1. Home
  2. Directory
  3. Illinois
  4. Edwardsville
  5. Nurse Practitioner
  6. NPI Profile

KIRSTIE ALI WILLIAMS
NPI 1639708688
Nurse Practitioner - Family in Edwardsville, IL

Active since April 02, 2020PECOS EnrolledAccepts Medicare Assignment
6 HAIRPIN DR, EDWARDSVILLE, IL 62026(618) 650-3956(618) 650-3854 Get Directions Write a Review

NPPES record last updated: May 28, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 27, 2020, Apr 2, 2020 (2 updates tracked since 2020).

About Kirstie Ali Williams NPPES

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

KIRSTIE ALI WILLIAMS (NPI 1639708688) is an individual family provider in Edwardsville, Illinois, licensed in Illinois (209021435) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Memorial Medical Center, and is a graduate of Southern Illinois University School Of Medicine (2020).

NPPES Registry Identity

NPI1639708688
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKIRSTIE ALI WILLIAMS
Location Address6 HAIRPIN DREdwardsville, IL 62026-1000
Mailing Address6 Hairpin DrEdwardsville, IL 62026-1000 · (618) 650-3956 · Fax (618) 650-3854
Phone(618) 650-3956
Fax(618) 650-3854
Sole ProprietorNo
Medical School CMSSouthern Illinois University School Of MedicineGraduated 2020
Enumeration DateApril 2, 2020
Last NPPES UpdateMay 28, 20242 updates tracked since enumeration
NPPES CertifiedMay 28, 2024
✔ NPI 1639708688 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in IL · 209021435
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 390200000X (IL)
6 HAIRPIN DR, Edwardsville, IL 62026
Open in Google Maps ↗

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

Kirstie Ali 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 ID9234558651
PECOS Enrollment IDI20201002001808
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

2

Medicare enrollment records show Kirstie Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Passavant Memorial Area Hospital Association
72 mi
Critical Access
1600 W WALNUT ST
Jacksonville, IL 62650
  • Reassigned Medicare billing, Illinois enrollment
  • Also billed through NPI 1235864810 (Illinois)
  • 39 clinicians in this Medicare group
NPI 1174580831 (217) 245-9541
Midwest Emergency Department Specialists Ltd
76 mi
Emergency Medicine
701 N 1ST ST
Springfield, IL 62781
  • Reassigned Medicare billing, Illinois enrollment
  • 141 clinicians in this Medicare group
NPI 1245263367 (217) 788-3156

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
33 services33 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
19 services19 patients

Hospital Affiliations CMS Care Compare 2

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

Memorial Medical Center

Acute Care Hospitals · Springfield, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140148
Location701 N First StSpringfield, IL 62702 · Sangamon County
Emergency services Birthing friendly

Jacksonville Memorial Hospital

Critical Access Hospitals · Jacksonville, IL
OwnershipVoluntary non-profit - Private
CMS Certification Number141352
Location1600 W Walnut StJacksonville, IL 62650 · Morgan County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62026 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
$88.44 typical visit price
range $56.28 – $173.35
Typical copayment $22.11 (range $14.07 – $43.33)
Most-billed visit code 99203
Established Patient
$99.71 typical visit price
range $17.51 – $139.99
Typical copayment $24.92 (range $4.37 – $34.99)
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 17

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

COLTON PHILLIP BUTLER RN
Nurse Anesthetist, Certified Registered
6 HAIRPIN DR
EDWARDSVILLE, IL 62026
Madison County (618) 650-3956
ROBERT WRIGHT MSN, RN, CMSRN
Registered Nurse
6 HAIRPIN DR
EDWARDSVILLE, IL 62026
Madison County (314) 578-9802
VESSELA MILADINOVA MPH, BSN, RN
Student in an Organized Health Care Education/Training Program
6 HAIRPIN DR
EDWARDSVILLE, IL 62026
Madison County (618) 650-3956
KAITLIN SWEENEY
Student in an Organized Health Care Education/Training Program
6 HAIRPIN DR
EDWARDSVILLE, IL 62026
Madison County (618) 650-3956
MR. ETHAN ASHLIN FIELD RN
Student in an Organized Health Care Education/Training Program
6 HAIRPIN DR
EDWARDSVILLE, IL 62026
Madison County (618) 650-3705
ROBERT J ELSTON
Student in an Organized Health Care Education/Training Program
6 HAIRPIN DR
EDWARDSVILLE, IL 62026
Madison County (618) 650-5688
VANESSA RIGGS RN-BSN
Registered Nurse (College Health)
6 HAIRPIN DR
EDWARDSVILLE, IL 62026
Madison County (309) 242-2877
DAMIEN CHAN RN
Student in an Organized Health Care Education/Training Program
6 HAIRPIN DR
EDWARDSVILLE, IL 62026
Madison County (618) 650-3956

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 Kirstie Williams's NPI number?

The NPI number for Kirstie Williams is 1639708688. It was assigned to this individual provider in the NPPES registry on April 2, 2020.

Where is Kirstie Williams located?

Kirstie Williams practices at 6 Hairpin Dr, Edwardsville, IL 62026. The listed phone number is (618) 650-3956.

What is Kirstie Williams's specialty?

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

Is Kirstie Williams enrolled in Medicare?

Yes. Kirstie 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 Kirstie Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kirstie Williams reassigns Medicare benefits to 2 organizations: Passavant Memorial Area Hospital Association (Jacksonville, IL) and Midwest Emergency Department Specialists Ltd (Springfield, 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 Kirstie Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Kirstie Williams affiliated with any hospitals?

According to CMS data, Kirstie Williams is affiliated with Memorial Medical Center and Jacksonville Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Kirstie Williams was last updated on May 28, 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.