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LESHAUN WILLIAMS
NPI 1043679681
Nurse Practitioner - Family in Chicago, IL

Active since February 10, 2016PECOS EnrolledAccepts Medicare Assignment
11000 S HALSTED ST, CHICAGO, IL 60628(773) 264-2236(773) 264-2237 Get Directions Write a Review

NPPES record last updated: February 10, 2016. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Leshaun Williams NPPES

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

LESHAUN WILLIAMS (NPI 1043679681) is an individual family provider in Chicago, Illinois, licensed in Illinois (209013662) and active in the NPI registry since February 2016. She is enrolled in Medicare PECOS, is affiliated with St Bernard Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1043679681
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameLESHAUN WILLIAMS
Location Address11000 S HALSTED STChicago, IL 60628-3909
Mailing Address11000 S Halsted StChicago, IL 60628-3909 · (773) 264-2236 · Fax (773) 264-2237
Phone(773) 264-2236
Fax(773) 264-2237
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateFebruary 10, 2016
✔ NPI 1043679681 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in IL · 209013662
11000 S HALSTED ST, Chicago, IL 60628
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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

Leshaun Williams 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 ID941580823
PECOS Enrollment IDI20161212000651
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 Leshaun Williams reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Oak Street Health Physicians Group, PC
3.6 mi
Primary Care
1715 E 95TH ST
Chicago, IL 60617
  • Reassigned Medicare billing, Illinois enrollment
  • 343 clinicians in this Medicare group
NPI 1083051643 (773) 768-4437
Advocate Health & Hospitals Corporation
5.0 mi
Medical Specialty
4440 W 95TH ST
Oak Lawn, IL 60453
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Advocate Health And Hospitals Corporation
  • 4,870 clinicians in this Medicare group
NPI 1912936014 (847) 390-5900
St Bernard Hospital
5.9 mi
Anesthesiology
326 W 64TH ST, ST. BERNARD HOSPITAL - ANESTHESIA DEPARTMENT
Chicago, IL 60621
  • Reassigned Medicare billing, Illinois enrollment
  • 77 clinicians in this Medicare group
NPI 1629147210 (773) 962-4100
New Southtown Medical Group S C
17 mi
Family Medicine
8205 CASS AVE STE 110B
Darien, IL 60561
  • Reassigned Medicare billing, Illinois enrollment
  • 19 clinicians in this Medicare group
NPI 1134508997 (773) 840-4747

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Bernard Hospital

Acute Care Hospitals · Chicago, IL
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140103
Location326 W 64th StChicago, IL 60621 · Cook County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60628 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
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
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 5

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

CHIEN I KO MD
Family Medicine
11000 S HALSTED ST
CHICAGO, IL 60628
Cook County (773) 264-2236
DR. SHENG F WU M.D.
Family Medicine
11000 S HALSTED ST
CHICAGO, IL 60628
Cook County (773) 264-2236
SHERREE MCCOOL
Nurse Practitioner (Family)
11000 S HALSTED ST
CHICAGO, IL 60628
Cook County (773) 840-4747
OLUSOJI ANTHONY PETER M.D.
Internal Medicine
11000 S HALSTED ST
CHICAGO, IL 60628
Cook County (219) 750-9389
ISMAIL ADEBAYO OYEBODE APN
Nurse Practitioner (Family)
11000 S HALSTED ST
CHICAGO, IL 60628
Cook County (773) 517-3183

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 Leshaun Williams's NPI number?

The NPI number for Leshaun Williams is 1043679681. It was assigned to this individual provider in the NPPES registry on February 10, 2016.

Where is Leshaun Williams located?

Leshaun Williams practices at 11000 S Halsted St, Chicago, IL 60628. The listed phone number is (773) 264-2236.

What is Leshaun Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Leshaun Williams enrolled in Medicare?

Yes. Leshaun Williams 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 Leshaun Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Leshaun Williams reassigns Medicare benefits to 4 organizations: Oak Street Health Physicians Group, PC (Chicago, IL), Advocate Health & Hospitals Corporation (Oak Lawn, IL), St Bernard Hospital (Chicago, IL) and New Southtown Medical Group S C (Darien, IL). 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 Leshaun Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Leshaun Williams affiliated with any hospitals?

According to CMS data, Leshaun Williams is affiliated with St Bernard Hospital.

When was this NPI record last updated?

The NPPES record for Leshaun Williams was last updated on February 10, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.