Individual provider · Type 1 NPI

Mark Dewitt Lanyon, PhD

Addiction (Substance Use Disorder) Counselor · Wilmington, DE

NPI number 1417008137 Active

Practice location

2814 W 2nd St
Wilmington, DE 19805-1807

Fax (302) 472-0392

Specialties and licenses

TaxonomyCodeLicense
Cognitive & Behavioral Psychologist 103TB0200XNone listed
Addiction (Substance Use Disorder) Counselor Primary 101YA0400XNone listed

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

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About NPI 1417008137

Mark Dewitt Lanyon, PhD's National Provider Identifier is 1417008137, issued on Jan 16, 2007. The primary taxonomy on file is Addiction (Substance Use Disorder) Counselor (101YA0400X), and the practice location is in Wilmington, DE. The record was last updated on Sep 11, 2025.