CLIA lookup
CLIA Labs in Ontario, CA
Every lab with an active CLIA certificate at a city address, A to Z. Open a lab for its certificate dates.
81 labs in Ontario, CA hold an active CLIA certificate in the CMS file posted October 16, 2026.
73 hold a Certificate of Waiver.
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
License: a US government work, in the public domain (Public Domain Mark 1.0).
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CLIA Labs in Ontario, CA
| Lab ↑ | CLIA number | Certificate | Facility type |
|---|---|---|---|
| Abid H Khan, MD Professional Corp | 05D2009510 | Waiver | Physician office |
| Adept Home Health Services, Inc | 05D0930014 | Waiver | Home health agency |
| Aegis Treatment Centers, LLC | 05D0686990 | Waiver | Other |
| Aesthetic Physicians of California, Inc | 05D2128413 | Waiver | Physician office |
| Agape Group, Inc | 05D2096625 | Waiver | Hospice |
| Allcare Health Services, LLC | 05D2274064 | Waiver | Home health agency |
| Alpha Home Health | 05D1083830 | Waiver | Home health agency |
| Ascendio Health Systems Inc | 05D2060750 | Waiver | Hospice |
| Beacon Hospice Care | 05D2078740 | Waiver | Hospice |
| Best Home Health Care, Inc | 05D2018084 | Waiver | Home health agency |
| Bridge Home Health Services | 05D2160475 | Waiver | Home health agency |
| Brio Clinical Inc | 05D2182047 | Compliance | Independent |
| Bristol Hospice Inland Valley LLC | 05D2088162 | Waiver | Hospice |
| Brookdale North Euclid | 05D2213824 | Waiver | Assisted living facility |
| California Kidney Specialists | 05D2137238 | Waiver | Physician office |
| California Medical Clinic of Inland Empire | 05D0865896 | Waiver | Physician office |
| Cardinal Home Health Care | 05D1063022 | Waiver | Home health agency |
| Carefirst Medical Group Inc | 05D1060440 | Waiver | Physician office |
| Catareya Liep, MD, Inc. | 05D2048965 | Waiver | Physician office |
| Central Occupational Medicine Providers | 05D2161546 | Waiver | Industrial |
| Concentra - Ontario Airport | 05D0998532 | Waiver | Physician office |
| Concentra - Ontario South (Grove) | 05D0998531 | Waiver | Physician office |
| Concentra-Ontario | 05D1078439 | Waiver | Physician office |
| Concentra-Qvc Inc. Onsite | 05D2219986 | Waiver | Physician office |
| Cruz Home Health Care, LLC | 05D2316166 | Waiver | Home health agency |
| Dermatology Bar, A Med Corp, the | 05D2348843 | Registration | Physician office |
| Dialysis Center of Ontario, LLC | 05D1083833 | Waiver | End stage renal disease dialysis facility |
| Dignity Hospice | 05D2167956 | Waiver | Hospice |
| Empire Surgical Center | 05D2284591 | Waiver | Ambulatory surgery center |
| Femcare Medical Assoc | 05D0942576 | Waiver | Physician office |
| Guardian Angel Home Care, Inc. | 05D2024889 | Waiver | Home health agency |
| Guardian Angel Hospice Care | 05D2105022 | Waiver | Hospice |
| Imhotep, Inc. DBA Presidential Care Home Health | 05D2142826 | Waiver | Home health agency |
| Jdmd Clinics, Apc | 05D2197096 | Waiver | Physician office |
| Kaiser Foundation Hospital | 05D2031198 | Accreditation | Hospital |
| Kaiser Foundation Hospital Fontana, | 05D2026781 | PPM | Health maintenance organization |
| Kaiser Foundation Hospital Laboratory-Ontario | 05D1025027 | Accreditation | Hospital |
| Kindred Hospital Ontario | 05D0564022 | Accreditation | Hospital |
| Las Colinas Post Acute | 05D0713335 | Waiver | Skilled nursing or nursing facility |
| Las Palmas Medical Clinic | 05D1078443 | Waiver | Physician office |
| Medcor Clinic @ Target Fulfilment Center | 05D2106489 | Waiver | Industrial |
| Mid Valley Surgery Center, LLC | 05D2012132 | Waiver | Ambulatory surgery center |
| Mission Adult Day Health Care Center | 05D1013897 | Waiver | Skilled nursing or nursing facility |
| Mission Home Health of Ontario, LLC | 05D2108929 | Waiver | Home health agency |
| Napcc Nurse Office | 05D2219115 | Waiver | Physician office |
| New Creation Addiction Treatment Center | 05D2242712 | Waiver | Comprehensive outpatient rehab facility |
| Nurses Care Hospice Inc | 05D2290040 | Waiver | Hospice |
| Nvision Eye Centers | 05D2308552 | Waiver | Physician office |
| Ontario Dialysis Center Inc | 05D1057592 | Waiver | End stage renal disease dialysis facility |
| Ontario Grove Healthcare & | 05D0867157 | Waiver | Skilled nursing or nursing facility |
Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page
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Questions
How many CLIA labs are in Ontario, CA?
81 labs with a Ontario address hold an active CLIA certificate in the CMS file posted October 16, 2026.
What certificates do Ontario labs hold?
73 Certificate of Waiver, 3 Certificate of Accreditation, 2 Certificate of Compliance, 2 Certificate for Provider-Performed Microscopy Procedures, 1 Certificate of Registration.
What does a CLIA number look like?
Ten characters: two digits, the letter D, then seven digits (for example 45D2100035). CMS assigns one to each laboratory certificate under the Clinical Laboratory Improvement Amendments.