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Individual
MARK DEWITT LANYON
Active
Individual
MARK DEWITT LANYON
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
PHD
Taxonomy
Speciality
Code
Description
License number
State
101YA0400X
Addiction (Substance Use Disorder) Counselor
Primary
—
NULL
103TB0200X
Cognitive & Behavioral Psychologist
—
NULL
Other
Enumeration date
01/16/2007
Last updated
09/11/2025
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