CORE HEALTH SYSTEMS
NPI 1033891148
Clinic/Center - Federally Qualified Health Center (FQHC) in Longview, TX
About Core Health Systems NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CORE HEALTH SYSTEMS (NPI 1033891148) is a healthcare organization registered as a federally qualified health center (fqhc) in Longview, Texas and active in the NPI registry since August 2023. The organization holds a CLIA Waiver certificate valid through May 27, 2028 and lists Rosemary O Villarreal, Credentialing Specialist, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 8
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)
Core Health Systems is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
11Medicare enrollment records show 11 clinicians reassign Medicare billing to Core Health Systems, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 6 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 4
Clinicians, nearest first (11)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 45D2305196
Core Health Systems · Longview, TXFrequently 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 Core Health Systems's NPI number?
The NPI number for Core Health Systems is 1033891148. It was assigned to this organization in the NPPES registry on August 7, 2023.
Where is Core Health Systems located?
Core Health Systems is located at 1300 N 6th St, Longview, TX 75601. The listed phone number is (903) 232-8928.
What is Core Health Systems's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Federally Qualified Health Center (FQHC), with taxonomy code 261QF0400X.
Is Core Health Systems enrolled in Medicare?
Yes. Core Health Systems is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Core Health Systems?
According to the CMS Revalidation Reassignment List (October 2026 release), 11 clinicians in 4 Medicare specialties reassign their Medicare billing to Core Health Systems. 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 (8), Emergency Medicine (1) and Obstetrics/Gynecology (1). Of these, 3 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Core Health Systems hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 45D2305196) is associated with this NPI, valid through May 27, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Core Health Systems accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Core Health Systems 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 Core Health Systems was last updated on June 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Core Health Systems · NPI 1033891148
Federally Qualified Health Center (FQHC) organization in Longview, Texas. Organization record, active in the CMS NPPES registry since August 7, 2023.
## Identity
- **NPI:** 1033891148 (Entity type: Organization)
- **Enumerated:** August 7, 2023
- **Primary specialty:** Clinic/Center - Federally Qualified Health Center (FQHC) · taxonomy 261QF0400X
- **Organization subpart:** No
- **Authorized official:** Rosemary Villarreal, CREDENTIALING SPECIALIST
## Practice location
- **Address:** 1300 N 6TH ST, Longview, TX 75601-5567
- **Phone:** (903) 232-8928 · **Fax:** (903) 918-1813
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 11 clinicians in 4 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (8), Emergency Medicine (1), Obstetrics/Gynecology (1); 3 practice at this address and 6 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 12, 2025
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1033891148) · Data from the CMS NPPES public registry.