Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David Liao, M.D.
Hospitalist Physician in Irvine, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1316979909
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Registry record
Entity type Individual (Type 1)
Name David Liao
Credential M.D.
Sex Male
Practice address 16200 Sand Canyon Ave, Irvine, CA, 92618
Phone (949) 610-7245
Fax (657) 241-7720
Enumeration date Jul 6, 2006
Last updated in NPPES Jun 5, 2017
Taxonomy & licenses
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License A74325 (CA) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| P00380984 | Other | CA | MEDICARE RAILROAD |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does David Liao practice?
The practice location on file with NPPES is in Irvine, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for David Liao?
The National Provider Identifier (NPI) for David Liao is 1316979909, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-06-05.