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Individual
DR. JOHN B HAMANN
Active
Individual
DR. JOHN B HAMANN
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
ED D
Taxonomy
Speciality
Code
Description
License number
State
103TA0700X
Adult Development & Aging Psychologist
371-057
WI
103TC2200X
Clinical Child & Adolescent Psychologist
Primary
371-057
WI
103TF0200X
Forensic Psychologist
371-057
WI
Other
Other identifiers
Code
Description
Identifier
Issuer
State
01
—
19G68HA
BCBS OF MN
MN
05
—
39062200
—
WI
Enumeration date
08/30/2006
Last updated
09/11/2025
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