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

Elaine Y. Chien, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1457423295

Elaine Y. Chien, MD is an Obstetrics & Gynecology Physician in Redwood City, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

2900 Whipple Ave #135
Redwood City, CA 94062-2843
Phone: (650) 366-5594
Fax: (650) 366-6352
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence A67860 (CA)

Record details

NPI number1457423295
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 15, 2006
Last updated in NPPESFebruary 28, 2012

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