NPPES file of Aug 9, 2026

Jill Marie Grass, RBT

Behavior Analyst · Antioch, IL

Jill Marie Grass, RBT is a behavior analyst with a practice address in Antioch, Illinois, and NPI 1457844136, issued on Jun 7, 2018. Check the license (Illinois 1-20-45810, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1457844136
Name
Jill Marie Grass
Credential
RBT
Primary taxonomy
Behavior Analyst 103K00000X
License numbers
1-20-45810 IL
RBT-17-40971 IL
Self-reported in NPPES; status is on the state search
Practice location
39441 N Circle Ave, Antioch, IL 60002
Phone
(847) 271-0001
Enumerated
Jun 7, 2018
Record last updated
Nov 19, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Jill Marie Grass in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 1-20-45810    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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Behavior Analyst providers in Illinois

There are 3,082 behavior analyst records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,082 in Illinois → Every provider in Antioch →

Other behavior analyst records in Illinois

  1. Genesis Luke AbadChicago, IL1588425060
  2. Yasmin Abdel-JaberBurr Ridge, IL1972163624
  3. Ahmad Abdul-RahimChicago, IL1114814902
  4. Teresa Abels, MHPJoliet, IL1003280553
  5. Allison AbendrothElmhurst, IL1447866363
  6. Carlotta Abogado, BCBAOrland Park, IL1740017243
  7. Maram Abomaray, BCBANaperville, IL1447903158
  8. Indira AbrahamChicago, IL1255286472
  9. Alecia AbramChicago, IL1336655836
  10. Chelsea Aburroman, MS, BCBANaperville, IL1235744228

Common questions

What is Jill Marie Grass, RBT's NPI number?

Jill Marie Grass, RBT's National Provider Identifier (NPI) is 1457844136, issued on Jun 7, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Jill Marie Grass, RBT located?

The NPPES record lists a practice address at 39441 N Circle Ave, Antioch, IL, 60002. Phone: (847) 271-0001. Providers update this record themselves, so call before visiting.

How can I verify Jill Marie Grass, RBT's license?

NPPES lists Illinois license number 1-20-45810, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.