SHERI ANNA WILLIAMSON MSW
NPI 1801396551
Social Worker - Clinical in Champaign, IL

Active since February 20, 2018PECOS EnrolledAccepts Medicare Assignment
3838 BALMORAL DR, CHAMPAIGN, IL 61822(217) 721-4287 Get Directions Write a Review

NPPES record last updated: January 19, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Sheri Anna Williamson Msw NPPES

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

SHERI ANNA WILLIAMSON MSW (NPI 1801396551) is an individual clinical provider in Champaign, Illinois, licensed in (149.026350) and active in the NPI registry since February 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2016).

NPPES Registry Identity

NPI1801396551
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameSHERI ANNA WILLIAMSONCredential: MSW
Location Address3838 BALMORAL DRChampaign, IL 61822-8117
Mailing Address3838 Balmoral DrChampaign, IL 61822-8117 · (217) 721-4287
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateFebruary 20, 2018
Last NPPES UpdateJanuary 19, 2024
NPPES CertifiedJanuary 19, 2024
✔ NPI 1801396551 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed · 149.026350
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.
3838 BALMORAL DR, Champaign, IL 61822

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

Sheri Anna Williamson Msw 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 ID1052757796
PECOS Enrollment IDI20240315002469
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.

Medicare Billing Reassignments

4

Medicare enrollment records show Sheri Williamson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mental Health (Including Community Mental Health Center)
16335 HARLEM AVE STE 300
Tinley Park, IL 60477
  • Reassigned Medicare billing, Illinois enrollment
  • 14 clinicians in this Medicare group
Mental Health
2200 S MAIN ST STE 217E
Lombard, IL 60148
  • Reassigned Medicare billing, Illinois enrollment
  • 8 clinicians in this Medicare group
Clinical
7900 E UNION AVE STE 1100
Denver, CO 80237
  • Reassigned Medicare billing, Illinois enrollment
  • 15 clinicians in this Medicare group
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Illinois enrollment
  • 581 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.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
499 services23 patients
Psychiatric services complicated by communication factor 90785
Psychiatric services complicated by communication factors involve mental health care for individuals who have challenges with communication. This can include language barriers, speech disorders, or cognitive impairments. The process involves tailored strategies to ensure effective communication and appropriate mental health care.
268 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61822 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.

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 Sheri Williamson's NPI number?

The NPI number for Sheri Williamson is 1801396551. It was assigned to this individual provider in the NPPES registry on February 20, 2018.

Where is Sheri Williamson located?

Sheri Williamson practices at 3838 Balmoral Dr, Champaign, IL 61822. The listed phone number is (217) 721-4287.

What is Sheri Williamson's specialty?

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

Is Sheri Williamson enrolled in Medicare?

Yes. Sheri Williamson 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 organizations bill Medicare for Sheri Williamson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sheri Williamson reassigns Medicare benefits to 4 organizations: Serene Health (Tinley Park, IL), Integrative Family Counseling LLC (Lombard, IL), Truecare24 Physicians Group, S.C. (Denver, CO) and Grow Healthcare Group PA (Miami, FL). Each 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 Sheri Williamson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sheri Williamson accept?

Health plans from Oscar Health and UnitedHealthcare list Sheri Williamson 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 Sheri Williamson was last updated on January 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.