Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Leszek W Michalski, PT
Physical Therapist in Algonquin, IL · enumerated 2009.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1326372111
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Mr. Leszek W Michalski
Credential PT
Sex Male
Practice address 1406 E. Algonquin Road, Algonquin, IL, 60102
Phone (847) 854-0196
Fax (847) 854-0197
Enumeration date Sep 25, 2009
Last updated in NPPES Sep 25, 2009
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 070.006583 (IL) Primary
PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation.
About the PT 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.
Frequently asked questions
Where does Leszek Michalski practice?
The practice location on file with NPPES is in Algonquin, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Leszek Michalski?
The National Provider Identifier (NPI) for Leszek Michalski is 1326372111, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-09-25.