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Mark Hampton Randolph, CSAC, CSIT, LADC

Mark Hampton Randolph is a Addiction (Substance Use Disorder) Counselor provider (Counselor) practicing in Hudson, WI, registered in the NPPES registry with NPI 1689454084 since 2023.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI 1689454084
Entity type Individual (Type 1)
Name Mark Hampton Randolph
Credential CSAC, CSIT, LADC
Sex Male
Practice address Hudson, WI, 54016
Phone 7155316210
Fax 7155316755
Enumeration date 2023-10-03
Last updated in NPPES 2023-10-03

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

Taxonomy & licenses

Taxonomy code Specialty Primary License State
101YA0400X Addiction (Substance Use Disorder) Counselor Primary 16008-132 WI
Copy-ready billing details
Provider: Mark Randolph, CSAC, CSIT, LADC
NPI: 1689454084
Taxonomy: 101YA0400X (Addiction (Substance Use Disorder) Counselor)
Address: Hudson, WI, 54016

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Verify this record

Cross-check NPI 1689454084 against the authoritative CMS record: view Mark Hampton Randolph on the official NPPES registry .

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. Read the full guide or validate an NPI number.

Frequently asked questions

What is the NPI number for Mark Randolph?
The National Provider Identifier (NPI) for Mark Randolph is 1689454084, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Randolph practice?
The practice location on file with NPPES is in Hudson, WI. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2023-10-03.