National Provider Identifier Database

LEAH E CLARK, ED.S, BCBA – NPI #1578981403
Behavior Analyst

A behavior analyst is qualified by at least a master’s degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.


Contact Information

LEAH E CLARK, ED.S, BCBA
1019 JONES ST
SIOUX CITY, IA51105-1751
Phone: 712-746-7447
Fax: 712-525-0036
Website:
Specialty Taxonomy Code
* Behavior Analyst 103K00000X
School 103TS0200X

* Indicates primary specialty

NPI Profile & details for LEAH E CLARK

NPI Number 1578981403
Credentials ED.S, BCBA
Entity Individual
Enumeration date 03/28/2014
Last updated 02/27/2026 - About 3 months ago
Sole proprietor1 Yes
Identifiers
  • IA License #: 105829
  • NE License #: 2018003232
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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