Organization
CORNERSTONE PSYCHOLOGIST, PS
Active
Organization subpart
No
Provider details
NPI number
Authorized official
JOHN ESTELLE (PRESIDENT)
(509) 455-8886
Entity
Organization
Contact information
Practice address
1525 W 8TH AVE, SPOKANE, WA 99204-3414
(509) 455-8886
(509) 455-8887
Mailing address
1525 W 8TH AVE, SPOKANE, WA 99204-3414
(509) 455-8886
(509) 455-8887
Taxonomy
Speciality
Code
Description
License number
State
103TC0700X
Clinical Psychologist
PY1950
WA
103TC0700X
Clinical Psychologist
PY2057
WA
363LP0808X
Psychiatric/Mental Health Nurse Practitioner
Primary
AP30005127
WA
Other
Enumeration date
05/05/2007
Last updated
09/11/2025
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