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

Nancy Barbara Davidson, RN, PHN

Individual provider Case Management Registered Nurse · NPI 1346450681

Nancy Barbara Davidson, RN, PHN is a Case Management Registered Nurse in Vallejo, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

355 Tuolumne St
Vallejo, CA 94590-5700
Phone: (707) 553-5402
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Case Management Registered Nurse (primary) Taxonomy 163WC0400X · Licence 227219 (CA)

Record details

NPI number1346450681
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , PHN
Sole proprietorNo
NPI enumeratedMay 23, 2007
Last updated in NPPESJuly 8, 2007
Mailing address1221 Lewis Ave, Vallejo, CA 94591-8083

Other providers in Vallejo