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

DR. BIANCA MONIQUE WILLIAMS MD/MBA
NPI 1194219212
Pediatrics in Chicago, IL

Active since June 21, 2018PECOS Enrolled
6250 S COTTAGE GROVE AVE, CHICAGO, IL 60637(312) 682-6110 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 29, 2026, Sep 4, 2025, Aug 29, 2023 and 3 more (6 updates tracked since 2018).

About Dr. Bianca Monique Williams Md/mba NPPES

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

DR. BIANCA MONIQUE WILLIAMS MD/MBA (NPI 1194219212) is an individual pediatrics provider in Chicago, Illinois, licensed in Illinois (036156363) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1194219212
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. BIANCA MONIQUE WILLIAMSCredential: MD/MBA
Location Address6250 S COTTAGE GROVE AVEChicago, IL 60637-2530
Mailing Address1449 E 65th Pl Unit 3Chicago, IL 60637-4402 · (773) 402-9804
Phone(312) 682-6110
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateJune 21, 2018
Last NPPES UpdateSeptember 29, 20266 updates tracked since enumeration
NPPES CertifiedSeptember 4, 2025
✔ NPI 1194219212 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in IL · 036156363
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
6250 S COTTAGE GROVE AVE, Chicago, IL 60637
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Bianca Monique Williams Md/mba is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8123505831
PECOS Enrollment IDI20260123002758
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 Bianca Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Friend Family Health Center Inc
Same address
Federally Qualified Health Center (FQHC)
6250 S COTTAGE GROVE AVE
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 132 clinicians in this Medicare group
NPI 1578560090 (773) 702-0660

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 60637 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 11

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

DR. JESSICA ARETHA PETERSON M.D.
Obstetrics & Gynecology (Maternal & Fetal Medicine)
6250 S COTTAGE GROVE AVE
CHICAGO, IL 60637
Cook County (773) 702-2193
OLUWASOORE OLUWATONI AKANDE DO
Pediatrics
6250 S COTTAGE GROVE AVE
CHICAGO, IL 60637
Cook County (773) 702-2193
NATALIE SULO-GARTZ APRN, CPNP-PC
Nurse Practitioner (Pediatrics)
6250 S COTTAGE GROVE AVE
CHICAGO, IL 60637
Cook County (312) 682-6110
JESSE GARCIA
Physician Assistant
6250 S COTTAGE GROVE AVE
CHICAGO, IL 60637
Cook County (773) 663-9639
FALLON M FLOWERS APRN, WHNP-BC
Nurse Practitioner (Women's Health)
6250 S COTTAGE GROVE AVE
CHICAGO, IL 60637
Cook County (312) 682-6110
DR. GREGORY A GRUBB D.O.
Family Medicine
6250 S COTTAGE GROVE AVE
CHICAGO, IL 60637
Cook County (312) 268-6110
FRIEND FAMILY HEALTH CENTER INC
Clinic/Center (Federally Qualified Health Center (FQHC))
6250 S COTTAGE GROVE AVE
CHICAGO, IL 60637
Cook County (773) 702-0660
COLLEEN TAPIA DNP, CPNP-PC
Nurse Practitioner (Pediatrics)
6250 S COTTAGE GROVE AVE
CHICAGO, IL 60637
Cook County (312) 682-6110

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 Bianca Williams's NPI number?

The NPI number for Bianca Williams is 1194219212. It was assigned to this individual provider in the NPPES registry on June 21, 2018.

Where is Bianca Williams located?

Bianca Williams practices at 6250 S Cottage Grove Ave, Chicago, IL 60637. The listed phone number is (312) 682-6110.

What is Bianca Williams's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Bianca Williams enrolled in Medicare?

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

Which organization bills Medicare for Bianca Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Bianca Williams reassigns Medicare benefits to Friend Family Health Center Inc (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 Bianca Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Bianca Williams accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Bianca Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Bianca Williams was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.