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

Dr. Jessica Armstrong, PHD

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1396122966

Dr. Jessica Armstrong, PHD is an Addiction (Substance Use Disorder) Counselor in Oakland, California. Licensed in California. Registered with an NPI since 2015.

Licensed in
CA
In the registry since
2015
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

886 55th St
Oakland, CA 94608-3235
Phone: (650) 731-5022
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence PSY30502 (CA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X

Record details

NPI number1396122966
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorNo
NPI enumeratedMay 1, 2015
Last updated in NPPESSeptember 28, 2021
Certification dateSeptember 28, 2021

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