NPPES file of Aug 9, 2026

William Henry Korthals, MSW, LCSW

Clinical Social Worker · Myrtle Beach, SC

William Henry Korthals, MSW, LCSW is a clinical social worker with a practice address in Myrtle Beach, South Carolina, and NPI 1972721124, issued on Apr 23, 2007. Check the license (South Carolina 13050, as entered in NPPES) with the South Carolina board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972721124
Name
William Henry Korthals
Credential
MSW, LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License numbers
13050 SC
Q1-0001104 DE
061583 NY
Self-reported in NPPES; status is on the state search
Practice location
1800 Airpark Dr, Myrtle Beach, SC 29577
Phone
(843) 301-3202
Enumerated
Apr 23, 2007
Record last updated
Mar 21, 2025
Medicare enrollment
Enrolled (PECOS I20250924004838); may accept Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical social worker records → All 2,046 in South Carolina → Look up another NPI →

Also registered at 1800 Airpark Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amir Ahmadzadeh, DOInternal Medicine Physician1184205700
  2. Danielle Brown, NPFamily Nurse Practitioner1043729106
  3. Alan Cohen, C.PED / CFOPedorthist1497676407
  4. Karen Gatwood, APRNNurse Practitioner1609531516
  5. James Greene, MDDiagnostic Radiology Physician1619137825
  6. Tori Horn, PH.D.Clinical Psychologist1720812456

Verify William Henry Korthals in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 13050    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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William Henry Korthals among 2,046 clinical social worker records in South Carolina

William Henry Korthals, MSW, LCSW is one of 2,046 clinical social worker records with a practice address in South Carolina. 13% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 15% of them.

  • NPI issued2007 · 15% of these records are older, 76% newer
  • In a Medicare fileNo · 13% of these records are
  • In the CMS Doctors and Clinicians fileYes · 22% of these records are
  • Graduated2000 · median 2009 among the 456 with a school on file
  • Record last updated2025 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

64 clinical social worker records list a practice address in Myrtle Beach

They are 64 of the 2,599 NPPES records with a practice address in Myrtle Beach, and 2,046 clinical social worker records in South Carolina. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,046 in South Carolina → Every provider in Myrtle Beach → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Patsy Alexander, MSW LISW-CPMyrtle Beach, SC 295771609032630
  2. Debra Carnosso, LCSW-R AND LISW-CPMyrtle Beach, SC 295771194891127
  3. Marcy Cates, LCSWMyrtle Beach, SC 295771033259718
  4. Carol Fletcher, MSWMyrtle Beach, SC 295771295952232
  5. Debbie Jackson, LISW-SMyrtle Beach, SC 295771346563350
  6. Mona JafarianMyrtle Beach, SC 295771841343589
  7. Lauren Killian, LISW-CPMyrtle Beach, SC 295771366653131
  8. Skye King, LCSWMyrtle Beach, SC 295771326372657

Common questions

What is William Henry Korthals, MSW, LCSW's NPI number?

William Henry Korthals, MSW, LCSW's National Provider Identifier (NPI) is 1972721124, issued on Apr 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Henry Korthals, MSW, LCSW located?

The NPPES record lists a practice address at 1800 Airpark Dr, Myrtle Beach, SC, 29577. Phone: (843) 301-3202. Providers update this record themselves, so call before visiting.

How can I verify William Henry Korthals, MSW, LCSW's license?

NPPES lists South Carolina license number 13050, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.