Individual provider Active NPI

Hallum Christian Ewbank

  • Pediatrics Physician
  • Oklahoma City, OK
National Provider Identifier
1700504347
Registry record updated May 31, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatrics PhysicianTaxonomy code 208000000X
License
48246 Issued in OK
Practice address
800 Stanton L Young Blvd
Oklahoma City, OK 73104-5018
Phone
(405) 271-2316
NPI assigned
Aug 19, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 31, 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 48246 OK Primary

Addresses

Primary practice location

800 Stanton L Young Blvd
Oklahoma City, OK 73104-5018

Mailing address

10301 N Rock Circle Dr
Edmond, OK 73034-8601

Other practice location 1

1200 Childrens Ave
Oklahoma City, OK 73104-4637
Phone (405) 271-4417

Other names 1

  • Hallum Christian Riggs Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
48246OKMDPediatrics Physician

NPI Registry JSON

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

{
    "created_epoch": "1660867200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780185600000",
    "number": "1700504347",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10301 N ROCK CIRCLE DR",
            "city": "EDMOND",
            "state": "OK",
            "postal_code": "730348601"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 STANTON L YOUNG BLVD",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731045018",
            "telephone_number": "405-271-2316"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1200 Childrens Ave",
            "address_purpose": "LOCATION",
            "city": "Oklahoma City",
            "state": "OK",
            "postal_code": "731044637",
            "country_code": "US",
            "telephone_number": "405-271-4417",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "EWBANK",
        "first_name": "HALLUM",
        "middle_name": "CHRISTIAN",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-08-19",
        "last_updated": "2026-05-31",
        "certification_date": "2026-05-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "OK",
            "license": "48246",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "HALLUM",
            "last_name": "RIGGS",
            "middle_name": "CHRISTIAN",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Oklahoma City, OK

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.