DR. MARTINA WILLIAMS MD
NPI 1164109690
Pediatrics in Park Ridge, IL
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
Specialties & Licenses
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).
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.
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.
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.
PARK RIDGE, IL 60068
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.