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MR. WILLIAM HENRY KORTHALS III MSW, LCSW
NPI 1972721124
Social Worker - Clinical in Myrtle Beach, SC

Active since April 23, 2007PECOS Enrolled
1800 AIRPARK DR, MYRTLE BEACH, SC 29577(843) 301-3202 Get Directions Write a Review

NPPES record last updated: March 21, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 21, 2025, Jan 12, 2023, Jun 4, 2019 (3 updates tracked since 2019).

About Mr. William Henry Korthals Iii Msw, Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. WILLIAM HENRY KORTHALS III MSW, LCSW (NPI 1972721124) is an individual clinical provider in Myrtle Beach, South Carolina, licensed in South Carolina (13050) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Murrells Inlet, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1972721124
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. WILLIAM HENRY KORTHALS IIICredential: MSW, LCSW
Location Address1800 AIRPARK DRMyrtle Beach, SC 29577-1412
Mailing Address250 Southern Breezes CirMurrells Inlet, SC 29576-9390 · (716) 517-1394
Phone(843) 301-3202
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateApril 23, 2007
Last NPPES UpdateMarch 21, 20253 updates tracked since enumeration
NPPES CertifiedMarch 21, 2025
✔ NPI 1972721124 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses✔ Licensed in SC · 13050✔ Licensed in DE · Q1-0001104✔ Licensed in NY · 061583
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
1800 AIRPARK DR, Myrtle Beach, SC 29577
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Secondary Practice Location 1

Location 1250 SOUTHERN BREEZES CIRMURRELLS INLET, SC 29576-9390 · Phone (716) 517-1394

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Highmark Blue Cross Blue Shield Delaware, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. William Henry Korthals Iii Msw, Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2567967185
PECOS Enrollment IDI20250924004838
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29577 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $53.57 – $163.84
Typical copayment $0.00 (range $13.39 – $40.96)
Most-billed visit code NA
Established Patient
$67.12 typical visit price
range $16.96 – $133.52
Typical copayment $16.78 (range $4.24 – $33.38)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. DANIELLE KARIN BROWN NP
Nurse Practitioner (Family)
1800 AIRPARK DR
MYRTLE BEACH, SC 29577
Horry County (843) 477-0177
MRS. GEANA ANEICE MCNEAL LMSW
Social Worker
1800 AIRPARK DR
MYRTLE BEACH, SC 29577
Horry County (843) 477-0177
MR. THEODORE LEE HUDSON SR. LPN
Licensed Practical Nurse
1800 AIRPARK DR
MYRTLE BEACH, SC 29577
Horry County (910) 260-9658
BHAVNITA N PANKHANIA M.D
Internal Medicine
1800 AIRPARK DR
MYRTLE BEACH, SC 29577
Horry County (843) 577-5011
DR. AMIR ALI AHMADZADEH DO
Internal Medicine
1800 AIRPARK DR
MYRTLE BEACH, SC 29577
Horry County (843) 477-0177
CARLIE YEARWOOD LISW-CP
Social Worker (Clinical)
1800 AIRPARK DR
MYRTLE BEACH, SC 29577
Horry County (843) 477-0177
ELLIE THOMPSON PHARM.D.
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1800 AIRPARK DR
MYRTLE BEACH, SC 29577
Horry County (843) 477-0177
SKYE LEIGH KING LCSW
Social Worker (Clinical)
1800 AIRPARK DR
MYRTLE BEACH, SC 29577
Horry County (843) 477-0177

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Korthals's NPI number?

The NPI number for William Korthals is 1972721124. It was assigned to this individual provider in the NPPES registry on April 23, 2007.

Where is William Korthals located?

William Korthals practices at 1800 Airpark Dr, Myrtle Beach, SC 29577. The listed phone number is (843) 301-3202.

What is William Korthals's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is William Korthals enrolled in Medicare?

Yes. William Korthals is registered in the Medicare PECOS enrollment system.

What insurance does William Korthals accept?

Health plans from Blue Cross and Blue Shield of Texas, Highmark Blue Cross Blue Shield Delaware and UnitedHealthcare list William Korthals as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Korthals was last updated on March 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.