Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Leisa Knapp, RN

Registered Nurse in Joliet, IL · enumerated 2017.

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

National Provider Identifier

1629502745

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Registry record

Entity type Individual (Type 1)

Name Leisa Knapp

Credential RN

Sex Female

Practice address 602 Big Timber Dr, Joliet, IL, 60431

Phone (779) 702-1625

Enumeration date Apr 14, 2017

Last updated in NPPES Apr 14, 2017

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 041450001 (IL) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN 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 1629502745 active?

Yes, as of the latest NPPES snapshot, NPI 1629502745 is active (record last updated 2017-04-14).

How do I verify Leisa Knapp's NPI record?

Cross-check NPI 1629502745 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 2017-04-14.