Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Irvin Chi-Yang Lien, MD

Individual provider Hospitalist Physician · NPI 1124654272

Irvin Chi-Yang Lien, MD is a Hospitalist Physician in Redwood City, California. Licensed in California. Registered with an NPI since 2020.

Licensed in
CA
In the registry since
2020
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1100 Veterans Blvd
Redwood City, CA 94063-2037
Phone: (650) 299-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence A180133 (CA)

Record details

NPI number1124654272
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2020
Last updated in NPPESJuly 2, 2023
Certification dateJuly 2, 2023

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