DALLAS COUNTY HOSPITAL DISTRICT
NPI 1235538141
Internal Medicine in Dallas, TX
About Dallas County Hospital District NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DALLAS COUNTY HOSPITAL DISTRICT (NPI 1235538141), doing business as Wynnewood Acute Response Clinic, is a healthcare organization registered as an internal medicine in Dallas, Texas and active in the NPI registry since August 2014. The organization lists Frederick P. Cerise, President/chief Executive Officer, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 5
Other Names 2
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dallas County Hospital District is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
796Medicare enrollment records show 796 clinicians reassign Medicare billing to Dallas County Hospital District, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 460 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 24
Nearest to this location (20)
See all 796Dallas, TX 75216
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Dallas County Hospital District's NPI number?
The NPI number for Dallas County Hospital District is 1235538141. It was assigned to this organization in the NPPES registry on August 15, 2014. The provider is doing business as Wynnewood Acute Response Clinic. The provider is also known as Oak West Acute Response Clinic.
Where is Dallas County Hospital District located?
Dallas County Hospital District is located at 4201 Brook Spring Dr Bldg I, Dallas, TX 75224. The listed phone number is (214) 266-1450.
What is Dallas County Hospital District's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Dallas County Hospital District enrolled in Medicare?
Yes. Dallas County Hospital District is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Dallas County Hospital District?
According to the CMS Revalidation Reassignment List (October 2026 release), 796 clinicians in 24 Medicare specialties reassign their Medicare billing to Dallas County Hospital District. A 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 the clinician's services. The largest specialties are Nurse Practitioner (370), Certified Registered Nurse Anesthetist (CRNA) (97) and Family Practice (58). Of these, 1 practice at this address and 460 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Dallas County Hospital District accept?
Health plans from Blue Cross and Blue Shield of Texas and WellPoint list Dallas County Hospital District 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 Dallas County Hospital District was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.
# Dallas County Hospital District · NPI 1235538141
Internal Medicine organization in Dallas, Texas. Organization record, active in the CMS NPPES registry since August 15, 2014.
## Identity
- **NPI:** 1235538141 (Entity type: Organization)
- **Enumerated:** August 15, 2014
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **Also known as:** Wynnewood Acute Response Clinic (Doing Business As); Oak West Acute Response Clinic (Other Name)
- **Organization subpart:** No
- **Authorized official:** Frederick Cerise, PRESIDENT/CHIEF EXECUTIVE OFFICER
## Practice location
- **Address:** 4201 BROOK SPRING DR BLDG I, Dallas, TX 75224-4968
- **Phone:** (214) 266-1450
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 796 clinicians in 24 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (370), Certified Registered Nurse Anesthetist (CRNA) (97), Family Practice (58); 1 practice at this address and 460 within 10 miles; [full list](https://npiprofile.com/npi/1235538141/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 23, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1235538141) · Data from the CMS NPPES public registry.