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TERESA ANN MARKSITY-LEACH LCSW
NPI 1659905586
Social Worker - Clinical in Peoria, IL

Active since March 01, 2020PECOS EnrolledAccepts Medicare Assignment
7617 N VILLA WOOD LN, PEORIA, IL 61614(309) 693-8200(309) 693-8207 Get Directions Write a Review

NPPES record last updated: September 23, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Teresa Ann Marksity-leach Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TERESA ANN MARKSITY-LEACH LCSW (NPI 1659905586) is an individual clinical provider in Peoria, Illinois, licensed in Indiana (30410853A) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1992).

NPPES Registry Identity

NPI1659905586
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameTERESA ANN MARKSITY-LEACHCredential: LCSW
Location Address7617 N VILLA WOOD LNPeoria, IL 61614-1588
Mailing Address126 Turnron PlEast Peoria, IL 61611-3661 · (309) 645-8790
Phone(309) 693-8200
Fax(309) 693-8207
Sole ProprietorYes
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1992
Enumeration DateMarch 1, 2020
Last NPPES UpdateSeptember 23, 2025
NPPES CertifiedSeptember 23, 2025
✔ NPI 1659905586 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in IN · 30410853A✔ Licensed in IL · 149.006041
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
7617 N VILLA WOOD LN, Peoria, IL 61614
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Other Names 1

Other Name (5)Teresa Ann Westerman

Secondary Practice Locations 3

Location 1203 N La Salle St Ste 2100Chicago, IL 60601-1226 · Phone (773) 232-5337
Location 2333 N Alabama StIndianapolis, IN 46204-2034 · Phone (323) 205-0181
Location 39465 Counselors Row Ste 200Indianapolis, IN 46240-3817 · Phone (646) 687-9932

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Teresa Ann Marksity-leach Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4486184181
PECOS Enrollment IDI20250211001471
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61614 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $54.80 – $168.44
Typical copayment $0.00 (range $13.70 – $42.11)
Most-billed visit code NA
Established Patient
$68.64 typical visit price
range $17.16 – $136.56
Typical copayment $17.16 (range $4.29 – $34.14)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. DEBRA FAY DISNEY LCPC
Counselor (Professional)
7617 N VILLA WOOD LN
PEORIA, IL 61614
Peoria County (309) 693-8200
MRS. DEVIN PATRICIA HENDERSON LCSW
Social Worker
7617 N VILLA WOOD LN
PEORIA, IL 61614
Peoria County (309) 693-8200
MR. RYAN GERALD POTEMPA MS, LMFT
Marriage & Family Therapist
7617 N VILLA WOOD LN
PEORIA, IL 61614
Peoria County (309) 693-8200
TERRI FRAN SHAFER LCPC
Counselor (Professional)
7617 N VILLA WOOD LN
PEORIA, IL 61614
Peoria County (309) 693-8200
MRS. HEIDI M TURCOTT LCSW
Counselor
7617 N VILLA WOOD LN, JOY MILLER & ASSOC
PEORIA, IL 61614
Peoria County (309) 693-8200
MRS. KAREN GRIFFITH GREENE LCPC
Counselor (Professional)
7617 N VILLA WOOD LN
PEORIA, IL 61614
Peoria County (309) 693-8200
MS. JUDY ANNE CARLSON LCPC
Counselor (Professional)
7617 N VILLA WOOD LN
PEORIA, IL 61614
Peoria County (309) 693-8200
MICHELE JOEY HOLMAN LCSW
Social Worker (Clinical)
7617 N VILLA WOOD LN
PEORIA, IL 61614
Peoria County (309) 693-8200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Teresa Marksity-leach's NPI number?

The NPI number for Teresa Marksity-leach is 1659905586. It was assigned to this individual provider in the NPPES registry on March 1, 2020. The provider is also known as Teresa Ann Westerman.

Where is Teresa Marksity-leach located?

Teresa Marksity-leach practices at 7617 N Villa Wood Ln, Peoria, IL 61614. The listed phone number is (309) 693-8200.

What is Teresa Marksity-leach's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Teresa Marksity-leach enrolled in Medicare?

Yes. Teresa Marksity-leach is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Teresa Marksity-leach accept?

Health plans from UnitedHealthcare list Teresa Marksity-leach as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Teresa Marksity-leach was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.