Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. David Ramsey O'Shaughnessy, M.S.

Marriage & Family Therapist in Moreno Valley, CA · enumerated 2010.

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

National Provider Identifier

1235451253

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Registry record

Entity type Individual (Type 1)

Name Mr. David Ramsey O'Shaughnessy

Credential M.S.

Sex Male

Practice address 21250 Box Springs Rd, Suite 106, Moreno Valley, CA, 92557

Phone (951) 369-8036

Fax (951) 369-8303

Enumeration date Feb 17, 2010

Last updated in NPPES Feb 17, 2010

Taxonomy & licenses

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 61070 (CA) 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 1235451253 active?

Yes, as of the latest NPPES snapshot, NPI 1235451253 is active (record last updated 2010-02-17).

How do I verify David O'Shaughnessy's NPI record?

Cross-check NPI 1235451253 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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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2010-02-17.