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

David Colburn Armstrong, MS, AMFT

Individual provider Marriage & Family Therapist · NPI 1023629102

David Colburn Armstrong, MS, AMFT is a Marriage & Family Therapist in San Francisco, California. Licensed in California. Registered with an NPI since 2020.

Licensed in
CA
In the registry since
2020
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

1385 Mission St Ste 200
San Francisco, CA 94103-2631
Phone: (415) 864-7833
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence AMFT120607 (CA)
Rehabilitation Practitioner Taxonomy 225400000X (CA)

Record details

NPI number1023629102
Entity typeIndividual (Type 1)
GenderMale
Credentials MS , AMFT
Sole proprietorNo
NPI enumeratedAugust 12, 2020
Last updated in NPPESAugust 3, 2026
Certification dateAugust 3, 2026

Other providers in San Francisco