Ms. Alexandra Sinclair

Ms. Alexandra Sinclair is a Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist provider (Pharmacist) practicing in Thousand Oaks, CA, registered in the NPPES registry with NPI 1669138525 since 2021.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1669138525
Entity type	Individual (Type 1)
Name	Ms. Alexandra Sinclair
Sex	Female
Practice address	Thousand Oaks, CA, 91360
Phone	8054921559
Enumeration date	2021-11-15
Last updated in NPPES	2021-11-15

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
1835P0018X	Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist	Primary	42845	CA

Copy-ready billing details

Provider: Alexandra Sinclair
NPI: 1669138525
Taxonomy: 1835P0018X (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
Address: Thousand Oaks, CA, 91360

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1932236742	Sammy Jung	Individual	Pharmacist	Thousand Oaks, CA
1568783504	Joanne Kozel	Individual	Pharmacist	Thousand Oaks, CA
1174341572	Matias Rubio	Individual	Pharmacy Technician	Thousand Oaks, CA

Verify this record

Cross-check NPI 1669138525 against the authoritative CMS record: view Ms. Alexandra Sinclair on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where does Alexandra Sinclair practice?

The practice location on file with NPPES is in Thousand Oaks, CA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Alexandra Sinclair?

The National Provider Identifier (NPI) for Alexandra Sinclair is 1669138525, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2021-11-15.