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

Giselle Greenan Maher, RN

Individual provider Registered Nurse · NPI 1396371555

Giselle Greenan Maher, RN is a Registered Nurse in Danville, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2020
What do these letters mean?
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

520 Ferncroft Ct
Danville, CA 94526-5518
Phone: (925) 683-4039
Show map & directions

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

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence 604626 (CA)

Record details

NPI number1396371555
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorYes
NPI enumeratedMarch 19, 2020
Last updated in NPPESMarch 19, 2020
Certification dateMarch 19, 2020

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