1. Home
  2. Directory
  3. Arkansas
  4. Little Rock
  5. Psychiatry Neurology
  6. NPI Profile

WILLIAM WALTERS MD
NPI 1356462329
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Little Rock, AR

Active since April 03, 2007PECOS Enrolled
4301 W MARKHAM ST # 783, LITTLE ROCK, AR 72205(501) 686-8000 Get Directions Write a Review

NPPES record last updated: February 2, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About William Walters Md NPPES

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

WILLIAM WALTERS MD (NPI 1356462329) is an individual neurology with special qualifications in child neurology provider in Little Rock, Arkansas, licensed in Arkansas (E-5686) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1356462329
Entity TypeIndividualMale
Primary Taxonomy2084N0402X
Provider Legal NameWILLIAM WALTERSCredential: MD
Location Address4301 W MARKHAM ST # 783Little Rock, AR 72205-7101
Mailing Address4301 W Markham St # 783Little Rock, AR 72205-7101 · (501) 686-8000
Phone(501) 686-8000
Sole ProprietorNo
Enumeration DateApril 3, 2007
Last NPPES UpdateFebruary 2, 2022
NPPES CertifiedFebruary 2, 2022
✔ NPI 1356462329 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0402X
License✔ Licensed in AR · E-5686
Definition
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.
4301 W MARKHAM ST # 783, Little Rock, AR 72205
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Walters Md 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

3

Medicare enrollment records show William Walters reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of Arkansas For Medical Sciences
Same address
General Practice
4301 W MARKHAM ST # 528
Little Rock, AR 72205
  • Reassigned Medicare billing, Arkansas enrollment
  • 1,246 clinicians in this Medicare group
NPI 1326341488 (501) 614-2006
Arkansas Childrens Professional Services Organization LLC
1.7 mi
Pediatrics
1 CHILDRENS WAY
Little Rock, AR 72202
  • Reassigned Medicare billing, Arkansas enrollment
  • 653 clinicians in this Medicare group
NPI 1629889464 (501) 364-2526
Arkansas Childrens Hospital
5.1 mi
Pediatrics
1 CHILDRENS WAY # 664
Little Rock, AR 72202
  • Reassigned Medicare billing, Arkansas enrollment
  • 944 clinicians in this Medicare group
NPI 1598773079 (501) 364-2526

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 72205 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
$119.36 typical visit price
range $51.36 – $157.74
Typical copayment $29.84 (range $12.84 – $39.43)
Most-billed visit code 99204
Established Patient
$91.63 typical visit price
range $16.16 – $128.77
Typical copayment $22.90 (range $4.04 – $32.19)
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.

ANNA JANE SCHLESSELMAN OD
Optometrist
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
JACQUELINE JULIET PONDER
Social Worker
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
RACHEL SLOAN APRN FNP-C
Nurse Practitioner (Family)
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
GAURAV DHAR MD
Internal Medicine (Interventional Cardiology)
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
JOHN M ARTHUR MD
Internal Medicine (Nephrology)
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
NESLIHAN CETIN M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
DR. CHRISTOPHER BRENT LAWLIS M.D.
Psychiatry & Neurology (Psychiatry)
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000
MARY DEVINE CNM
Advanced Practice Midwife
4301 W MARKHAM ST # 783
LITTLE ROCK, AR 72205
Pulaski County (501) 686-8000

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 Walters's NPI number?

The NPI number for William Walters is 1356462329. It was assigned to this individual provider in the NPPES registry on April 3, 2007.

Where is William Walters located?

William Walters practices at 4301 W Markham St # 783, Little Rock, AR 72205. The listed phone number is (501) 686-8000.

What is William Walters's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Is William Walters enrolled in Medicare?

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

Which organizations bill Medicare for William Walters's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Walters reassigns Medicare benefits to 3 organizations: University Of Arkansas For Medical Sciences (Little Rock, AR), Arkansas Childrens Professional Services Organization LLC (Little Rock, AR) and Arkansas Childrens Hospital (Little Rock, 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 Walters's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Walters accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list William Walters 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 Walters was last updated on February 2, 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.