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Individual
DOUGLAS L. ALLEN
Active
Individual
DOUGLAS L. ALLEN
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MHP
Taxonomy
Speciality
Code
Description
License number
State
101YA0400X
Addiction (Substance Use Disorder) Counselor
Primary
21082
IL
103K00000X
Behavior Analyst
—
—
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
7512-0001
—
IL
Enumeration date
12/23/2010
Last updated
07/25/2026
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