Korwyn L Williams, M.D.

Primary specialty

Epilepsy PhysicianTaxonomy code 2084E0001X

License

37004 Issued in AZ

Practice address

1919 E Thomas Rd
Phoenix, AZ 85016-7710

Phone

(602) 933-0970

Fax

(602) 933-4253

NPI assigned

Aug 25, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in AZ

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

Specialty

Neurology

Education

Washington University School of Medicine, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Phoenix Children'S HospitalGroup PAC ID 0446278584, 431 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Phoenix Children'S Hospital

  • Pediatrics Physician
  • Phoenix, AZ
  • NPI 1922112044
  Medicare reassignment Care Compare group NPD
• Phoenix Children'S Medical Group

  • Multi-Specialty Clinic/Center
  • Mesa, AZ
  • NPI 1487814240
  NPD
• Phoenix Children'S Hospital Hope

  • Pharmacy
  • Phoenix, AZ
  • NPI 1386749836
  NPD (past)
• The Children'S Hospital of Alabama

  • Pediatrics Physician
  • Hueytown, AL
  • NPI 1104903749
  NPD (past)

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

{
    "created_epoch": "1156464000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780444800000",
    "number": "1922115609",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3200 E CAMELBACK RD STE 250",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850182327",
            "telephone_number": "602-933-1814"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1919 E THOMAS RD",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850167710",
            "telephone_number": "602-933-0970",
            "fax_number": "602-933-4253"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "KORWYN",
        "middle_name": "L",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-25",
        "last_updated": "2026-06-03",
        "certification_date": "2026-06-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0600X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Clinical Neurophysiology",
            "state": "AZ",
            "license": "37004",
            "primary": false
        },
        {
            "code": "2084E0001X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Epilepsy",
            "state": "AZ",
            "license": "37004",
            "primary": true
        },
        {
            "code": "2084N0402X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology with Special Qualifications in Child Neurology",
            "state": "AZ",
            "license": "37004",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "009993745",
            "state": "AL"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "222842",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Katie Marie Williams, CRNP
• Kayla Marie Williams
• Keonna Marie Williams, OTD
• Kevin King James Williams II
• Kimberly Williams, RPH
• Kristen Williams, MS, RD
• Kristin M. Williams, M.D.
• Laiken Williams
• Lauren Williams, LMSW
• Liana Williams, RBT

• Epilepsy Physician in Phoenix, AZ
• Providers in Phoenix, AZ by specialty
• Epilepsy Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 3, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.