NPPES file of Aug 9, 2026

Teresa Ann Marksity-Leach, LCSW

Clinical Social Worker · Peoria, IL

Teresa Ann Marksity-Leach, LCSW is a clinical social worker with a practice address in Peoria, Illinois, and NPI 1659905586, issued on Mar 1, 2020. Check the license (Illinois 149.006041, 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
1659905586
Name
Teresa Ann Marksity-Leach
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
149.006041 IL
30410853A IN
Self-reported in NPPES; status is on the state search
Practice location
7617 N Villa Wood LN, Peoria, IL 61614
Phone
(309) 693-8200
Enumerated
Mar 1, 2020
Record last updated
Sep 23, 2025
Fax
(309) 693-8207
Medicare enrollment
Enrolled (PECOS I20250211001471); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1992
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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8 nearest clinical social worker records → All 13,637 in Illinois → Look up another NPI →

Also registered at 7617 N Villa Wood LN

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

  1. William Blundell, LCPCProfessional Counselor1346545712
  2. Judy Carlson, LCPCProfessional Counselor1184850968
  3. Debra Disney, LCPCProfessional Counselor1003131541
  4. Sherry Dockins, LCPCProfessional Counselor1285774133
  5. Shellie Frost, LCPCProfessional Counselor1699048694
  6. Karen Greene, LCPCProfessional Counselor1134419179

Verify Teresa Ann Marksity-Leach 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 149.006041    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 one group practice

  1. Mental Health Specialty Group PAIndianapolis, IN

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

Teresa Ann Marksity-Leach among 13,637 clinical social worker records in Illinois

Teresa Ann Marksity-Leach, LCSW is one of 13,637 clinical social worker records with a practice address in Illinois. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 64% of them.

  • NPI issued2020 · 64% of these records are older, 31% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated1992 · median 2010 among the 2,895 with a school on file
  • Record last updated2025 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

150 clinical social worker records list a practice address in Peoria

They are 150 of the 4,621 NPPES records with a practice address in Peoria, and 13,637 clinical social worker records in Illinois.

All 13,637 in Illinois → Every provider in Peoria → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Diane Bittle, MSW.,LCSWPeoria, IL 616141710957550
  2. Nicole Burk, LCSWPeoria, IL 616141184827644
  3. Joseph Croegaert, MSW, LCSWPeoria, IL 616141770663908
  4. Denise Goforth, LCSWPeoria, IL 616141326051863
  5. Michele Holman, LCSWPeoria, IL 616141245466200
  6. Kimberly Keenan, LCSWPeoria, IL 616141093816522
  7. Kristin Kirk, LCSWPeoria, IL 616141881913705
  8. Jill Larson, M.S.W.Peoria, IL 616141669503587

Common questions

What is Teresa Ann Marksity-Leach, LCSW's NPI number?

Teresa Ann Marksity-Leach, LCSW's National Provider Identifier (NPI) is 1659905586, issued on Mar 1, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Teresa Ann Marksity-Leach, LCSW located?

The NPPES record lists a practice address at 7617 N Villa Wood LN, Peoria, IL, 61614. Phone: (309) 693-8200. Providers update this record themselves, so call before visiting.

How can I verify Teresa Ann Marksity-Leach, LCSW's license?

NPPES lists Illinois license number 149.006041, 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.

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.