NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Kathleen Jan Gillis, RN MSN FNP

Family Nurse Practitioner in Oakland, CA · enumerated 2006.

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

National Provider Identifier

1750354882

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Ms. Kathleen Jan Gillis
Credential RN MSN FNP
Sex Female
Practice address 2950 International Blvd, Oakland, CA, 94601
Phone (510) 535-4400
Enumeration date Feb 9, 2006
Last updated in NPPES Jun 17, 2025

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License RN289570 (CA) Secondary
363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 7266 (CA) Primary

Other identifiers

Identifier Type State Issuer
GR0028630 Medicaid CA -

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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Kathleen Gillis?
The National Provider Identifier (NPI) for Kathleen Gillis is 1750354882, a Type 1 (individual) record in the CMS NPPES registry.
Where does Kathleen Gillis practice?
The practice location on file with NPPES is in Oakland, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-17.