Mary Helen Thomas, M.S.
Behavior Analyst · Pembroke Township, IL
Mary Helen Thomas, M.S. is a behavior analyst with a practice address in Pembroke Township, Illinois, and NPI 1588111959, issued on Sep 2, 2016. Check the license with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Helen Thomas
- Credential
- M.S.
- Primary taxonomy
- Behavior Analyst 103K00000X
- Practice location
- 3871 S Green Acres St, Pembroke Township, IL 60958
- Phone
- (815) 386-6033
- Enumerated
- Sep 2, 2016
- Record last updated
- Sep 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest behavior analyst records → All 3,082 in Illinois → Look up another NPI →
Verify Mary Helen Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary Helen Thomas among 3,082 behavior analyst records in Illinois
Mary Helen Thomas, M.S. is one of 3,082 behavior analyst records with a practice address in Illinois. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2016, is newer than 27% of them.
- NPI issued2016 · 27% of these records are older, 68% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2016 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103K00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
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.
The 8 behavior analyst records with the nearest ZIP codes
- Tiffany Toepper, BCBA, EDSManteno, IL 609501104258508
- Eloise AdamsBradley, IL 609151801192133
- Joyce BollhorstBradley, IL 609151558665851
- Karen BouldinBradley, IL 609151225395528
- Rico HaleBradley, IL 609151386948685
- Ella HoltBradley, IL 609151750818613
- Cynthia Jones-CameronBradley, IL 609151679967376
- Dawn Levy, BCBABradley, IL 609151710213087
Common questions
What is Mary Helen Thomas, M.S.'s NPI number?
Mary Helen Thomas, M.S.'s National Provider Identifier (NPI) is 1588111959, issued on Sep 2, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mary Helen Thomas, M.S. located?
The NPPES record lists a practice address at 3871 S Green Acres St, Pembroke Township, IL, 60958. Phone: (815) 386-6033. Providers update this record themselves, so call before visiting.
How can I verify Mary Helen Thomas, M.S.'s license?
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.
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.