Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mrs. Janet Davis Marks
Recreation Therapist in Hines, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1588756456
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Mrs. Janet Davis Marks
Sex Female
Practice address 5th and Roosevelt, Hines, IL, 60141
Phone (708) 202-8387
Enumeration date Sep 29, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
225800000X Recreation Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 12345 | Other | IL | 12345 |
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 Janet Marks?
The National Provider Identifier (NPI) for Janet Marks is 1588756456, a Type 1 (individual) record in the CMS NPPES registry.
Where does Janet Marks practice?
The practice location on file with NPPES is in Hines, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Barry Klor Speech-Language Pathologist · Hines, IL NPI 1255368825 William Lofthouse Kinesiotherapist · Hines, IL NPI 1326140724 Kurtis Noblett Clinical Psychologist · Hines, IL NPI 1316040470 Erin Purser Blind Rehabilitation Specialist/Technologist · Hines, IL NPI 1871699793 Jovisa Stevlic Internal Medicine Physician · Hines, IL NPI 1215034616 Jill Kalkofen-Jacobsen Recreation Therapist · Hines, IL NPI 1790885788 Jessica Dayal Medical Physician Assistant · Hines, IL NPI 1477644995 Edward Novak Pharmacist · Hines, IL NPI 1396837076
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.