as:
- Cough
- Coughing
- Persistent cough
- Chronic cough
ICD-10 Codes:
- R059: Cough, unspecified
What procedures does an Allergist & Immunologist like Dr. Villacis typically perform?
As an Allergist & Immunologist, procedures performed by Dr. John Villacis may include:
- Allergy Consultation
- Allergy Follow Up
- Allergy Shots
- Allergy Testing
- Insect Bite(s)
- Sinus Surgeon Consultation
- Sinus Surgeon Follow Up
- Sinus Surgery
Please contact Dr. Villacis' office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Villacis accept my insurance?
Dr. Villacis accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Villacis accept in Austin, TX?
Dr. Villacis in Austin, TX accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Aetna
Blue Cross Blue Shield
Blue Cross Blue Shield of Illinois
Blue Cross Blue Shield of Michigan
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
Health Care Service Corporation
Medicare
Oscar Health
Unknown
View All Insurances
Where is Dr. Villacis' office located?
What is Dr. Villacis's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Villacis's National Provider Identifier (NPI) number is 1437115888.
What common questions do patients ask about Dr. Villacis?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Villacis
What is Dr. John Villacis's specialty?
Dr. Villacis is a Allergist & Immunologist near Austin, TX.
What does an Allergist & Immunologist do?
An allergist-immunologist is well-versed in the assessment, physical examination, laboratory diagnosis, and treatment of immune system disorders. These conditions include, but are not limited to, eczema, asthma, anaphylaxis, rhinitis, and adverse reactions to food, medication, and insect stings. Furthermore, they manage immune deficiency diseases, whether acquired or congenital, issues with host defense, and challenges associated with autoimmune diseases, organ transplantation, or immune system malignancies.
Is this Dr. John Villacis affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Villacis is affiliated with St. David's North Austin Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see an Allergist & Immunologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see an Allergist & Immunologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is John Villacis accepting new patients in Austin, TX?
Yes, Dr. John Villacis is accepting new patients at this time.
Does Dr. John Villacis offer online booking?
Please contact Dr. Villacis's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Villacis?
Please contact Dr. Villacis's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Villacis have?
Dr. John Villacis is certified by the American Board of Internal Medicine.
Other Allergist & Immunologist Near Austin, TX

Allergist & Immunologist
Dr. Scott Oberhoff, MD is an Allergist & Immunologist, who primarily practices in Austin, TX with 2 additional practice locations. He is board certified.
Austin, TX

Otolaryngologist
Dr. Wallace Taylor, MD is an Otolaryngologist, who primarily practices in Austin, TX with 2 additional practice locations. He is board certified.
Austin, TX

Allergist & Immunologist
Dr. Neha Reshamwala, MD is an Allergist & Immunologist, who primarily practices in Austin, TX with 1 additional practice location. She has been practicing for over 15 years and is board certified.
Austin, TX
BOOK APPOINTMENT