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Susan Mary Karplus, N.P.

Family Nurse Practitioner in Castro Valley, CA · enumerated 2008.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1184878654

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Registry record

Entity type Individual (Type 1)
Name Susan Mary Karplus
Credential N.P.
Sex Female
Practice address 20400 Lake Chabot Rd, Suite 102, Castro Valley, CA, 94546
Phone (510) 247-9227
Fax (510) 247-9241
Enumeration date Nov 11, 2008
Last updated in NPPES Apr 4, 2016

Taxonomy & licenses

163WP2201X Ambulatory Care Registered Nurse Nursing Service Providers · License 385018 (CA) Secondary
363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License NP 18840 (CA) Primary
NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

What is the NPI number for Susan Karplus?
The National Provider Identifier (NPI) for Susan Karplus is 1184878654, a Type 1 (individual) record in the CMS NPPES registry.
Where does Susan Karplus practice?
The practice location on file with NPPES is in Castro Valley, CA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-04-04.