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WILLA L WILLIAMSON APN
NPI 1083623573
Nurse Practitioner - Adult Health in Chicago, IL

Active since August 05, 2006PECOS Enrolled
84.57/100
CMS Quality Rating
1901 S. HARRISON ST., CHICAGO, IL 60612(312) 864-5218(312) 864-9638 Get Directions Write a Review

NPPES record last updated: May 4, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 4, 2021, Sep 28, 2020 (2 updates tracked since 2020).

About Willa L Williamson Apn NPPES

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

WILLA L WILLIAMSON APN (NPI 1083623573) is an individual adult health provider in Chicago, Illinois, licensed in Illinois (209-002276) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083623573
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameWILLA L WILLIAMSONCredential: APN
Location Address1901 S. HARRISON ST.Chicago, IL 60612-3714
Mailing Address9218 S Longwood DrChicago, IL 60620-5543 · (312) 864-5218
Phone(312) 864-5218
Fax(312) 864-9638
Sole ProprietorNo
Enumeration DateAugust 5, 2006
Last NPPES UpdateMay 4, 20212 updates tracked since enumeration
NPPES CertifiedMay 4, 2021
✔ NPI 1083623573 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in IL · 209-002276
Also ListedRegistered Nurse · UrologyTaxonomy 163WU0100X · License 209-002276 (IL)
1901 S. HARRISON ST., Chicago, IL 60612
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Willa L Williamson Apn 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 60612 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

84.57/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality60.25
Promoting Interoperability100
Improvement Activities40
Cost67

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 Willa Williamson's NPI number?

The NPI number for Willa Williamson is 1083623573. It was assigned to this individual provider in the NPPES registry on August 5, 2006.

Where is Willa Williamson located?

Willa Williamson practices at 1901 S. Harrison St., Chicago, IL 60612. The listed phone number is (312) 864-5218.

What is Willa Williamson's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Willa Williamson enrolled in Medicare?

Yes. Willa Williamson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Willa Williamson was last updated on May 4, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.