Core Health Systems - Medicare Primary Care in Jefferson, TX

Core Health Systems is a medicare enrolled primary clinic (General Practice) in Jefferson, Texas. The current practice location for Core Health Systems is 1113 N Walcott Street Ste B, Jefferson, Texas. For appointments, you can reach them via phone at (903) 758-2471. The mailing address for Core Health Systems is 107 Woodbine Pl, Longview, Texas and phone number is (903) 758-2471.

Core Health Systems is licensed to practice in (license number ). The clinic also participates in the medicare program and its NPI number is 1851235204. This medical practice accepts medicare insurance (which means this clinic accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance). However, please confirm if they accept your insurance at (903) 758-2471.

Contact Information

Core Health Systems
1113 N Walcott Street Ste B
Jefferson
TX 75657-1034
(903) 758-2471
(903) 234-1639

Map and Direction


Primary Care Clinic Profile

Full NameCore Health Systems
SpecialityGeneral Practice
Location1113 N Walcott Street Ste B, Jefferson, Texas
Authorized Official Name and PositionRosemary O Villarreal (PROVIDER ENROLLMENT/CRED SPECIALIST)
Authorized Official Contact9039323779
Accepts Medicare InsuranceYes. This clinic participates in medicare program and accept medicare insurance.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Core Health Systems
107 Woodbine Pl
Longview
TX 75601-2912

Ph: (903) 758-2471
Core Health Systems
1113 N Walcott Street Ste B
Jefferson
TX 75657-1034

Ph: (903) 758-2471

NPI Details:

NPI Number1851235204
Provider Enumeration Date04/16/2026
Last Update Date09/03/2026
Certification Date09/03/2026

Medicare PECOS Information:

Medicare PECOS PAC ID9234599424
Medicare Enrollment IDO20260529003894

Medical Identifiers

Medical identifiers for Core Health Systems such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1851235204NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208D00000XGeneral Practice ()Primary
261QF0400XClinic/center - Federally Qualified Health Center (fqhc) ()Secondary
363A00000XPhysician Assistant ()Secondary
363LF0000XNurse Practitioner - Family ()Secondary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Core Health Systems acts as a billing entity for following providers:
Provider NameTana Sandel
Provider TypePractitioner - Physician Assistant
Provider IdentifiersNPI Number: 1861484370
PECOS PAC ID: 8426129008
Enrollment ID: I20080625000657
Provider NameJeffrey G Mcwilliams
Provider TypePractitioner - Emergency Medicine
Provider IdentifiersNPI Number: 1104037639
PECOS PAC ID: 9830242825
Enrollment ID: I20101004001231
Provider NameKeith Kirbow
Provider TypePractitioner - Nurse Practitioner
Provider IdentifiersNPI Number: 1376189308
PECOS PAC ID: 3072881200
Enrollment ID: I20200127001205

Reviews and Comments

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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.