Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dwight Nairn

Counselor in Upland, CA · enumerated 2007.

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

National Provider Identifier

1538350079

Verified

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Registry record

Entity type Individual (Type 1)

Name Dwight Nairn

Sex Male

Practice address 916 N Mountain Ave, Suite A, Upland, CA, 91786

Phone (909) 932-1069

Enumeration date Aug 8, 2007

Last updated in NPPES Aug 8, 2007

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers Primary

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 1538350079 active?

Yes, as of the latest NPPES snapshot, NPI 1538350079 is active (record last updated 2007-08-08).

How do I verify Dwight Nairn's NPI record?

Cross-check NPI 1538350079 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Susan Otero Addiction (Substance Use Disorder) Counselor · Upland, CA NPI 1831222652 Robert Bevins Counselor · Upland, CA NPI 1295926780 Alan Collins Counselor · Upland, CA NPI 1093906588 Rodney Cowart Counselor · Upland, CA NPI 1609067115 Christie Morris Counselor · Upland, CA NPI 1366633802 Renee Rodriguez Counselor · Upland, CA NPI 1508057043 Elizabeth Sanchez Counselor · Upland, CA NPI 1780875229 Tamara Shearer Counselor · Upland, CA NPI 1770774218

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-08-08.