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

Susan Mary Karplus, NP

Individual provider Ambulatory Care Registered Nurse · NPI 1184878654

Susan Mary Karplus, NP is an Ambulatory Care Registered Nurse in Castro Valley, California. Licensed in California. Registered with an NPI since 2008.

Licensed in
CA
In the registry since
2008
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

20400 Lake Chabot Rd Ste 102
Castro Valley, CA 94546-5311
Phone: (510) 247-9227
Fax: (510) 247-9241
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence NP 18840 (CA)
Ambulatory Care Registered Nurse Taxonomy 163WP2201X · Licence 385018 (CA)

Record details

NPI number1184878654
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedNovember 11, 2008
Last updated in NPPESApril 4, 2016