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KRISTINA APRIL WILLIAMS LCSW
NPI 1801659693
Social Worker - Clinical in Joliet, IL

Active since February 05, 2024PECOS Enrolled
1000 ESSINGTON RD STE 113&128, JOLIET, IL 60435(815) 216-4333 Get Directions Write a Review

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

Record update history: Apr 18, 2024, Feb 5, 2024 (2 updates tracked since 2024).

About Kristina April Williams Lcsw NPPES

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

KRISTINA APRIL WILLIAMS LCSW (NPI 1801659693) is an individual clinical provider in Joliet, Illinois, licensed in Illinois (149.026515) and active in the NPI registry since February 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1801659693
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKRISTINA APRIL WILLIAMSCredential: LCSW
Location Address1000 ESSINGTON RD STE 113&128Joliet, IL 60435-2841
Mailing Address1000 Essington Rd Ste 113&128Joliet, IL 60435-2841 · (815) 216-4333
Phone(815) 216-4333
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateFebruary 5, 2024
Last NPPES UpdateApril 18, 20242 updates tracked since enumeration
NPPES CertifiedApril 18, 2024
✔ NPI 1801659693 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 in IL · 149.026515
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.
1000 ESSINGTON RD STE 113&128, Joliet, IL 60435
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kristina April Williams Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9931649886
PECOS Enrollment IDI20250728000309
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 Reassignment

Medicare enrollment records show Kristina Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Owl Street Therapy PC
3.8 mi
Clinical
2213 OWL DR
Plainfield, IL 60586
  • Reassigned Medicare billing, Illinois enrollment
NPI 1164289310 (630) 300-4874

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60435 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 $59.81 – $181.38
Typical copayment $0.00 (range $14.95 – $45.34)
Most-billed visit code NA
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
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 Kristina Williams's NPI number?

The NPI number for Kristina Williams is 1801659693. It was assigned to this individual provider in the NPPES registry on February 5, 2024.

Where is Kristina Williams located?

Kristina Williams practices at 1000 Essington Rd Ste 113&128, Joliet, IL 60435. The listed phone number is (815) 216-4333.

What is Kristina Williams's specialty?

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

Is Kristina Williams enrolled in Medicare?

Yes. Kristina Williams is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kristina Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristina Williams reassigns Medicare benefits to Owl Street Therapy PC (Plainfield, 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 Kristina Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kristina Williams accept?

Health plans from Oscar Health list Kristina Williams 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 Kristina Williams was last updated on April 18, 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.