Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Randolph P Frieser, PT
Physical Therapist in Chicago, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1366466252
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Registry record
Entity type Individual (Type 1)
Name Randolph P Frieser
Credential PT
Sex Male
Practice address 222 Merchandise Mart Plz, Suite 951, Chicago, IL, 60654
Phone (312) 878-8800
Enumeration date Jul 26, 2006
Last updated in NPPES Sep 10, 2013
Taxonomy & licenses
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 070004684 (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
What is the NPI number for Randolph Frieser?
The National Provider Identifier (NPI) for Randolph Frieser is 1366466252, a Type 1 (individual) record in the CMS NPPES registry.
Where does Randolph Frieser practice?
The practice location on file with NPPES is in Chicago, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Rachel Piszczor Clinical Child & Adolescent Psychologist · Chicago, IL NPI 1417041583 Paul Larson Psychologist · Chicago, IL NPI 1679604771 James Dubose Clinical Psychologist · Chicago, IL NPI 1013133479 Rucsandra Georgescu Clinical Psychologist · Chicago, IL NPI 1104054998 A-Agelopoulos, LLC Clinical Psychologist · Chicago, IL NPI 1295034841 Grant White Clinical Psychologist · Chicago, IL NPI 1134481658 Megan Pietrucha Clinical Psychologist · Chicago, IL NPI 1679919567 Double Helix Group. Ltd Case Management Agency · Chicago, IL NPI 1003213661
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-09-10.