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MR. WILLIAM N BARKER JR. ACNP
NPI 1457501025
Nurse Practitioner - Acute Care in Longview, TX

Active since September 19, 2008PECOS EnrolledAccepts Medicare Assignment
703 E MARSHALL AVE, SUITE 5008, LONGVIEW, TX 75601(903) 315-4880(903) 315-2833 Get Directions Write a Review

NPPES record last updated: October 23, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. William N Barker Jr. Acnp NPPES

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

MR. WILLIAM N BARKER JR. ACNP (NPI 1457501025) is an individual acute care provider in Longview, Texas, licensed in Texas (AP117340) and active in the NPI registry since September 2008. He is enrolled in Medicare PECOS, is affiliated with Christus Good Shepherd Medical Center, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1457501025
Entity TypeIndividualMale
Primary Taxonomy363LA2100X
Provider Legal NameMR. WILLIAM N BARKER JR.Credential: ACNP
Location Address703 E MARSHALL AVE, SUITE 5008Longview, TX 75601-5500
Mailing AddressPo Box 4207Longview, TX 75606-4207 · (903) 315-4119 · Fax (903) 315-4130
Phone(903) 315-4880
Fax(903) 315-2833
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateSeptember 19, 2008
Last NPPES UpdateOctober 23, 2015
✔ NPI 1457501025 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in TX · AP117340
703 E MARSHALL AVE, Longview, TX 75601
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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, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. William N Barker Jr. Acnp 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 ID9537211370
PECOS Enrollment IDI20090709000120
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.

Areas of Expertise CMS Part B claims 3

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
405 services222 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.
54 services52 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
21 services20 patients

Hospital Affiliations CMS Care Compare

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

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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LAWRENCE H. ROE JR. M.D.
Internal Medicine
703 E MARSHALL AVE, SUITE 1001
LONGVIEW, TX 75601
Gregg County (903) 753-7291
DUSTIN MAX MCDERMOTT M.D.
Surgery
703 E MARSHALL AVE, SUITE 3000
LONGVIEW, TX 75601
Gregg County (903) 315-2762
EAST TEXAS UROLOGY, PLLC
Specialist
703 E MARSHALL AVE, SUITE 5008
LONGVIEW, TX 75601
Gregg County (903) 757-7871
ALLEN ROSS MORTON M.D.
Anesthesiology
703 E MARSHALL AVE, #4002
LONGVIEW, TX 75601
Gregg County (903) 247-2050
DR. RODNEY BAYRON SLONE M.D.
Internal Medicine
703 E MARSHALL AVE, SUITE 1001
LONGVIEW, TX 75601
Gregg County (903) 753-7291
GOOD SHEPHERD AMBULATORY SURGICAL CENTER LTD
Clinic/Center (Ambulatory Surgical)
703 E MARSHALL AVE, SUITE 2000
LONGVIEW, TX 75601
Gregg County (903) 315-5300
MARVIN B HOLCOMB MD
Surgery
703 E MARSHALL AVE, SUITE 3000
LONGVIEW, TX 75601
Gregg County (903) 315-2762
TERESA WOOD MD
Obstetrics & Gynecology
703 E MARSHALL AVE, SUITE 3000
LONGVIEW, TX 75601
Gregg County (903) 315-1970

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 William Barker's NPI number?

The NPI number for William Barker is 1457501025. It was assigned to this individual provider in the NPPES registry on September 19, 2008.

Where is William Barker located?

William Barker practices at 703 E Marshall Ave Suite 5008, Longview, TX 75601. The listed phone number is (903) 315-4880.

What is William Barker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is William Barker enrolled in Medicare?

Yes. William Barker 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.

What insurance does William Barker accept?

Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and UnitedHealthcare list William Barker 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 William Barker affiliated with any hospitals?

According to CMS data, William Barker is affiliated with Christus Good Shepherd Medical Center.

When was this NPI record last updated?

The NPPES record for William Barker was last updated on October 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.