Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DALLAS COUNTY HOSPITAL DISTRICT
NPI 1235538141
Internal Medicine in Dallas, TX

Q: 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.

Q: What is Dallas County Hospital District's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since August 15, 2014

4201 BROOK SPRING DR BLDG I, DALLAS, TX 75224(214) 266-1450 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 23, 2026, Aug 13, 2026, Dec 7, 2022 and 2 more (5 updates tracked since 2020).

On this page

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

NPI1235538141

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameDALLAS COUNTY HOSPITAL DISTRICT

Location Address4201 BROOK SPRING DR BLDG IDallas, TX 75224-4968

Mailing AddressPo Box 660599Dallas, TX 75266-0599

Phone(214) 266-1450

Organization SubpartNo

Authorized OfficialFrederick P. CerisePresident/chief Executive Officer · (214) 590-8006

Enumeration DateAugust 15, 2014

Last NPPES UpdateSeptember 23, 20265 updates tracked since enumeration

NPPES CertifiedSeptember 23, 2026

✔ NPI 1235538141 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X

Also ListedFamily MedicineTaxonomy 207Q00000X

Also ListedPhysician AssistantTaxonomy 363A00000X

Also ListedNurse PractitionerTaxonomy 363L00000X

4201 BROOK SPRING DR BLDG I, Dallas, TX 75224

Open in Google Maps ↗

Other Names 2

Doing Business AsWynnewood Acute Response Clinic

Other NameOak West Acute Response Clinic

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, WellPoint.Insurance ›

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.

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 8 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.