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22 Years of Experience
Accepting patients
Who is Dr. Liao, Allergist & Immunologist in Tustin, CA?
Dr. Otto Liao, MD is an Allergist & Immunologist, who primarily practices in Tustin, CA with 2 additional practice locations. He has been practicing for over 22 years and is board certified by the American Board of Allergy and Immunology and American Board of Pediatrics. Dr. Liao graduated from UCLA David Geffen School of Medicine/UCLA Medical Center Program and completed his residency at Cedars-Sinai Medical Center. He is a member of the MemorialCare Physician Society. Dr. Liao is fluent in English and Spanish, and is currently seeing new patients. Dr. Liao’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Liao’s office at (714) 838-2617.
Where did Dr. Liao go to medical school and complete their residency?
Fellowship: University of California, Irvine | UCI | UC Irvine Medical Center: June 30 | Allergy & Immunology Fellowship: University of California, Irvine
Residency: Cedars-Sinai Medical Center
Medical School: UCLA David Geffen School of Medicine/UCLA Medical Center Program
Is Dr. Liao board certified in Allergist & Immunologist?
Yes, Dr. Otto Liao, MD is board certified by the American Board of Allergy and Immunology , American Board of Pediatrics
What languages does Dr. Liao speak?
Dr. Liao and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Liao treat?
As a Allergist & Immunologist, Dr. Liao 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. Liao. 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.
Also known as:
- Allergic Rhinitis
- Allergic Contact Dermatitis
- Bee Allergy
- Allergy
- Rashes
- Insect Bites and Stings
- Nasal allergy
- Chronic allergy symptoms
- Allergic reactions
- Allergic skin rash
- Contact allergy
- Skin irritation from chemicals
- Insect sting allergy
- Bee sting hypersensitivity
- Hymenoptera venom allergy
ICD-10 Codes:
- J3089: Other allergic rhinitis
- L235: Allergic contact dermatitis due to other chemical products
- Z91030: Bee allergy status
Also known as:
- Chronic Hives
- Dermatographic Hives
- Hives
- Hives of unknown cause
- Spontaneous urticaria
- Persistent welts
- Skin writing
- Dermatographism
- Pressure hives
- Urticaria
- Welts
- Itchy rash
ICD-10 Codes:
- L501: Idiopathic urticaria
- L503: Dermatographic urticaria
- L509: Urticaria, unspecified
Also known as:
- Atopic Dermatitis
- Eczema
- Atopic dermatitis
- Itchy skin rash
- Allergic skin condition
ICD-10 Codes:
- L2089: Other atopic dermatitis
- L209: Atopic dermatitis, unspecified
Also known as:
- Moderate Persistent Asthma
- Severe Persistent Asthma
- Mild Intermittent Asthma
- Asthma
- Ongoing Moderate Asthma
- Regular Moderate Asthma
- Chronic Moderate Asthma
- Chronic Severe Asthma
- Difficult-to-Treat Asthma
- Severe Asthma
- Occasional Asthma
- Mild Asthma Attacks
- Infrequent Asthma
ICD-10 Codes:
- J4540: Moderate persistent asthma, uncomplicated
- J4550: Severe persistent asthma, uncomplicated
- J4520: Mild intermittent asthma, uncomplicated
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:
- Dermatitis
- Eczema
- Rashes
- Atopic Dermatitis
- Skin Inflammation
- Skin Rash
ICD-10 Codes:
- L309: Dermatitis, unspecified
Also known as:
- Pink Eye
- Conjunctivitis
- Red Eye
- Allergic Pink Eye
- Allergic Conjunctivitis
ICD-10 Codes:
- H1045: Other chronic allergic conjunctivitis
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:
- 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:
- Allergic Contact Dermatitis from Metals
- Allergy
- Rashes
- Metal allergy rash
- Nickel allergy
- Jewelry rash
ICD-10 Codes:
- L230: Allergic contact dermatitis due to metals
Also known as:
- Itching
- Pruritus
- Skin Itch
- Generalized Itching
ICD-10 Codes:
- L299: Pruritus, unspecified
Also known as:
- Complement System Deficiency
- Immune System and Disorder
- Complement component 8 deficiency
- Complement Deficiency
- Immune Complement Defect
ICD-10 Codes:
- D841: Defects in the complement system
Also known as:
- Allergic Rhinitis
- Allergy
- Nasal allergies
- Allergy rhinitis
- Chronic runny nose
ICD-10 Codes:
- J309: Allergic rhinitis, unspecified
Which procedures does Dr. Liao perform as a Allergist & Immunologist?
As a Allergist & Immunologist, procedures performed by an Dr. Otto Liao may include:
- Allergy Consultation
- Allergy Follow Up
- Allergy Shots
- Allergy Testing
- Insect Bite(s)
- Sinus Surgeon Consultation
- Sinus Surgeon Follow Up
- Sinus Surgery
For detailed information, please contact Dr. Liao's office.
Does Dr. Liao accept my insurance?
Dr. Liao accepts most major insurance plans. Important: Please call our office at (714) 838-2617 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Liao accept in Tustin, CA?
Dr. Liao in Tustin, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Centene
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Hoag Memorial Hospital Presbyterian
OptumRx
Other Health Care Provider
Seaside Health Plan
St. Joseph Health System (CA)
UnitedHealthcare
View All Insurances
Where is Dr. Liao's office located?
Recognitions
Memberships & Associations
MemorialCare Physician Society
Member
What is Dr. Liao's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Liao's National Provider Identifier (NPI) number is 1225042674.
What common questions do patients ask about Dr. Liao?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Liao
What is Dr. Otto Liao's specialty?
Dr. Liao is a Allergist & Immunologist near Tustin, CA. 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. Contact Dr. Liao to book an appointment today.
Is this Dr. Otto Liao affiliated with a ranked Castle Connolly Top Hospital?
No, Liao is not affiliated with a Castle Connolly Top Hospital. Castle Connolly Top Hospitals 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
Where can I learn more about Allergist & Immunologist?
Explore Allergist & Immunologist with 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 Otto Liao accepting new patients in Tustin, CA?
Yes, Dr. Otto Liao is accepting new patients at this time.
Does Dr. Otto Liao offer online booking?
Please contact Dr. Liao's office at (714) 838-2617 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Otto Liao?
Please contact Dr. Liao's office at (714) 838-2617 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Otto Liao have?
Dr. Otto Liao is certified by the American Board of Allergy and Immunology and American Board of Pediatrics.
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