Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Karen Van Leuven, PHD, FNP

Family Nurse Practitioner in Piedmont, CA · enumerated 2007.

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

National Provider Identifier

1003967415

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Registry record

Entity type Individual (Type 1)

Name Karen Van Leuven

Credential PHD, FNP

Sex Female

Practice address 2 Greenbank Ave, Piedmont, CA, 94611

Phone (510) 499-7031

Enumeration date Jan 13, 2007

Last updated in NPPES Sep 30, 2013

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 322586 (CA) Primary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD 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

Is NPI 1003967415 active?

Yes, as of the latest NPPES snapshot, NPI 1003967415 is active (record last updated 2013-09-30).

How do I verify Karen Van Leuven's NPI record?

Cross-check NPI 1003967415 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-09-30.