NPI Portal NPI Lookup & Verification

Patrick James Brennan

Patrick James Brennan is a Pharmacist provider (Pharmacist) practicing in Grass Valley, CA, registered in the NPPES registry with NPI 1629508023 since 2017.

✓ Active NPI ✓ Valid NPI checksum

NPI 1629508023
Entity type Individual (Type 1)
Name Patrick James Brennan
Sex Male
Practice address 692 FREEMAN LN STE A, Grass Valley, CA, 95949
Phone 5302722496
Enumeration date 2017-06-18
Last updated in NPPES 2022-07-21

Taxonomy & licenses

Taxonomy code Specialty Primary License State
183500000X Pharmacist Primary 35079 CA
Copy-ready billing details
Provider: Patrick Brennan
NPI: 1629508023
Taxonomy: 183500000X (Pharmacist)
Address: 692 FREEMAN LN STE A, Grass Valley, CA, 95949

Verify this record

Cross-check NPI 1629508023 against the authoritative CMS record: view Patrick James Brennan 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

Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Patrick Brennan?
Patrick Brennan is registered in NPPES with the primary taxonomy of Pharmacist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2022-07-21.