DR. MARTINA WILLIAMS MD
NPI 1164109690
Pediatrics in Park Ridge, IL

Active since June 27, 2023PECOS Enrolled
1675 DEMPSTER ST, PARK RIDGE, IL 60068(847) 318-9300 Get Directions Write a Review

NPPES record last updated: June 1, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 1, 2026, Apr 14, 2026 (2 updates tracked since 2026).

About Dr. Martina Williams Md NPPES

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

DR. MARTINA WILLIAMS MD (NPI 1164109690) is an individual pediatrics provider in Park Ridge, Illinois, licensed in Illinois (036.177728) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1164109690
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. MARTINA WILLIAMSCredential: MD
Location Address1675 DEMPSTER STPark Ridge, IL 60068-1110
Mailing Address29373 Network PlChicago, IL 60673-1293 · (847) 390-5900 · Fax (847) 390-4757
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJune 27, 2023
Last NPPES UpdateJune 1, 20262 updates tracked since enumeration
NPPES CertifiedJune 1, 2026
✔ NPI 1164109690 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in IL · 036.177728
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.
1675 DEMPSTER ST, Park Ridge, IL 60068

Accepted 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. Martina Williams Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7214403849
PECOS Enrollment IDI20260420003385
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 Martina Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cardiovascular Disease
1775 DEMPSTER ST
Park Ridge, IL 60068
  • Reassigned Medicare billing, Illinois enrollment
  • Medicare enrollment name: Advocate Health And Hospitals Corporation
  • 4,870 clinicians in this Medicare group

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 60068 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.

Pediatrics
1675 DEMPSTER ST
PARK RIDGE, IL 60068
Pediatrics
1675 DEMPSTER ST
PARK RIDGE, IL 60068
Pediatrics (Pediatric Nephrology)
1675 DEMPSTER ST, SECOND FLOOR
PARK RIDGE, IL 60068
Pediatrics
1675 DEMPSTER ST, YACKTMAN PAVILION
PARK RIDGE, IL 60068
Pediatrics
1675 DEMPSTER ST
PARK RIDGE, IL 60068
Pediatrics (Pediatric Hematology-Oncology)
1675 DEMPSTER ST, 2ND FLOOR
PARK RIDGE, IL 60068
Pediatrics
1675 DEMPSTER ST
PARK RIDGE, IL 60068
Pediatrics
1675 DEMPSTER ST
PARK RIDGE, IL 60068

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 Martina Williams's NPI number?

The NPI number for Martina Williams is 1164109690. It was assigned to this individual provider in the NPPES registry on June 27, 2023.

Where is Martina Williams located?

Martina Williams practices at 1675 Dempster St, Park Ridge, IL 60068. The listed phone number is (847) 318-9300.

What is Martina Williams's specialty?

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

Is Martina Williams enrolled in Medicare?

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

Which organization bills Medicare for Martina Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Martina Williams reassigns Medicare benefits to Lutheran General Hospital (Park Ridge, 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 Martina Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Martina Williams accept?

Health plans from Oscar Health list Martina 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 Martina Williams was last updated on June 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.