THERESA A WIESE LCSW
NPI 1891750816
Social Worker - Clinical in Washington, IL
About Theresa A Wiese Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THERESA A WIESE LCSW (NPI 1891750816) is an individual clinical provider in Washington, Illinois, licensed in Illinois (149021439) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Theresa A Wiese 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.
Medicare Billing Reassignment
Medicare enrollment records show Theresa Wiese reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Peoria, IL 61615
- Reassigned Medicare billing, Illinois enrollment
- 2,944 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 61571 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Theresa Wiese's NPI number?
The NPI number for Theresa Wiese is 1891750816. It was assigned to this individual provider in the NPPES registry on April 20, 2006.
Where is Theresa Wiese located?
Theresa Wiese practices at 310 Hillcrest Dr, Washington, IL 61571. The listed phone number is (309) 645-1318.
What is Theresa Wiese's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Theresa Wiese enrolled in Medicare?
Yes. Theresa Wiese 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.
Which organization bills Medicare for Theresa Wiese's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Theresa Wiese reassigns Medicare benefits to Osf Multi-Specialty Group (Peoria, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Theresa Wiese's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Theresa Wiese accept?
Health plans from Oscar Health list Theresa Wiese 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 Theresa Wiese was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Theresa A Wiese, LCSW · NPI 1891750816
Clinical provider in Washington, Illinois. Individual provider, active in the CMS NPPES registry since April 20, 2006.
## Identity
- **NPI:** 1891750816 (Entity type: Individual)
- **Enumerated:** April 20, 2006
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 149021439 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 310 HILLCREST DR, Washington, IL 61571-2221
- **Phone:** (309) 645-1318
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Osf Multi-Specialty Group (NPI 1922445527, Peoria, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** April 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1891750816) · Data from the CMS NPPES public registry.