Dr. Otto Liao, M.D.
Allergy/immunology
20+
Years in Practice
Practice Locations
1 location
About Dr. Otto Liao
Otto Liao, M.D. is a healthcare provider practicing in Tustin, CA.
Specialty Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
29
Years Experience
1
Location
1
States Licensed
Credentials & Board Certifications
Additional Specialties
Primary Specialty
Allergy/immunologyCredentials verified via NPI Registry (NPPES)
Education & Training
Medical School
Other
Class of 1997
Licenses & Practice States
Licensed in 1 state
| State | License | Classification | Primary |
|---|---|---|---|
| California | A068959 | Internal Medicine | — |
| California | A068959 | Pediatrics | — |
| California | A068959 | Allergy & Immunology |
Public Data Summary for Dr. Otto Liao
With 20 years of practice, Dr. Otto Liao is an established allergy/immunology provider, M.D., after earning their medical degree at Other in 1997. Dr. currently practices at Chest And Critical Care Consultants A Medical Group in Tustin, California. Their National Provider Identifier (NPI) is 1225042674, and the profile below combines data from CMS NPPES, Medicare billing records, the HHS OIG exclusion list, and — where available — CMS Open Payments, Medicare Utilization, and Part D prescriber summaries.
CMS Medicare data shows Dr. Otto Liao as a lower-volume allergy/immunology provider, treating approximately 244 Medicare beneficiaries and delivering 11K services in the most recent reporting year. That panel size indicates a smaller, more selective practice pattern.
Under the Physician Payments Sunshine Act, CMS reports that Dr. Otto Liao received $2K in industry payments in 2023. Payments at this scale are typical for most practicing physicians and generally reflect routine educational activities.
Transparency & Safety
Public records from CMS and OIG databases
Industry Payments
$2K
Total payments received from pharmaceutical and medical device companies in 2023.
Source: CMS Open Payments (Sunshine Act)
Opioid Prescribing
This provider has no opioid prescriptions on file in Medicare Part D data.
Insurance & Accessibility
Reviews
Community reviews for Dr. Otto Liao
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0 reviews
Allergy/immunology Providers Nearby
Same primary specialty near ZIP 92780
FAQ
Frequently asked questions about Dr. Otto Liao
What does Dr. Otto Liao specialize in?
Dr. Otto Liao specializes in Allergy/immunology. Secondary taxonomy filings also list Pediatrics and Internal Medicine.
Where does Dr. Otto Liao practice?
Dr. Otto Liao practices at Chest And Critical Care Consultants A Medical Group in Tustin, California.
Does Dr. Otto Liao accept Medicare?
CMS records show that Dr. Otto Liao accepts Medicare assignment. CMS billing data shows 244 Medicare beneficiaries treated in the most recent reporting year.
What is Dr. Otto Liao's NPI number?
Dr. Otto Liao's National Provider Identifier (NPI) is 1225042674. This is the unique 10-digit number the Centers for Medicare & Medicaid Services assigns to every practicing US healthcare provider. You can verify this number directly at the NPPES NPI Registry.
How long has Dr. Otto Liao been practicing?
Dr. Otto Liao has approximately 20 years of practice experience, having graduated from Other in 1997.