Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Nathan Edward Clark, M.ED., BCBA
Behavior Analyst in Lincolnwood, IL · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1881172195
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Registry record
Entity type Individual (Type 1)
Name Nathan Edward Clark
Credential M.ED., BCBA
Sex Male
Practice address 4433 W Touhy Ave Ste 335, Lincolnwood, IL, 60712
Phone (765) 635-3349
Enumeration date Jul 30, 2018
Last updated in NPPES Aug 5, 2020
Taxonomy & licenses
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-20-43731 (IL) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1-20-43731 | Other | IL | BEHAVIOR ANALYST CERTIFICATION BOARD |
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 Nathan Clark practice?
The practice location on file with NPPES is in Lincolnwood, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Nathan Clark?
The National Provider Identifier (NPI) for Nathan Clark is 1881172195, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Courtney Peterson Physical Therapist · Lincolnwood, IL NPI 1558816058 Nicole Nesslar Pediatric Occupational Therapist · Lincolnwood, IL NPI 1043739519 Ksenia Golikova Behavior Technician · Lincolnwood, IL NPI 1790285872 Kristin Bertsatos Behavior Technician · Lincolnwood, IL NPI 1376044669 Jianna Papazafeiropoulos Behavior Technician · Lincolnwood, IL NPI 1083105316 Emily Blim Behavior Technician · Lincolnwood, IL NPI 1407311608 Kelly Choi Behavior Analyst · Lincolnwood, IL NPI 1487251849 Melissa Godoy Behavior Analyst · Lincolnwood, IL NPI 1588326185
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-05.