CLIA lookup
CLIA Labs in Merced, CA
Every lab with an active CLIA certificate at a city address, A to Z. Open a lab for its certificate dates.
75 labs in Merced, CA hold an active CLIA certificate in the CMS file posted October 16, 2026.
53 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 Merced, CA
| Lab ↑ | CLIA number | Certificate | Facility type |
|---|---|---|---|
| Provident Primary Care Inc | 05D2126191 | Waiver | Physician office |
| Reach (42) | 05D2280003 | Waiver | Ambulance |
| Samuel Loredo MD Inc | 05D0713153 | Waiver | Physician office |
| Satellite Healthcare Central Merced | 05D2219802 | Waiver | End stage renal disease dialysis facility |
| Satellite Healthcare Merced | 05D1106107 | Waiver | End stage renal disease dialysis facility |
| Sierra Medical Services Alliance | 05D2333867 | Waiver | Ambulance |
| Stanislaus Kidney & Hypertension | 05D2010313 | Waiver | Physician office |
| Timothy S Johnston MD PC | 05D2177342 | Waiver | Physician office |
| Timothy S Johnston MD PC | 05D2250801 | Waiver | Physician office |
| Timothy S Johnston MD PC | 05D2289274 | Waiver | Physician office |
| Timothy S Johnston MD, PC | 05D2316015 | Waiver | Physician office |
| Timothy S. Johnston, MD PC | 05D2133808 | Waiver | Physician office |
| Unilab Corp DBA Quest Diagnostics | 05D0644027 | Compliance | Independent |
| University of California Merced | 05D2033203 | PPM | School or student health service |
| University Pediatric Center | 05D0966374 | Waiver | Physician office |
| University Surgery Center | 05D1014882 | Compliance | Ambulatory surgery center |
| Valley Children's Medical Group | 05D2135800 | Waiver | Physician office |
| Valley Childrens Hospital | 05D0965462 | Accreditation | Hospital |
| Valley Prescription & Compounding | 05D2187540 | Waiver | Pharmacy |
| Verona Primary Care and Urgent Care | 05D0984822 | Waiver | Physician office |
| Walgreens 03330 | 05D2295679 | Waiver | Pharmacy |
| Walmart Pharmacy #10-2039 | 05D2340606 | Waiver | Pharmacy |
| Wellpath, Merced County Jail | 05D2144099 | Waiver | Other |
| Wellpath, Merced County Juvenile Hall | 05D2144078 | Waiver | Prison |
| Yosemite Pathology Medical Group | 05D0644024 | Compliance | Independent |
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 Merced, CA?
75 labs with a Merced address hold an active CLIA certificate in the CMS file posted October 16, 2026.
What certificates do Merced labs hold?
53 Certificate of Waiver, 12 Certificate for Provider-Performed Microscopy Procedures, 5 Certificate of Compliance, 4 Certificate of Accreditation, 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.