On Lok Senior Health Services - Adult Day Care Center in San Francisco, CA

On Lok Senior Health Services is a registry-listed adult day care center in San Francisco, CA (94133). No CMS quality rating is published for this listing; confirm licensing, services, and coverage directly with the provider.

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Location: view on OpenStreetMap

Contact information

Phone: 415-292-8650

Address: 1441 POWELL ST, San Francisco, CA 94133

County: San Francisco County

Registry identifiers

NPI1154524007
NUCC taxonomy code261QA0600X
NPI enumerated2007-06-07
NPPES last updated2022-05-13

From the CMS NPPES NPI registry. An NPI record is a registry listing, not a license, certification, or quality rating; confirm licensing with the state and the provider.

San Francisco County community profile

County population836,321
Residents age 65+143,605 (17.2%)
Median income, age 65+$179,857
Poverty rate, age 65+16.4%
Disability rate, age 65+34.1%
HUD 2-bedroom fair market rent$3,604

County-level context from the U.S. Census Bureau American Community Survey (2023 5-year estimates) and HUD Fair Market Rents. These figures describe the surrounding county, not On Lok Senior Health Services or its quality of care.

How to verify On Lok Senior Health Services

These providers are drawn from the CMS NPI registry (NPPES), which publishes provider identities and practice locations but no star ratings, inspection results, or quality measures. Before you rely on this listing, confirm licensing, services, eligibility, and cost directly with the provider. For Medicare-certified alternatives, use the CMS Care Compare link below.

Check Medicare-certified providers on CMS Care Compare →

Ownership & operation

Legal name: On Lok Senior Health Services. Provider type: Adult Day Care Center. Confirm current ownership and operation with the provider.

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About adult day care centers in San Francisco

Adult Day Care Centers listed here are drawn from the CMS NPI registry (NPPES), which records provider identities and practice locations. NPPES does not publish star ratings, inspections, or quality measures.

Confirm each provider's licensing, services, availability, and cost directly, since no CMS quality rating is published for these listings. For local alternatives, browse the Adult Day Care Centers directory for San Francisco, the San Francisco County adult day care centers list, or all care types in San Francisco.

For context, this directory lists 18 adult day care centers in San Francisco; 2 in ZIP 94133.

ZIP code: all care providers in ZIP 94133 · Adult Day Care Centers in ZIP 94133

Other adult day care centers in San Francisco

Adult Day Care Center Circle of Friends Adult Day Health Care, INC. San Francisco, CA 94115 Not CMS-rated Adult Day Care Center City & County of San Francisco San Francisco, CA 94116 Not CMS-rated Adult Day Care Center Dignity Health San Francisco, CA 94117 Not CMS-rated Adult Day Care Center Dr. Lawrence L Chao Professional Coroperation San Francisco, CA 94112 Not CMS-rated Adult Day Care Center Golden State Adult Day Health Care INC San Francisco, CA 94121 Not CMS-rated Adult Day Care Center Institute on Aging San Francisco, CA 94118 Not CMS-rated
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Nearest adult day care centers by distance

Adult Day Care Center On Lok Senior Health Services San Francisco, CA 94109 Not CMS-rated0.8 mi Adult Day Care Center North & South of Market Adult Day Health, INC. San Francisco, CA 94102 Not CMS-rated1.6 mi Adult Day Care Center North & South of Market Adult Day Health, INC. San Francisco, CA 94102 Not CMS-rated1.6 mi Adult Day Care Center UCSF San Francisco, CA 94115 Not CMS-rated1.8 mi Adult Day Care Center North and South of Market Adult Day Health CORP San Francisco, CA 94158 Not CMS-rated2.4 mi Adult Day Care Center North & South of Market Adult Day Health, INC. San Francisco, CA 94107 Not CMS-rated3.1 mi Adult Day Care Center On Lok Senior Health Services San Francisco, CA 94131 Not CMS-rated4.2 mi Adult Day Care Center Jewish Family & Children's Services San Francisco, CA 94122 Not CMS-rated4.9 mi

Straight-line distances estimated from ZIP-centroid coordinates, not driving distance. Confirm a provider's location directly.

Key facts

Care typeAdult Day Care Center
CMS ratingNot CMS-rated
Beds—
Ownership—
Provider typeAdult Day Care Center
Source record ID1154524007

Frequently asked questions

Is On Lok Senior Health Services rated by CMS?
No. On Lok Senior Health Services is listed as a registry-listed adult day care center in the CMS NPI registry (NPPES), which does not publish CMS star ratings, inspection results, or quality measures. Confirm licensing, services, and coverage directly with the provider.
Is On Lok Senior Health Services Medicare-certified?
This listing does not establish Medicare certification. On Lok Senior Health Services appears in the CMS NPI registry (NPPES) under record 1154524007. Confirm licensing, Medicare or Medicaid participation, and coverage directly with the provider.
Where is On Lok Senior Health Services located?
1441 POWELL ST, San Francisco, CA 94133. The provider is in San Francisco County. Contact phone: 415-292-8650.
Where does this information come from?
This listing comes from the CMS NPI registry (NPPES) (processing date 2026-10-06). It is not a CMS quality record. Confirm current details directly with the provider before making care decisions.
How many adult day care centers are near San Francisco?
This directory lists 18 adult day care centers in San Francisco, including 2 in ZIP 94133. The nearest listings, with estimated distances, are shown above.
What is the senior population of San Francisco County?
U.S. Census American Community Survey 2023 5-year estimates put the 65-and-over population of San Francisco County, CA at about 17.2% (roughly 143,605 residents), with a median income of $179,857 for that age group. This is county-level context, not information about this provider.

Data provenance

Source: CMS NPPES Data Dissemination V.2 (September 2026) (record npidata_pfile_20050523-20260913). Processing date: 2026-09-14. See the methodology page for normalization details. This profile is informational only and is not medical advice.

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Important disclosures

Informational only, not medical advice. This directory publishes public data and general information. It does not provide medical advice, diagnosis, or treatment recommendations, and it is not a substitute for consulting a qualified health care professional or Medicare.

Not affiliated. HealthcareFacilities.org is an independent, privately operated directory. It is not affiliated with, endorsed by, or operated by the Centers for Medicare & Medicaid Services (CMS), Medicare, or any government agency. CMS has not reviewed or endorsed this site.

Verify before you act. Facility information is derived from public federal datasets and may lag or contain errors. Always confirm current ratings, services, availability, and coverage directly with the provider and at Medicare.gov.

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