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

MS. Sharon Ann Castellanos, WHNP, CNS

Individual provider Registered Nurse · NPI 1841300233

MS. Sharon Ann Castellanos, WHNP, CNS is a Registered Nurse in Santa Clara, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
4
What do these letters mean?
WHNP — Women's Health Nurse Practitioner
A nurse practitioner specialising in women's health.
CNS — Clinical Nurse Specialist
An advanced practice nurse specialising in a patient population or setting.

See every abbreviation used in this directory →

Practice location Address checks out

710 Lawrence Expy
Santa Clara, CA 95051-5173
Phone: (408) 851-3551
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Community Health Registered Nurse (primary) Taxonomy 163WC1500X · Licence 37566 (CA)
Registered Nurse Taxonomy 163W00000X · Licence 3773 (CA)
Women's Health Nurse Practitioner Taxonomy 363LW0102X · Licence 378650 (CA)
Clinical Nurse Specialist Taxonomy 364S00000X · Licence 2622 (CA)

Record details

NPI number1841300233
Entity typeIndividual (Type 1)
GenderFemale
Credentials WHNP , CNS
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESSeptember 11, 2025

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