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

MS. Josephine Guerrero Billington, RN, NP

Individual provider Primary Care Nurse Practitioner · NPI 1215007745

MS. Josephine Guerrero Billington, RN, NP is a Primary Care Nurse Practitioner in Berkeley, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

2222 Bancroft Ext
Berkeley, CA 94720-4300
Phone: (510) 643-5400
Fax: (510) 642-6428
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Primary Care Nurse Practitioner (primary) Taxonomy 363LP2300X · Licence RN235849 NP6732 (CA)

Record details

NPI number1215007745
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN , NP
Sole proprietorNo
NPI enumeratedNovember 9, 2006
Last updated in NPPESJuly 8, 2007

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