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

MS. Bonnie B Gianoli, BS, RN

Individual provider Gastroenterology Registered Nurse · NPI 1891992087

MS. Bonnie B Gianoli, BS, RN is a Gastroenterology Registered Nurse in Walnut Creek, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
BS — Bachelor of Science
An undergraduate science degree.
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

1425 S Main St Gastroenterology
Walnut Creek, CA 94596-5318
Phone: (925) 295-5754
Fax: (925) 295-4746
Show map & directions

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

Specialties & licences

Gastroenterology Registered Nurse (primary) Taxonomy 163WG0100X · Licence 358113 (CA)

Record details

NPI number1891992087
Entity typeIndividual (Type 1)
GenderFemale
Credentials BS , RN
Sole proprietorNo
NPI enumeratedJune 29, 2007
Last updated in NPPESJuly 8, 2007

Other providers in Walnut Creek