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Search › California › Addiction (Substance Use Disorder) Counselor

Griffen Halko, LAADC

NPI 1952228520 · on the registry since 2026

Practice

Address
250 W 1st St Ste 250
Claremont, CA 91711
Phone
(909) 624-1997
Organisation at this address
S Acupuncture
Therapy With Nancy
Claremont Psychotherapy
Daniel S Smith Phd Inc Apc
Simple Speech Therapy, Inc.
Inferred from a shared address, not stated in the registry.
Clinicians at this address
44

Registry record

Primary taxonomy
Addiction (Substance Use Disorder) Counselor
101YA0400X
Licence states on file
CA
From the registry's licence fields, which are often incomplete.
Sex
Male
Record last updated
2026-07-02

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California