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JEFFREY G MCWILLIAMS SR. MD
NPI 1104037639
Emergency Medicine in Longview, TX

Active since May 25, 2007PECOS EnrolledAccepts Medicare Assignment
1300 N 6TH ST UNIT A, LONGVIEW, TX 75601(903) 232-8928(903) 234-1639 Get Directions Write a Review

NPPES record last updated: July 22, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 22, 2022, Mar 26, 2018 (2 updates tracked since 2018).

About Jeffrey G Mcwilliams Sr. Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JEFFREY G MCWILLIAMS SR. MD (NPI 1104037639) is an individual emergency medicine provider in Longview, Texas, licensed in Texas (N7143) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Christus Good Shepherd Medical Center, and maintains a secondary practice location in Longview.

NPPES Registry Identity

NPI1104037639
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJEFFREY G MCWILLIAMS SR.Credential: MD
Location Address1300 N 6TH ST UNIT ALongview, TX 75601-5567
Mailing Address112 Oak IsleLongview, TX 75605 · (903) 663-0396
Phone(903) 232-8928
Fax(903) 234-1639
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateMay 25, 2007
Last NPPES UpdateJuly 22, 20222 updates tracked since enumeration
NPPES CertifiedJuly 22, 2022
✔ NPI 1104037639 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in TX · N7143✔ Licensed in LA · MD203850✔ Licensed in OK · 269656
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedGeneral PracticeTaxonomy 208D00000X · License N7143 (TX)
1300 N 6TH ST UNIT A, Longview, TX 75601
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Other Names 1

Other Name (5)Jeffery Mcwilliams M.d.

Secondary Practice Location 1

Location 1112 Oak IsleLongview, TX 75605 · Phone (903) 663-0396

Other Identifiers 2

Medicaid216797510TX
Medicaid09891LA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jeffrey G Mcwilliams Sr. Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9830242825
PECOS Enrollment IDI20101004001231
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

9

Medicare enrollment records show Jeffrey Mcwilliams reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Core Health Systems
Same address
Federally Qualified Health Center (FQHC)
1300 N 6TH ST
Longview, TX 75601
NPI 1033891148 (903) 232-8928
Acute Care Specialists
0.4 mi
Emergency Medicine
700 E MARSHALL AVE
Longview, TX 75601
  • Reassigned Medicare billing, Texas enrollment
  • 154 clinicians in this Medicare group
NPI 1740655273 (903) 315-2000
Northeast Texas Emergency Physicians, PLLC
0.4 mi
Emergency Medicine
700 E MARSHALL AVE
Longview, TX 75601
  • Reassigned Medicare billing, Texas enrollment
  • 272 clinicians in this Medicare group
NPI 1114607611 (903) 315-2000
Sabine Valley Regional Mhmr Center
1.5 mi
Mental Health (Including Community Mental Health Center)
107 WOODBINE PL
Longview, TX 75601
  • Reassigned Medicare billing, Texas enrollment
  • 46 clinicians in this Medicare group
NPI 1639232002 (903) 758-2471
Lsu Health Sciences Center Shreveport Faculty Group Practice
57 mi
Family Medicine
1541 KINGS HWY
Shreveport, LA 71103
  • Reassigned Medicare billing, Louisiana enrollment
  • 1,167 clinicians in this Medicare group
NPI 1013374222 (318) 626-0000
Union Emergency Physicians, PLLC
76 mi
Emergency Medicine
2600 SAINT MICHAEL DR
Texarkana, TX 75503
  • Reassigned Medicare billing, Texas enrollment
  • 128 clinicians in this Medicare group
NPI 1023798501 (903) 614-1000
Angelina Emergency Medicine Associates PA
81 mi
Emergency Medicine
505 S JOHN REDDITT DR
Lufkin, TX 75904
  • Reassigned Medicare billing, Texas enrollment
  • 89 clinicians in this Medicare group
NPI 1518397298 (337) 354-1254
Brfhh Monroe LLC
153 mi
Psychiatric Unit
4864 JACKSON ST
Monroe, LA 71202
  • Reassigned Medicare billing, Louisiana enrollment
  • 119 clinicians in this Medicare group
NPI 1255761151 (318) 330-7000
Acs Primary Care Physicians Southwest, PA
162 mi
Emergency Medicine
1900 HOSPITAL BLVD
Gainesville, TX 76240
  • Reassigned Medicare billing, Texas enrollment
  • 1,193 clinicians in this Medicare group
NPI 1538101019 (925) 924-1600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
80 services78 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
69 services67 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
51 services50 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Christus Good Shepherd Medical Center

Acute Care Hospitals · Longview, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450032
Location700 E Marshall AveLongview, TX 75601 · Gregg County
Emergency services Birthing friendly

Christus St Michael Health System

Acute Care Hospitals · Texarkana, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number450801
Location2600 St Michael DrTexarkana, TX 75503 · Bowie County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Jeffrey Mcwilliams's NPI number?

The NPI number for Jeffrey Mcwilliams is 1104037639. It was assigned to this individual provider in the NPPES registry on May 25, 2007. The provider is also known as Jeffery Mcwilliams M.D..

Where is Jeffrey Mcwilliams located?

Jeffrey Mcwilliams practices at 1300 N 6th St Unit A, Longview, TX 75601. The listed phone number is (903) 232-8928.

What is Jeffrey Mcwilliams's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Jeffrey Mcwilliams enrolled in Medicare?

Yes. Jeffrey Mcwilliams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Jeffrey Mcwilliams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Mcwilliams reassigns Medicare benefits to 9 organizations: Core Health Systems (Longview, TX), Acute Care Specialists (Longview, TX), Northeast Texas Emergency Physicians, PLLC (Longview, TX), Sabine Valley Regional Mhmr Center (Longview, TX), Lsu Health Sciences Center Shreveport Faculty Group Practice (Shreveport, LA) and 4 more organizations, listed in the Medicare section above. Each 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 Jeffrey Mcwilliams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jeffrey Mcwilliams accept?

Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and Oscar Insurance Company list Jeffrey Mcwilliams 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.

Is Jeffrey Mcwilliams affiliated with any hospitals?

According to CMS data, Jeffrey Mcwilliams is affiliated with Christus Good Shepherd Medical Center and Christus St Michael Health System.

When was this NPI record last updated?

The NPPES record for Jeffrey Mcwilliams was last updated on July 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.