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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WILLIAM ARNOLD MD
NPI 1457056947
Pediatrics in New Orleans, LA

Active since April 03, 2023PECOS Enrolled
200 HENRY CLAY AVE, NEW ORLEANS, LA 70118(504) 432-9997 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 23, 2026, Apr 4, 2023 (2 updates tracked since 2023).

About William Arnold Md NPPES

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

WILLIAM ARNOLD MD (NPI 1457056947) is an individual pediatrics provider in New Orleans, Louisiana, licensed in Louisiana (350959) and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457056947
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameWILLIAM ARNOLDCredential: MD
Location Address200 HENRY CLAY AVENew Orleans, LA 70118-5720
Mailing Address200 Henry Clay AveNew Orleans, LA 70118-5720
Phone(504) 432-9997
Sole ProprietorNo
Enumeration DateApril 3, 2023
Last NPPES UpdateSeptember 23, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2026
✔ NPI 1457056947 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in LA · 350959
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
200 HENRY CLAY AVE, New Orleans, LA 70118
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

William Arnold 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70118 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
$86.76 typical visit price
range $55.50 – $170.30
Typical copayment $21.69 (range $13.87 – $42.57)
Most-billed visit code 99203
Established Patient
$98.35 typical visit price
range $17.42 – $138.03
Typical copayment $24.58 (range $4.35 – $34.50)
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.

AMIT KUMAR SHARMA MD
Orthopaedic Surgery
200 HENRY CLAY AVE, STE 4103 CHILDREN'S HOSPITAL
NEW ORLEANS, LA 70118
Orleans Parish (504) 896-9569
LSU HEALTH NEW ORLEANS
Student in an Organized Health Care Education/Training Program
200 HENRY CLAY AVE
NEW ORLEANS, LA 70118
Orleans Parish (504) 896-9441
DR. BRIAN BARKEMEYER M.D.
Pediatrics (Neonatal-Perinatal Medicine)
200 HENRY CLAY AVE
NEW ORLEANS, LA 70118
Orleans Parish (504) 896-9418
DR. JODI LYNN KAMPS PH.D.
Psychologist (Clinical)
200 HENRY CLAY AVE, DEPARTMENT OF PSYCHOLOGY SUITE 3030
NEW ORLEANS, LA 70118
Orleans Parish (504) 896-9484
BENTLEY BABIN CRNA
Nurse Anesthetist, Certified Registered
200 HENRY CLAY AVE
NEW ORLEANS, LA 70118
Orleans Parish (504) 896-9456
LAURA ANNA PETRAUSKAS MD
Otolaryngology
200 HENRY CLAY AVE
NEW ORLEANS, LA 70118
Orleans Parish (504) 899-9511
KATHERINE GILL FNP
Nurse Practitioner (Family)
200 HENRY CLAY AVE
NEW ORLEANS, LA 70118
Orleans Parish (504) 896-9569
CARRIE PHAM MD
Student in an Organized Health Care Education/Training Program
200 HENRY CLAY AVE
NEW ORLEANS, LA 70118
Orleans Parish (504) 899-9511

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 Arnold's NPI number?

The NPI number for William Arnold is 1457056947. It was assigned to this individual provider in the NPPES registry on April 3, 2023.

Where is William Arnold located?

William Arnold practices at 200 Henry Clay Ave, New Orleans, LA 70118. The listed phone number is (504) 432-9997.

What is William Arnold's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is William Arnold enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for William Arnold was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.