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MR. WILLIAM MARSHALL GIBBS IV DO
NPI 1588305643
Psychiatry & Neurology - Psychiatry in Searcy, AR

Active since April 05, 2022PECOS Enrolled
3214 E RACE AVE, SEARCY, AR 72143(501) 380-2280 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 10, 2026, Apr 5, 2022 (2 updates tracked since 2022).

About Mr. William Marshall Gibbs Iv Do NPPES

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

MR. WILLIAM MARSHALL GIBBS IV DO (NPI 1588305643) is an individual psychiatry provider in Searcy, Arkansas, licensed in Arkansas (E18720) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1588305643
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameMR. WILLIAM MARSHALL GIBBS IVCredential: DO
Location Address3214 E RACE AVESearcy, AR 72143-4810
Mailing Address2900 Hawkins DrSearcy, AR 72143-4802 · (501) 380-2280
Phone(501) 380-2280
Sole ProprietorYes
Enumeration DateApril 5, 2022
Last NPPES UpdateMarch 10, 20262 updates tracked since enumeration
NPPES CertifiedMarch 10, 2026
✔ NPI 1588305643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in AR · E18720
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
3214 E RACE AVE, Searcy, AR 72143
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Health Advantage, Octave.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. William Marshall Gibbs Iv Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

Medicare enrollment records show William Gibbs reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

White County Medical Center
Same address
Hospitalist
3214 E RACE AVE
Searcy, AR 72143
  • Reassigned Medicare billing, Arkansas enrollment
  • 159 clinicians in this Medicare group
NPI 1053662890 (501) 268-6121
Unity Health - Newport
35 mi
Psychiatry
1117 MCLAIN ST STE 300
Newport, AR 72112
  • Reassigned Medicare billing, Arkansas enrollment
  • 67 clinicians in this Medicare group
NPI 1164152815 (870) 495-1260

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 72143 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
$157.74 typical visit price
range $51.36 – $157.74
Typical copayment $39.43 (range $12.84 – $39.43)
Most-billed visit code 99205
Established Patient
$64.56 typical visit price
range $16.16 – $128.77
Typical copayment $16.14 (range $4.04 – $32.19)
Most-billed visit code 99213
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. CALEB JARRED CONRAD DO
Student in an Organized Health Care Education/Training Program
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 380-2216
PRABHNEET SINGH PANNU MD
Student in an Organized Health Care Education/Training Program
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 380-2298
RUPAK KUMAR CHOWDHURY MD
Student in an Organized Health Care Education/Training Program
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 203-2183
SARAH RAMSEY APRN
Clinical Nurse Specialist (Psychiatric/Mental Health)
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 268-6121
DR. CAYLAN LIEW DO
Student in an Organized Health Care Education/Training Program
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 380-2299
COLLIE MASON SHAW
Student in an Organized Health Care Education/Training Program
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 380-2280
BRYCE RICHARD BROOKS DO
Student in an Organized Health Care Education/Training Program
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 380-2280
DR. JAMIE PITCOCK SMITH CRNA
Nurse Anesthetist, Certified Registered
3214 E RACE AVE
SEARCY, AR 72143
White County (501) 268-6121

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 Gibbs's NPI number?

The NPI number for William Gibbs is 1588305643. It was assigned to this individual provider in the NPPES registry on April 5, 2022.

Where is William Gibbs located?

William Gibbs practices at 3214 E Race Ave, Searcy, AR 72143. The listed phone number is (501) 380-2280.

What is William Gibbs's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is William Gibbs enrolled in Medicare?

Yes. William Gibbs is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for William Gibbs's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Gibbs reassigns Medicare benefits to 2 organizations: White County Medical Center (Searcy, AR) and Unity Health - Newport (Newport, AR). 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 William Gibbs's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Gibbs accept?

Health plans from Health Advantage and Octave list William Gibbs 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 William Gibbs was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.