Jill Grass, RBT
NPI 1457844136 · Behavior Analyst · Antioch, IL
Jill Grass, RBT is a Behavior Analyst provider in Antioch, IL (NPI 1457844136).
Provider details
- NPI number
- 1457844136
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Credential
- RBT
- Sex
- Female
- Sole proprietor
- Yes
- License
- RBT-17-40971 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
Mailing address
Registry dates
- Enumerated
- 2018-06-07
- Last updated
- 2020-11-19
- Certified
- 2020-11-19
Frequently asked questions
- What is Jill Grass's NPI number?
- Jill Grass's National Provider Identifier (NPI) is 1457844136, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jill Grass's specialty?
- Jill Grass is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Jill Grass located?
- Jill Grass's practice location on file with NPPES is 39441 N Circle Ave, Antioch, IL 60002-8782.
- What is Jill Grass's phone number?
- The practice phone number listed in the NPPES registry for Jill Grass is (847) 271-0001.
- Is Jill Grass's NPI active?
- Yes — Jill Grass's NPI (1457844136) is active in the NPPES registry as of the last update on 2020-11-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.