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MELBA MERCEDES WILLIAMS APN
NPI 1114269073
Nurse Practitioner - Pediatrics in Chicago, IL

Active since March 19, 2013PECOS Enrolled
1740 W TAYLOR ST, CHICAGO, IL 60612(312) 413-2930 Get Directions Write a Review

NPPES record last updated: March 19, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Melba Mercedes Williams Apn NPPES

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

MELBA MERCEDES WILLIAMS APN (NPI 1114269073) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (209.009586) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114269073
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameMELBA MERCEDES WILLIAMSCredential: APN
Location Address1740 W TAYLOR STChicago, IL 60612-7232
Mailing Address1740 W Taylor StChicago, IL 60612-7232 · (312) 413-2930
Phone(312) 413-2930
Sole ProprietorNo
Enumeration DateMarch 19, 2013
✔ NPI 1114269073 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in IL · 209.009586
Also ListedRegistered NurseTaxonomy 163W00000X · License 041.355428 (IL)
1740 W TAYLOR ST, Chicago, IL 60612
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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 (PECOS)

Melba Mercedes Williams 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.

Medicare Billing Reassignment

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

Board Of Trustees Of The University Of Illinois
Same address
Anesthesiology
1740 W TAYLOR ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 2,127 clinicians in this Medicare group
NPI 1013136282 (312) 996-4020

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 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.

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.

MRS. CATHLEEN CONWAY JENSEN OTR/L
Occupational Therapist
1740 W TAYLOR ST, C100
CHICAGO, IL 60612
Cook County (312) 996-3700
KELLY M HOYERT PA-C
Physician Assistant (Surgical)
1740 W TAYLOR ST, 3F OCC
CHICAGO, IL 60612
Cook County (312) 355-4300
DR. YI-LOONG COLIN WOON M.D.
Orthopaedic Surgery (Adult Reconstructive Orthopaedic Surgery)
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
VIDHI SRIVASTAVA MD
Anesthesiology
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
AMY PHAM D.O.
Pediatrics (Neonatal-Perinatal Medicine)
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
WILSON CHING M.D.
Family Medicine
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
ADRIENNE BERMAN MD
Ophthalmology
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (866) 600-2273
JOSEPH S COLLA M.D.
Emergency Medicine
1740 W TAYLOR ST
CHICAGO, IL 60612
Cook County (312) 996-8177

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 Melba Williams's NPI number?

The NPI number for Melba Williams is 1114269073. It was assigned to this individual provider in the NPPES registry on March 19, 2013.

Where is Melba Williams located?

Melba Williams practices at 1740 W Taylor St, Chicago, IL 60612. The listed phone number is (312) 413-2930.

What is Melba Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Melba Williams enrolled in Medicare?

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

Which organization bills Medicare for Melba Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melba Williams reassigns Medicare benefits to Board Of Trustees Of The University Of Illinois (Chicago, 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 Melba Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Melba Williams was last updated on March 19, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.