NPI Portal NPI Lookup & Verification

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

Mr. John Preble, LCSW

Mental Health Counselor in Murrieta, CA · enumerated 2010.

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

National Provider Identifier

1508184300

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mr. John Preble
Credential LCSW
Sex Male
Practice address Murrieta, CA, 92563
Enumeration date May 4, 2010
Last updated in NPPES Jul 1, 2011

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

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License LCS11405 (CA) Primary
106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License MFC18532 (CA) Secondary
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW 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

What is the NPI number for John Preble?
The National Provider Identifier (NPI) for John Preble is 1508184300, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Preble practice?
The practice location on file with NPPES is in Murrieta, 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 2011-07-01.