NPPES file of Aug 9, 2026

Clarissa Ann Thomas, SLP

Speech-Language Pathologist · Rock Island, IL

Clarissa Ann Thomas, SLP is a speech-language pathologist with a practice address in Rock Island, Illinois, and NPI 1215652417, issued on Oct 10, 2022. Check the license (Illinois 146.016401, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1215652417
Name
Clarissa Ann Thomas
Credential
SLP
Primary taxonomy
Speech-Language Pathologist 235Z00000X
License numbers
146.016401 IL
100896 IA
Self-reported in NPPES; status is on the state search
Practice location
4450 48TH Avenue CT, Rock Island, IL 61201
Phone
(309) 558-0145
Enumerated
Oct 10, 2022
Record last updated
Oct 10, 2022
Medicare enrollment
Enrolled (PECOS I20240315001672); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4450 48TH Avenue CT

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Abigail Majeske, M.S., CCC-SLPSpeech-Language Pathologist1437765500
  2. James Matson, PT, DPTPediatric Rehabilitation Medicine Physician1194363747
  3. Kerry McCracken, BS,OTR/LOccupational Therapist1487192415
  4. Stephanie Phares, MOT,OTR/LOccupational Therapist1891211348
  5. Joanna PodosekOccupational Therapist1841963626
  6. Haley Sigel, OTR/LOccupational Therapist1891546263

Verify Clarissa Ann Thomas 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 146.016401
    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
Find the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through 2 group practices

  1. Empowerme Asl LLCFort Madison, IA
  2. Empowerme Rehabilitation Illinois LLCEdwardsville, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Clarissa Ann Thomas among 10,224 speech-language pathologist records in Illinois

Clarissa Ann Thomas, SLP is one of 10,224 speech-language pathologist records with a practice address in Illinois. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 79% of them.

  • NPI issued2022 · 79% of these records are older, 17% newer
  • In a Medicare fileYes · 3% of these records are
  • In the CMS Doctors and Clinicians fileYes · 4% of these records are
  • Graduated2020 · median 2015 among the 406 with a school on file
  • Record last updated2022 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 235Z00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 speech-language pathologist records list a practice address in Rock Island

They are 21 of the 782 NPPES records with a practice address in Rock Island, and 10,224 speech-language pathologist records in Illinois.

The 8 speech-language pathologist records with the nearest ZIP codes

  1. Martha Bowles, MARock Island, IL 612011235464793
  2. Johanna EderRock Island, IL 612011821486333
  3. Mary Ellis, MA-CCC/SLPRock Island, IL 612011821297300
  4. Danielle Hansen, MSRock Island, IL 612011649505405
  5. Stacie Hatfield, ED.D., CCC-SLPRock Island, IL 612011144496035
  6. Jessica Hoyer, CFY-SLPRock Island, IL 612011225305949
  7. Kathryn Kennedy, SLPRock Island, IL 612011356668420
  8. Kristin Koenig, MSRock Island, IL 612011427383777

Common questions

What is Clarissa Ann Thomas, SLP's NPI number?

Clarissa Ann Thomas, SLP's National Provider Identifier (NPI) is 1215652417, issued on Oct 10, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Clarissa Ann Thomas, SLP located?

The NPPES record lists a practice address at 4450 48TH Avenue CT, Rock Island, IL, 61201. Phone: (309) 558-0145. Providers update this record themselves, so call before visiting.

How can I verify Clarissa Ann Thomas, SLP's license?

NPPES lists Illinois license number 146.016401, 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. Medicare files from data.cms.gov. 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.