LAUREN ELYCE WILLIAMS MD
NPI 1912436551
Surgery in Chicago, IL
About Lauren Elyce Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAUREN ELYCE WILLIAMS MD (NPI 1912436551) is an individual surgery provider in Chicago, Illinois, licensed in Illinois (125070694) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Fairfield Memorial Hospital 1, and is a graduate of Rush Medical College Of Rush University (2017).
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 and accepts Medicare assignment
Lauren Elyce Williams Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Lauren Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fairfield, IL 62837
- Reassigned Medicare billing, Illinois enrollment
- 14 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.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Fairfield Memorial Hospital 1
Critical Access Hospitals · Fairfield, ILPhysician 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.
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.
CHICAGO, IL 60612
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 Lauren Williams's NPI number?
The NPI number for Lauren Williams is 1912436551. It was assigned to this individual provider in the NPPES registry on June 7, 2017.
Where is Lauren Williams located?
Lauren Williams practices at 1650 W Harrison St, Chicago, IL 60612. The listed phone number is (312) 942-5495.
What is Lauren Williams's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Lauren Williams enrolled in Medicare?
Yes. Lauren Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Lauren Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Williams reassigns Medicare benefits to Fairfield Memorial Hospital Association (Fairfield, 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 Lauren Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lauren Williams accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Lauren 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.
Is Lauren Williams affiliated with any hospitals?
According to CMS data, Lauren Williams is affiliated with Fairfield Memorial Hospital 1.
When was this NPI record last updated?
The NPPES record for Lauren Williams was last updated on June 7, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.