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

Alexander Locust, MS

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1023465325

Alexander Locust, MS is an Addiction (Substance Use Disorder) Counselor in San Francisco, California. Licensed in California. Registered with an NPI since 2016.

Licensed in
CA
In the registry since
2016
Specialties on file
3
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1035 Market St #400
San Francisco, CA 94103-1600
Phone: (415) 487-3100
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 4865 (CA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X
Mental Health Counselor Taxonomy 101YM0800X

Record details

NPI number1023465325
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorNo
NPI enumeratedMay 17, 2016
Last updated in NPPESMarch 12, 2018

Other providers in San Francisco