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

OVESTER ARMSTRONG JR.
NPI 1467919324
Clinic/Center - Health Service in San Francisco, CA

Active since February 27, 2019
3575 GEARY BLVD, SAN FRANCISCO, CA 94118(415) 750-4111 Get Directions Write a Review

NPPES record last updated: June 30, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 22, 2026, Feb 27, 2019 (2 updates tracked since 2019).

About Ovester Armstrong Jr. NPPES

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

OVESTER ARMSTRONG JR. (NPI 1467919324) is an individual health service provider in San Francisco, California and active in the NPI registry since February 2019. He maintains 3 additional practice locations.

NPPES Registry Identity

NPI1467919324
Entity TypeIndividualMale
Primary Taxonomy261QH0100X
Provider Legal NameOVESTER ARMSTRONG JR.
Location Address3575 GEARY BLVDSan Francisco, CA 94118-3212
Mailing Address869 Winnipeg CtTracy, CA 95304-5823 · (510) 846-0655
Sole ProprietorYes
Enumeration DateFebruary 27, 2019
Last NPPES UpdateJune 30, 20262 updates tracked since enumeration
NPPES CertifiedJune 30, 2026
NPI 1467919324 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinic/Center · Health ServiceAmbulatory Health Care Facilities
Taxonomy Code261QH0100X
3575 GEARY BLVD, San Francisco, CA 94118

Secondary Practice Locations 3

Location 13801 Miranda Ave # 5APalo Alto, CA 94304-1207 · Phone (651) 694-6000
Location 21 Washington SqSan Jose, CA 95192-1001 · Phone (408) 924-5678
Location 37777 E Freedom RdFrench Camp, CA 95231-9694 · Phone (209) 946-3400

Other Identifiers 1

Medicaid777857785CA

Other Providers at the Same Location NPPES 20

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

Case Management
3575 GEARY BLVD
SAN FRANCISCO, CA 94118
Social Worker (Clinical)
3575 GEARY BLVD
SAN FRANCISCO, CA 94118
Clinic/Center (Primary Care)
3575 GEARY BLVD
SAN FRANCISCO, CA 94118
Case Management
3575 GEARY BLVD
SAN FRANCISCO, CA 94118
In Home Supportive Care
3575 GEARY BLVD
SAN FRANCISCO, CA 94118
Internal Medicine (Geriatric Medicine)
3575 GEARY BLVD, FIRST FLOOR
SAN FRANCISCO, CA 94118
Family Medicine
3575 GEARY BLVD
SAN FRANCISCO, CA 94118
Registered Nurse
3575 GEARY BLVD
SAN FRANCISCO, CA 94118

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 Ovester Armstrong's NPI number?

The NPI number for Ovester Armstrong is 1467919324. It was assigned to this individual provider in the NPPES registry on February 27, 2019.

Where is Ovester Armstrong located?

Ovester Armstrong practices at 3575 Geary Blvd, San Francisco, CA 94118. The listed phone number is (415) 750-4111.

What is Ovester Armstrong's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Health Service, with taxonomy code 261QH0100X.

When was this NPI record last updated?

The NPPES record for Ovester Armstrong was last updated on June 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 38 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.