Individual provider Active NPI

John William Campbell, PHD, MS, CCC-SLP

  • Speech-Language Pathologist
  • Oklahoma City, OK
National Provider Identifier
1386683142
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Speech-Language PathologistTaxonomy code 235Z00000X
License
2472 Issued in OK
Practice address
921 NE 13TH St
Oklahoma City, OK 73104-5007
Phone
(405) 270-0501
NPI assigned
Jun 6, 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
Speech-Language Pathologist 235Z00000X 2472 OK Primary

Addresses

Primary practice location

921 NE 13TH St
Oklahoma City, OK 73104-5007

Mailing address

2409 Northwood LN
Edmond, OK 73013-5633
Phone (405) 478-4822

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
Credentials
Master of Science, Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
2472OKMDOccupational Therapy Assistant

NPI Registry JSON

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

{
    "created_epoch": "1149552000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1386683142",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2409 NORTHWOOD LN",
            "city": "EDMOND",
            "state": "OK",
            "postal_code": "730135633",
            "telephone_number": "405-478-4822"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "921 NE 13TH ST",
            "city": "OKLAHOMA CITY",
            "state": "OK",
            "postal_code": "731045007",
            "telephone_number": "405-270-0501"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CAMPBELL",
        "first_name": "JOHN",
        "middle_name": "WILLIAM",
        "name_prefix": "Dr.",
        "credential": "PHD, MS, CCC-SLP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-06",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "235Z00000X",
            "taxonomy_group": "",
            "desc": "Speech-Language Pathologist",
            "state": "OK",
            "license": "2472",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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 Jul 13, 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.