Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Ian Winston Clark-Johnson

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1114558160

Ian Winston Clark-Johnson is an Addiction (Substance Use Disorder) Counselor in San Francisco, California. Licensed in California. Registered with an NPI since 2020.

Licensed in
CA
In the registry since
2020

Practice location Address checks out

1735 Mission St
San Francisco, CA 94103-2417
Phone: (415) 912-1827
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 8548 (CA)

Record details

NPI number1114558160
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJanuary 29, 2020
Last updated in NPPESJanuary 29, 2020
Certification dateJanuary 29, 2020

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