EILEEN WILLIAMS MD
NPI 1033840913
Emergency Medicine in Dallas, TX
About Eileen Williams Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EILEEN WILLIAMS MD (NPI 1033840913) is an individual emergency medicine provider in Dallas, Texas, licensed in Texas (V4202) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS, is affiliated with Ut Southwestern University Hospital - William P. Clements Jr., and is a graduate of Baylor College Of Medicine (2023).
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
Eileen 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 Reassignments
5Medicare enrollment records show Eileen Williams reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dallas, TX 75235
- Reassigned Medicare billing, Texas enrollment
- 5,299 clinicians in this Medicare group
Dallas, TX 75204
- Reassigned Medicare billing, Texas enrollment
- 52 clinicians in this Medicare group
Dallas, TX 75209
- Reassigned Medicare billing, Texas enrollment
- 66 clinicians in this Medicare group
Dallas, TX 75230
- Reassigned Medicare billing, Texas enrollment
- 55 clinicians in this Medicare group
Fort Worth, TX 76107
- Reassigned Medicare billing, Texas enrollment
- 42 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ut Southwestern University Hospital - William P. Clements Jr.
Acute Care Hospitals · Dallas, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 75235 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.
DALLAS, TX 75235
DALLAS, TX 75235
DALLAS, TX 75235
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 Eileen Williams's NPI number?
The NPI number for Eileen Williams is 1033840913. It was assigned to this individual provider in the NPPES registry on June 21, 2022.
Where is Eileen Williams located?
Eileen Williams practices at 6201 Harry Hines Blvd, Dallas, TX 75235. The listed phone number is (214) 633-4700.
What is Eileen Williams's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Eileen Williams enrolled in Medicare?
Yes. Eileen 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 organizations bill Medicare for Eileen Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eileen Williams reassigns Medicare benefits to 5 organizations: University Of Texas Southwestern Medical Center At Dallas (Dallas, TX), City Doc Uptown Urgent Care Center, PLLC (Dallas, TX), Citydoc Urgent Care Center 2, PLLC (Dallas, TX), Citydoc Urgent Care Center 3, PLLC (Dallas, TX) and Cd Urgent Care Center 5, PLLC (Fort Worth, TX). 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 Eileen Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Eileen Williams accept?
Health plans from Blue Cross and Blue Shield of Texas list Eileen 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 Eileen Williams affiliated with any hospitals?
According to CMS data, Eileen Williams is affiliated with Ut Southwestern University Hospital - William P. Clements Jr..
When was this NPI record last updated?
The NPPES record for Eileen Williams was last updated on July 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.
# Eileen Williams, MD · NPI 1033840913
Emergency Medicine physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since June 21, 2022.
## Identity
- **NPI:** 1033840913 (Entity type: Individual)
- **Enumerated:** June 21, 2022
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** V4202 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 6201 HARRY HINES BLVD, Dallas, TX 75235-5202
- **Phone:** (214) 633-4700
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): University Of Texas Southwestern Medical Center At Dallas (NPI 1043418205, Dallas, TX); City Doc Uptown Urgent Care Center, PLLC (NPI 1679686349, Dallas, TX); Citydoc Urgent Care Center 2, PLLC (NPI 1003044942, Dallas, TX); Citydoc Urgent Care Center 3, PLLC (NPI 1619237401, Dallas, TX); Cd Urgent Care Center 5, PLLC (NPI 1407224850, Fort Worth, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Baylor College Of Medicine, class of 2023
## Record status
- **NPPES last updated:** July 1, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1033840913) · Data from the CMS NPPES public registry.