Individual
MS. SANDRA K. SIEFKEN
Active
Sole proprietor
Yes
Provider details
NPI number
Gender
F
Credential
LPC, LISAC
Contact information
Practice address
4901 W BELL RD, SUITE 2, GLENDALE, AZ 85308-3465
(602) 863-0277
(602) 843-8028
Mailing address
4901 W BELL RD, SUITE 2, GLENDALE, AZ 85308-3465
(602) 863-0277
(602) 843-8028
Taxonomy
Speciality
Code
Description
License number
State
101Y00000X
Counselor
LPC10450
AZ
101YA0400X
Addiction (Substance Use Disorder) Counselor
Primary
LISAC1477
AZ
Other
Enumeration date
09/20/2006
Last updated
09/11/2025
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