Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Deanne Lynn O'Brien, LMHC

Mental Health Counselor in Clermont, FL · enumerated 2011.

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

National Provider Identifier

1427325786

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Registry record

Entity type Individual (Type 1)

Name Mrs. Deanne Lynn O'Brien

Credential LMHC

Sex Female

Practice address 4023 Capland Ave, Clermont, FL, 34711

Phone (954) 804-9716

Enumeration date Nov 30, 2011

Last updated in NPPES Apr 3, 2023

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License MH11617 (FL) 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

What is the NPI number for Deanne O'Brien?

The National Provider Identifier (NPI) for Deanne O'Brien is 1427325786, a Type 1 (individual) record in the CMS NPPES registry.

Where does Deanne O'Brien practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-04-03.