NPI Portal NPI Lookup & Verification

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

Mr. Marco Fukuyama Williams, MA

Mental Health Counselor in Cayce, SC · enumerated 2023.

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

National Provider Identifier

1881394120

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Registry record

Entity type Individual (Type 1)
Name Mr. Marco Fukuyama Williams
Credential MA
Sex Male
Practice address Cayce, SC, 29033
Enumeration date Mar 6, 2023
Last updated in NPPES Mar 6, 2023

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

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers Primary

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

What is the NPI number for Marco Williams?
The National Provider Identifier (NPI) for Marco Williams is 1881394120, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marco Williams practice?
The practice location on file with NPPES is in Cayce, SC. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-06.