TIMOTHY R WILLIAMS DO
NPI 1194723247
Emergency Medicine in Lawrenceville, IL
About Timothy R Williams Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIMOTHY R WILLIAMS DO (NPI 1194723247) is an individual emergency medicine provider in Lawrenceville, Illinois, licensed in Indiana (02001015A) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Timothy R Williams Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Timothy Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Princeton, IN 47670
- Reassigned Medicare billing, Indiana enrollment
- 38 clinicians in this Medicare group
Princeton, IN 47670
- Reassigned Medicare billing, Indiana enrollment
- 54 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62439 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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAWRENCEVILLE, IL 62439
LAWRENCEVILLE, IL 62439
LAWRENCEVILLE, IL 62439
LAWRENCEVILLE, IL 62439
LAWRENCEVILLE, IL 62439
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 Timothy Williams's NPI number?
The NPI number for Timothy Williams is 1194723247. It was assigned to this individual provider in the NPPES registry on July 12, 2005.
Where is Timothy Williams located?
Timothy Williams practices at 2200 State St, Lawrenceville, IL 62439. The listed phone number is (618) 943-7242.
What is Timothy Williams's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Timothy Williams enrolled in Medicare?
Yes. Timothy Williams is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Timothy Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Williams reassigns Medicare benefits to 2 organizations: Great Lakes Emergency Physicians, PLLC (Princeton, IN) and Mid West Hospital Physicians, PLLC (Princeton, IN). Each 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 Timothy 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 Timothy Williams was last updated on March 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.