Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Lauren M Sladek, APN
Nurse Practitioner in Ottawa, IL · enumerated 2019.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1982164471
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Registry record
Entity type Individual (Type 1)
Name Lauren M Sladek
Credential APN
Sex Female
Practice address 1050 E Norris Dr, Ottawa, IL, 61350
Phone (815) 434-0276
Fax (815) 434-0319
Enumeration date Mar 21, 2019
Last updated in NPPES Feb 16, 2022
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209019090 (IL) 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.
Frequently asked questions
Where does Lauren Sladek practice?
The practice location on file with NPPES is in Ottawa, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Lauren Sladek?
The National Provider Identifier (NPI) for Lauren Sladek is 1982164471, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-02-16.