Active NPI
William Arnold, MD
- Pediatrics Physician
- New Orleans, LA
National Provider Identifier
1457056947
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pediatrics Physician
- License
- 350959
- Practice address
- 200 Henry Clay Ave
New Orleans, LA 70118-5720 - Phone
- (504) 432-9997
- NPI assigned
- Apr 3, 2023
- Last updated
- Sep 23, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Pediatrics Physician | 208000000X | 350959 | LA | Primary |
Addresses
Primary practice location
200 Henry Clay Ave
New Orleans, LA 70118-5720
Mailing address
200 Henry Clay Ave
New Orleans, LA 70118-5720
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 350959 | LA | MD | Pediatrics Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1680480000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1790121600000",
"number": "1457056947",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "200 HENRY CLAY AVE",
"city": "NEW ORLEANS",
"state": "LA",
"postal_code": "701185720"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "200 HENRY CLAY AVE",
"city": "NEW ORLEANS",
"state": "LA",
"postal_code": "701185720",
"telephone_number": "504-432-9997"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ARNOLD",
"first_name": "WILLIAM",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2023-04-03",
"last_updated": "2026-09-23",
"certification_date": "2026-09-23",
"status": "A"
},
"taxonomies": [
{
"code": "208000000X",
"taxonomy_group": "",
"desc": "Pediatrics",
"state": "LA",
"license": "350959",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in New Orleans, LA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.