Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Helen Yolanda Clark, PH.D.

Clinical Social Worker in Moncks Corner, SC · enumerated 2006 · practices at Helen Y Clark Company.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1326099706

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Registry record

Entity type Individual (Type 1)

Name Dr. Helen Yolanda Clark

Credential PH.D.

Sex Female

Practice address Moncks Corner, SC, 29461

Phone (843) 761-5707

Fax (843) 899-2184

Enumeration date May 12, 2006

Last updated in NPPES Jul 19, 2013

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 410155 (SC) Secondary

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 606 (SC) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 2212 (SC) Primary

106H00000X Marriage & Family Therapist Behavioral Health & Social Service Providers · License 193 (SC) Secondary

PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers. About the PHD credential

Other identifiers

Identifier	Type	State	Issuer
QM0260	Medicaid	SC	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

How do I verify Helen Clark's NPI record?

Cross-check NPI 1326099706 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1326099706 active?

Yes, as of the latest NPPES snapshot, NPI 1326099706 is active (record last updated 2013-07-19).

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Helen Y Clark Company Clinical Social Worker · Moncks Corner, SC NPI 1366883464

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-07-19.