Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHLOE GENEVA WILLIAMS
NPI 1881334589
Emergency Medicine in Rockford, IL

Q: What is Chloe Williams's NPI number?

The NPI number for Chloe Williams is 1881334589. It was assigned to this individual provider in the NPPES registry on March 30, 2022.

Q: What is Chloe Williams's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Chloe Williams was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.

Active since March 30, 2022PECOS Enrolled

8201 E RIVERSIDE BLVD, ROCKFORD, IL 61114(815) 971-7000 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 18, 2026, Jun 15, 2023, Mar 27, 2023 (3 updates tracked since 2023).

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About Chloe Geneva Williams NPPES

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

CHLOE GENEVA WILLIAMS (NPI 1881334589) is an individual emergency medicine provider in Rockford, Illinois, licensed in Illinois (036180576) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1881334589

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameCHLOE GENEVA WILLIAMS

Location Address8201 E RIVERSIDE BLVDRockford, IL 61114-2300

Mailing Address8201 E Riverside BlvdRockford, IL 61114-2300 · (815) 971-7000

Phone(815) 971-7000

Sole ProprietorNo

Enumeration DateMarch 30, 2022

Last NPPES UpdateAugust 18, 20263 updates tracked since enumeration

NPPES CertifiedAugust 18, 2026

✔ NPI 1881334589 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

Licenses✔ Licensed in IL · 036180576✔ Licensed in IL · 125.081280

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

8201 E RIVERSIDE BLVD, Rockford, IL 61114

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Secondary Practice Locations 3

Location 15000 Prairie Rose DrRoscoe, IL 61073-7792 · Phone (815) 971-2000

Location 21504 S Galena AveDixon, IL 61021-4093 · Phone (815) 971-3170

Location 34440 W 95th StOak Lawn, IL 60453-2600 · Phone (708) 684-5375

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chloe Geneva Williams is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61114 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

$85.71 typical visit price

range $54.80 – $168.44

Typical copayment $21.42 (range $13.70 – $42.11)

Most-billed visit code 99203

Established Patient

$97.25 typical visit price

range $17.16 – $136.56

Typical copayment $24.31 (range $4.29 – $34.14)

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 20

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

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