Jeffrey G Mcwilliams Sr, MD - Medicare Emergency Medicine in Longview, TX

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Jeffrey G Mcwilliams Sr, MD is a medicare enrolled "Emergency Medicine" physician in Longview, Texas. He graduated from medical school in 2007 and has 17 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Acs Primary Care Physicians Southwest Pa, Living Forest Country Emergency Physicians Pllc, Northeast Texas Emergency Physicians Pllc and his current practice location is 1300 N 6th St Unit A, Longview, Texas. You can reach out to his office (for appointments etc.) via phone at (903) 232-8928.

Jeffrey G Mcwilliams Sr is licensed to practice in Texas (license number N7143) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1104037639.

Contact Information

Jeffrey G Mcwilliams Sr, MD
1300 N 6th St Unit A,
Longview, TX 75601-5567
(903) 232-8928
(903) 234-1639

Map and Direction




Physician's Profile

Full NameJeffrey G Mcwilliams Sr
GenderMale
SpecialityEmergency Medicine
Experience17 Years
Location1300 N 6th St Unit A, Longview, Texas
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Jeffrey G Mcwilliams Sr graduated from medical school in 2007
  NPI Data:
  • NPI Number: 1104037639
  • Provider Enumeration Date: 05/25/2007
  • Last Update Date: 07/22/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 9830242825
  • Enrollment ID: I20101004001231

Medical Identifiers

Medical identifiers for Jeffrey G Mcwilliams Sr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104037639NPI-NPPES
216797510MedicaidTX
09891MedicaidLA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208D00000XGeneral Practice N7143 (Texas)Secondary
207P00000XEmergency Medicine N7143 (Texas)Primary
207P00000XEmergency Medicine MD203850 (Louisiana)Secondary
207P00000XEmergency Medicine 269656 (Oklahoma)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Nacogdoches Medical CenterNacogdoches, TXHospital
Longview Regional Medical CenterLongview, TXHospital
Christus St Michael Health SystemTexarkana, TXHospital
Christus Good Shepherd Medical CenterLongview, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Acs Primary Care Physicians Southwest Pa1850204363201
Living Forest Country Emergency Physicians Pllc195144049414
Northeast Texas Emergency Physicians Pllc8527420306140

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Jeffrey G Mcwilliams Sr allows following entities to bill medicare on his behalf.
Entity NameSabine Valley Regional Mhmr Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1639232002
PECOS PAC ID: 0143202580
Enrollment ID: O20040601001132
Entity NameAcs Primary Care Physicians Southwest Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538101019
PECOS PAC ID: 1850204363
Enrollment ID: O20041206000027
Entity NamePort Arthur Emergency Physicians
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1255491627
PECOS PAC ID: 6901905736
Enrollment ID: O20070620000245
Entity NameLiving Forest Country Emergency Physicians Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760615330
PECOS PAC ID: 1951440494
Enrollment ID: O20091123000452
Entity NameAngelina Emergency Medicine Associates Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518397298
PECOS PAC ID: 5395973564
Enrollment ID: O20140115000579
Entity NameAcute Care Specialists
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740655273
PECOS PAC ID: 6800190364
Enrollment ID: O20160204000716
Entity NameCore Health Systems
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407553886
PECOS PAC ID: 9234599424
Enrollment ID: O20230719003780
Entity NameUnion Emergency Physicians Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023798501
PECOS PAC ID: 7810359759
Enrollment ID: O20230809003411
Entity NameNortheast Texas Emergency Physicians Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1114607611
PECOS PAC ID: 8527420306
Enrollment ID: O20230810001225
Entity NameCore Health Systems
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1144902602
PECOS PAC ID: 9234599424
Enrollment ID: O20230906000653
Entity NameCore Health Systems
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033891148
PECOS PAC ID: 9234599424
Enrollment ID: O20230906001125
Entity NameCore Health Systems
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396427852
PECOS PAC ID: 9234599424
Enrollment ID: O20230906003390
Entity NameCore Health Systems
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275215303
PECOS PAC ID: 9234599424
Enrollment ID: O20230907001913

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Jeffrey G Mcwilliams Sr is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Jeffrey G Mcwilliams Sr, MD
112 Oak Isle,
Longview, TX 75605

Ph: (903) 663-0396		Jeffrey G Mcwilliams Sr, MD
1300 N 6th St Unit A,
Longview, TX 75601-5567

Ph: (903) 232-8928

Reviews and Comments


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Nicole Sneed, MD
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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.