Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DAVID COLBURN ARMSTRONG MS, AMFT
NPI 1023629102
Marriage & Family Therapist in San Francisco, CA

Active since August 12, 2020
1385 MISSION ST STE 200, SAN FRANCISCO, CA 94103(415) 864-7833 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 3, 2026, May 17, 2021, Aug 12, 2020 (3 updates tracked since 2020).

About David Colburn Armstrong Ms, Amft NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAVID COLBURN ARMSTRONG MS, AMFT (NPI 1023629102) is an individual marriage & family therapist in San Francisco, California, licensed in California (AMFT120607) and active in the NPI registry since August 2020.

NPPES Registry Identity

NPI1023629102
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameDAVID COLBURN ARMSTRONGCredential: MS, AMFT
Location Address1385 MISSION ST STE 200San Francisco, CA 94103-2631
Mailing Address1385 Mission St Ste 200San Francisco, CA 94103-2631 · (415) 864-7833 · Fax (415) 864-7093
Sole ProprietorNo
Enumeration DateAugust 12, 2020
Last NPPES UpdateAugust 3, 20263 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
NPI 1023629102 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License Licensed in CA · AMFT120607
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
Also ListedRehabilitation PractitionerTaxonomy 225400000X
1385 MISSION ST STE 200, San Francisco, CA 94103

Other Names 1

Other Name (5)Cole Armstrong Ms, Amft

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Community Health Worker
1385 MISSION ST STE 200
SAN FRANCISCO, CA 94103
Community Health Worker
1385 MISSION ST STE 200
SAN FRANCISCO, CA 94103
Psychologist (Clinical)
1385 MISSION ST STE 200
SAN FRANCISCO, CA 94103
Rehabilitation Practitioner
1385 MISSION ST STE 200
SAN FRANCISCO, CA 94103
Rehabilitation Practitioner
1385 MISSION ST STE 200
SAN FRANCISCO, CA 94103
Community Health Worker
1385 MISSION ST STE 200
SAN FRANCISCO, CA 94103
Social Worker (Clinical)
1385 MISSION ST STE 200
SAN FRANCISCO, CA 94103
Community Health Worker
1385 MISSION ST STE 200
SAN FRANCISCO, CA 94103

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David Armstrong's NPI number?

The NPI number for David Armstrong is 1023629102. It was assigned to this individual provider in the NPPES registry on August 12, 2020. The provider is also known as Cole Armstrong Ms, Amft.

Where is David Armstrong located?

David Armstrong practices at 1385 Mission St Ste 200, San Francisco, CA 94103. The listed phone number is (415) 864-7833.

What is David Armstrong's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for David Armstrong was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.