Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Teresa Ann Marksity-Leach, LCSW

Individual provider Clinical Social Worker · NPI 1659905586

Teresa Ann Marksity-Leach, LCSW is a Clinical Social Worker in Peoria, Illinois. Graduated from University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb) in 1992, 34 years ago. Practices with Mental Health Specialty Group PA, a 679-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Illinois and Indiana.

Years since qualifying
34
Trained at
University of Illinois College of Med (CHI/PEOR/ROCK/Chm-Urb)
Licensed in
IL, IN
In the registry since
2020
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

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Practice location Address checks out

7617 N Villa Wood Ln
Peoria, IL 61614-1588
Phone: (309) 693-8200
Fax: (309) 693-8207
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 203 N La Salle St Ste 2100, Chicago, IL 60601-1226 — (773) 232-5337
  • 333 N Alabama St, Indianapolis, IN 46204-2034 — (323) 205-0181
  • 9465 Counselors Row Ste 200, Indianapolis, IN 46240-3817 — (646) 687-9932

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 30410853A (IN)
Clinical Social Worker Taxonomy 1041C0700X · Licence 149.006041 (IL)

Record details

NPI number1659905586
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorYes
NPI enumeratedMarch 1, 2020
Last updated in NPPESSeptember 23, 2025
Certification dateSeptember 23, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolUNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated 1992 (34 years in practice)
Group practice Mental Health Specialty Group Pa — 679 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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