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

Karen SIU, NP

Individual provider Nurse Practitioner · NPI 1225538762

Karen SIU, NP is a Nurse Practitioner in Mountain View, California. Licensed in California. Registered with an NPI since 2018.

Licensed in
CA
In the registry since
2018
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

701 E El Camino Real
Mountain View, CA 94040-2833
Phone: (650) 934-7000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 95007908 (CA)
Pediatric Nurse Practitioner Taxonomy 363LP0200X · Licence 95007908 (CA)

Record details

NPI number1225538762
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedFebruary 20, 2018
Last updated in NPPESOctober 18, 2018

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