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

Dierdre A Gilliam, MSN, RN, PHN

Individual provider Administrator Registered Nurse · NPI 1205984010

Dierdre A Gilliam, MSN, RN, PHN is an Administrator Registered Nurse in Woodland, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

137 N Cottonwood St Ste 2400
Woodland, CA 95695
Phone: (530) 666-8558
Fax: (530) 666-7447
Show map & directions

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

Specialties & licences

Administrator Registered Nurse (primary) Taxonomy 163WA2000X · Licence 607502 (CA)
Community Health Registered Nurse Taxonomy 163WC1500X · Licence 607502 (CA)

Record details

NPI number1205984010
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , RN , PHN
Sole proprietorNo
NPI enumeratedJanuary 8, 2007
Last updated in NPPESSeptember 11, 2025

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