Individual provider Active NPI

William C Warren IV, MD

  • Pediatrics Physician
  • Atlanta, GA
National Provider Identifier
1851345904
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
023126 Issued in GA
Practice address
239 Ivan Allen Jr Blvd
Atlanta, GA 30313
Phone
(404) 523-6571
Fax
(404) 523-6574
NPI assigned
May 22, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 023126 GA Primary

Addresses

Primary practice location

239 Ivan Allen Jr Blvd
Atlanta, GA 30313

Mailing address

239 Ivan Allen Jr Blvd
Atlanta, GA 30313
Phone (404) 523-6571

Other names 1

  • Dr. William Chester Warren IV Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in GA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20150902003149 GA Order and Referring Only - Pediatric MedicinePractitioner - Pediatric Medicine 5698081800

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
023126GAMDPediatrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Hope First Investments PastSince Sep 20, 2022 Accepting new patients
The Good Samaritan Health Center, Inc. PastSince Apr 2, 2016 Accepting new patients

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1148256000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1851345904",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "239 IVAN ALLEN JR BLVD",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "30313",
            "telephone_number": "404-523-6571",
            "fax_number": "404-523-6574"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "239 IVAN ALLEN JR BLVD",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "30313",
            "telephone_number": "404-523-6571",
            "fax_number": "404-523-6574"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARREN",
        "first_name": "WILLIAM",
        "middle_name": "C",
        "name_prefix": "Dr.",
        "name_suffix": "IV",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-22",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "GA",
            "license": "023126",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "WILLIAM",
            "last_name": "WARREN",
            "middle_name": "CHESTER",
            "prefix": "DR.",
            "suffix": "IV",
            "credential": "MD",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Atlanta, GA

Sources for this page

Verify at the official NPI Registry.