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

On Lok Senior Health Services

Organization Adult Day Care Clinic/Center · NPI 1801099734

On Lok Senior Health Services is an Adult Day Care Clinic/Center in San Francisco, California. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address checks out

4430 Mission St
San Francisco, CA 94112-1927
Phone: (415) 337-2858
Show map & directions

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

Specialties & licences

Adult Day Care Clinic/Center (primary) Taxonomy 261QA0600X

Record details

NPI number1801099734
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Grace Harper — Chief Executive Officer · (415) 292-8883
NPI enumeratedJune 7, 2007
Last updated in NPPESApril 24, 2024
Certification dateApril 24, 2024
Mailing address1333 Bush St, San Francisco, CA 94109-5611

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