Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Oso Niguel Medical Group

Q: What is the NPI number for Oso Niguel Medical Group?

The NPI for Oso Niguel Medical Group is 1679681324, a Type 2 (organization) record in the CMS NPPES registry.

Internal Medicine Physician in Laguna Niguel, CA · enumerated 2006 · authorized official John Meehan, Partner.

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

National Provider Identifier

1679681324

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Registry record

Entity type Organization (Type 2)

Legal business name Oso Niguel Medical Group

Practice address 27231 La Paz, #A, Laguna Niguel, CA, 92677

Phone (949) 643-9111

Fax (949) 643-8916

Enumeration date Aug 25, 2006

Last updated in NPPES Jan 7, 2011

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name John Meehan

Title Partner

Phone (949) 643-9111

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 Oso Niguel Medical Group?

The NPI for Oso Niguel Medical Group is 1679681324, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Oso Niguel Medical Group?

NPPES lists John Meehan (Partner) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-01-07.