IndividualActive
Nathan Clark, M.ED., BCBA
NPI 1881172195 · Behavior Analyst · Lincolnwood, IL
Nathan Clark, M.ED., BCBA is a Behavior Analyst provider in Lincolnwood, IL (NPI 1881172195).
Provider details
- NPI number
- 1881172195
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Credential
- M.ED., BCBA
- Sex
- Male
- Sole proprietor
- No
- License
- 1-20-43731 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(72/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
4433 W Touhy Ave Ste 335
Lincolnwood, IL 60712-1820
Phone: (765) 635-3349
Street-level locationGet directions
Mailing address
950 Lee St Ste 210
Des Plaines, IL 60016-6574
Additional practice locations (1)
- 950 Lee St Ste 210Des Plaines, IL 60016-6574Phone: (877) 486-4140Fax: (847) 486-4145
Registry dates
- Enumerated
- 2018-07-30
- Last updated
- 2020-08-05
- Certified
- 2020-08-05
Frequently asked questions
- What is Nathan Clark's NPI number?
- Nathan Clark's National Provider Identifier (NPI) is 1881172195, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Clark's specialty?
- Nathan Clark is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Nathan Clark located?
- Nathan Clark's practice location on file with NPPES is 4433 W Touhy Ave Ste 335, Lincolnwood, IL 60712-1820.
- What is Nathan Clark's phone number?
- The practice phone number listed in the NPPES registry for Nathan Clark is (765) 635-3349.
- Is Nathan Clark's NPI active?
- Yes — Nathan Clark's NPI (1881172195) is active in the NPPES registry as of the last update on 2020-08-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.