William Henry Korthals III, MSW, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

13050 Issued in SC

Practice address

1800 Airpark Dr
Myrtle Beach, SC 29577-1412

Phone

(843) 301-3202

NPI assigned

Apr 23, 2007

Last updated

Oct 6, 2026By the provider in NPPES

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

Medicare fee-for-service enrollment

Enrolled in DE

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 2000

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: williamkorthals@tdh.allscriptsdirect.net

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

• Grow Healthcare Group PA

  • Mental Health Counselor
  • Miami, FL
  • NPI 1245845932

  Clinical, DE

  Medicare reassignment NPD
• Mental Health Specialty Group PA

  dba Rula Health

  • Mental Health Counselor
  • Durham, NC
  • NPI 1801472634

  DE

  Medicare reassignment NPD
• Collins Creek Counseling

  • Counselor
  • Murrells Inlet, SC
  • NPI 1699576264
  NPD (past) Authorized official
• Teladoc Health Medical Group, P.a.

  • Family Medicine Physician
  • Lewisville, TX
  • NPI 1245403567

  Clinical

  NPD

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

{
    "created_epoch": "1177286400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791244800000",
    "number": "1972721124",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 SOUTHERN BREEZES CIR",
            "city": "MURRELLS INLET",
            "state": "SC",
            "postal_code": "295769390",
            "telephone_number": "716-517-1394"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 AIRPARK DR",
            "city": "MYRTLE BEACH",
            "state": "SC",
            "postal_code": "295771412",
            "telephone_number": "843-301-3202"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KORTHALS",
        "first_name": "WILLIAM",
        "middle_name": "HENRY",
        "name_prefix": "Mr.",
        "name_suffix": "III",
        "credential": "MSW, LCSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-04-23",
        "last_updated": "2026-10-06",
        "certification_date": "2026-10-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NY",
            "license": "061583",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "DE",
            "license": "Q1-0001104",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "SC",
            "license": "13050",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• John Konopka, OT
• Jimmy L Kontos, MD
• Teresa Regina Kontos, MD
• Jarrett Koper, DO
• Hope Koroly, PT, DPT
• Michael Kouandjio, MD
• Roger N Kourey, DMD08
• Amanda L Koury, PHARMD
• Stephen Francis Kovacs III, LISW-CP
• Seth Addison Kozlowski, DO, PA-C

• Clinical Social Worker in Myrtle Beach, SC
• Providers in Myrtle Beach, SC by specialty
• Clinical Social Worker in South Carolina

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 6, 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.