Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Katherine Rae Penninga

Social Worker in San Diego, CA · enumerated 2012.

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

National Provider Identifier

1649546979

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Registry record

Entity type Individual (Type 1)

Name Katherine Rae Penninga

Sex Female

Practice address 1601 Precision Park Ln, San Diego, CA, 92173

Phone (619) 662-4100

Enumeration date Mar 30, 2012

Last updated in NPPES Jul 1, 2024

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 6801093772 (MI) Secondary

104100000X Social Worker Behavioral Health & Social Service Providers · License 90390 (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 1649546979 active?

Yes, as of the latest NPPES snapshot, NPI 1649546979 is active (record last updated 2024-07-01).

How do I verify Katherine Penninga's NPI record?

Cross-check NPI 1649546979 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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Monica Mcmillan Emergency Medicine Physician · San Diego, CA NPI 1730117979 Thomas Fitzgerald Psychiatry Physician · San Diego, CA NPI 1942364328 Sherilyn Rosenblatt Medical Physician Assistant · San Diego, CA NPI 1114041621 Nam-Phong Le Clinical Social Worker · San Diego, CA NPI 1629225925 Christine James Psychiatry Physician · San Diego, CA NPI 1679834022 Negin Rajaipour Family Medicine Physician · San Ysidro, CA NPI 1508286709 Asma Alghamdi Geriatric Medicine (Family Medicine) Physician · San Diego, CA NPI 1316310840 Emily Sbiroli Emergency Medicine Physician · San Diego, CA NPI 1144751199

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-01.