Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Brian J Downs, D.O.

Family Medicine Physician in Valencia, CA · enumerated 2006.

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

National Provider Identifier

1881795631

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Registry record

Entity type Individual (Type 1)

Name Brian J Downs

Credential D.O.

Sex Male

Practice address Valencia, CA, 91355

Phone (661) 200-1525

Fax (661) 200-1534

Enumeration date Sep 26, 2006

Last updated in NPPES Oct 8, 2015

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

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 20A7534 (CA) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1881795631 active?

Yes, as of the latest NPPES snapshot, NPI 1881795631 is active (record last updated 2015-10-08).

How do I verify Brian Downs's NPI record?

Cross-check NPI 1881795631 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-10-08.