Individual provider · Type 1 NPI

Mark Alan Siar

Addiction (Substance Use Disorder) Counselor · Ridgeland, SC

NPI number 1174476774 Active

Practice location

124 Boardwalk Dr Ste A
Ridgeland, SC 29936-7994

Call (843) 645-2770 Map

Fax (843) 645-2771

Specialties and licenses

TaxonomyCodeLicense
Addiction (Substance Use Disorder) Counselor Primary 101YA0400XNone listed

Addiction (Substance Use Disorder) Counselor: Definition to come...

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About NPI 1174476774

Mark Alan Siar's National Provider Identifier is 1174476774, issued on Feb 16, 2026. The primary taxonomy on file is Addiction (Substance Use Disorder) Counselor (101YA0400X), and the practice location is in Ridgeland, SC. The record was last updated on Feb 16, 2026.