1,955 NPI-registered Clinical Medical Laboratory providers practice in California. Switch states in the rail, or open the full search to filter by city and credential.
| Provider | Specialty | Location | NPI |
|---|---|---|---|
| 100 Plaza Clinical Lab Inc | Clinical Medical Laboratory | Los Angeles, CA | 1194834028 |
| 1care Medical Diagnostics | Clinical Medical Laboratory | Benicia, CA | 1366057630 |
| 1st Capital Bio Lab, LLC |
| Clinical Medical Laboratory |
| Murrieta, CA |
| 1891492112 |
| 1st Choice Medical Equipment Inc | Clinical Medical Laboratory | Northridge, CA | 1275867558 |
| 1st Premier Bio Lab LLC | Clinical Medical Laboratory | Inglewood, CA | 1750037248 |
| 21053 Devnshire 106 | Clinical Medical Laboratory | Chatsworth, CA | 1245697655 |
| 21st Century Diagnostic Laboratory, Inc. | Clinical Medical Laboratory | Burbank, CA | 1407861990 |
| 2901 Enterprises, LLC | Clinical Medical Laboratory | Los Angeles, CA | 1730844986 |
| 911 Labs Inc | Clinical Medical Laboratory | Santa Monica, CA | 1285360693 |
| 911covidtesting Inc | Clinical Medical Laboratory | Santa Monica, CA | 1952067027 |
| A & T Neurological Center, Inc | Clinical Medical Laboratory | Sherman Oaks, CA | 1679960058 |
| A C W Medical Products Inc | Clinical Medical Laboratory | Downey, CA | 1326144031 |
| A R T Reproductive Center, Inc. | Clinical Medical Laboratory | Beverly Hills, CA | 1073703237 |
| A&s Diagnostic Inc. | Clinical Medical Laboratory | Inglewood, CA | 1457473977 |
| A1 Sleep LLC | Clinical Medical Laboratory | Irvine, CA | 1720625403 |
| Aa Diagnostic Lab | Clinical Medical Laboratory | Encino, CA | 1649913351 |
| Abacus Business Corporation Group Inc. | Clinical Medical Laboratory | Los Angeles, CA | 1821091067 |
| Absolute Diagnostics, LLC | Clinical Medical Laboratory | San Diego, CA | 1104109453 |
| Absolute Sleep Centers LLC | Clinical Medical Laboratory | Victorville, CA | 1134533888 |
| Abt Labs LLC | Clinical Medical Laboratory | Beaumont, CA | 1346904760 |
| Accatur Diagnostics II LLC | Clinical Medical Laboratory | Irvine, CA | 1033421490 |
| Access Laboratories, Inc | Clinical Medical Laboratory | Glendale, CA | 1902048218 |
| Acculab Inc | Clinical Medical Laboratory | Costa Mesa, CA | 1215718168 |
| Acculabs, LLC | Clinical Medical Laboratory | Fresno, CA | 1578313623 |
| Accumed Laboratories, LLC | Clinical Medical Laboratory | Burbank, CA | 1568357770 |
| Accupath Diagnostic Laboratories Inc | Clinical Medical Laboratory | Fresno, CA | 1598957631 |
| Accupath Diagnostic Laboratories, Inc | Clinical Medical Laboratory | Tustin, CA | 1235132846 |
| Accupath Diagnostic Laboratories, Inc | Clinical Medical Laboratory | Tustin, CA | 1427035799 |
| Accupath Diagnostic Laboratories, Inc. | Clinical Medical Laboratory | Fremont, CA | 1710723846 |
| Accurate Clinical Laboratory Corp. | Clinical Medical Laboratory | Walnut, CA | 1861138802 |
| Accurate Med Management, LLC | Clinical Medical Laboratory | Loma Linda, CA | 1962774844 |
| Accusense Health Inc. | Clinical Medical Laboratory | San Diego, CA | 1417608472 |
| Accutox LLC | Clinical Medical Laboratory | San Diego, CA | 1407178650 |
| Act Diagnostic Solutions LLC | Clinical Medical Laboratory | Vista, CA | 1164105029 |
| Adela, Inc. | Clinical Medical Laboratory | Foster City, CA | 1043021272 |
| Adeve | Clinical Medical Laboratory | Montebello, CA | 1518621366 |
| Aditi DastaneMD | Clinical Medical Laboratory | Los Angeles, CA | 1114151644 |
| Adj Corporation | Clinical Medical Laboratory | Santa Fe Springs, CA | 1124050380 |
| Advance Biometrix, LLC | Clinical Medical Laboratory | Santa Clara, CA | 1093267023 |
| Advance Care Diagnostics | Clinical Medical Laboratory | Fresno, CA | 1487301370 |
| Advance Sleep Center Inc | Clinical Medical Laboratory | Burbank, CA | 1437578291 |
| Advanced Biomedical, Inc. | Clinical Medical Laboratory | Santa Ana, CA | 1518039486 |
| Advanced Diagnostic Services LLC | Clinical Medical Laboratory | Burbank, CA | 1760109631 |
| Advanced Diagnostics Lab LLC | Clinical Medical Laboratory | Laguna Hills, CA | 1942608195 |
| Advanced Family Care Medical Laboratory | Clinical Medical Laboratory | Los Angeles, CA | 1184047748 |
| Advanced Medical Analysis, LLC | Clinical Medical Laboratory | Monrovia, CA | 1518002898 |
| Advanced Reproductive Healthcare Center | Clinical Medical Laboratory | San Gabriel, CA | 1659546166 |
| Advanced Reproductive Technologies of Santa Barbara, LLC | Clinical Medical Laboratory | Santa Barbara, CA | 1942999669 |
| Advanced Sleep Medicine Services Inc | Clinical Medical Laboratory | Los Angeles, CA | 1134371289 |
| Adventus Education LLC | Clinical Medical Laboratory | Fairfield, CA | 1154941284 |
| Aeron Biotechnology Inc | Clinical Medical Laboratory | San Leandro, CA | 1528162104 |
| Affinity Health Solutions Inc | Clinical Medical Laboratory | Granite Bay, CA | 1922450691 |
| Afmc Diamond Lab | Clinical Medical Laboratory | Diamond Bar, CA | 1194493007 |
| Agathos Laboratories, Inc. | Clinical Medical Laboratory | Santa Clara, CA | 1154675742 |
| Agendia Inc | Clinical Medical Laboratory | Irvine, CA | 1821253584 |
| Ah Diagnostics Lab | Clinical Medical Laboratory | Santa Clarita, CA | 1659915049 |
| Ahi Solutions, Inc. | Clinical Medical Laboratory | Oakland, CA | 1568694792 |
| Ahsan BaseerPH.D., MT(ASCP), CLS | Clinical Medical Laboratory | Corona, CA | 1760641690 |
| Aima Labs Inc | Clinical Medical Laboratory | North Hollywood, CA | 1568042240 |
| Aja Lab LLC | Clinical Medical Laboratory | Los Angeles, CA | 1437565264 |
| Ajeeth, Inc. | Clinical Medical Laboratory | Rancho Palos Verdes, CA | 1417541350 |
| Akaal Organics LLC | Clinical Medical Laboratory | Long Beach, CA | 1003429945 |
| Alameda County Public Health Laboratory | Clinical Medical Laboratory | Oakland, CA | 1487876116 |
| Alberto Ahumada | Clinical Medical Laboratory | Hemet, CA | 1871442764 |
| Alcala Pharmaceutical Inc. | Clinical Medical Laboratory | San Diego, CA | 1255656153 |
| Alcheme LLC | Clinical Medical Laboratory | Irvine, CA | 1114665346 |
| Aleph Lab, LLC | Clinical Medical Laboratory | Walnut Creek, CA | 1861138273 |
| Alfred J Reynaud | Clinical Medical Laboratory | Oakland, CA | 1891907150 |
| Algos Inc., a Medical Corporation | Clinical Medical Laboratory | Pasadena, CA | 1699169961 |
| Alka R Kothari MD Inc | Clinical Medical Laboratory | Orange, CA | 1114258464 |
| All American Diagnostics, Inc. | Clinical Medical Laboratory | Encino, CA | 1912317066 |
| Allergy Laboratory | Clinical Medical Laboratory | Tarzana, CA | 1184854119 |
| Allergy Testing Lab, Inc. | Clinical Medical Laboratory | Burbank, CA | 1770670929 |
| Alliance Toxicology Hawaii LLC | Clinical Medical Laboratory | Laguna Beach, CA | 1083971774 |
| Alliance Toxicology LLC | Clinical Medical Laboratory | Santa Ana, CA | 1164759650 |
| Alliancerx Health Solutions, LLC. | Clinical Medical Laboratory | Rancho Cucamonga, CA | 1932722444 |
| Alliant Sleep, LLC | Clinical Medical Laboratory | Rancho Cucamonga, CA | 1467405480 |
| Allied Laboratories, Inc. | Clinical Medical Laboratory | Mountain View, CA | 1942464706 |
| Allied Medical Laboratory Inc | Clinical Medical Laboratory | Pasadena, CA | 1922950245 |
| Allied Reference Laboratory | Clinical Medical Laboratory | Redlands, CA | 1396402509 |
| Alliedpath | Clinical Medical Laboratory | San Diego, CA | 1598098238 |
| Allstate Investment Realty Inc | Clinical Medical Laboratory | Toluca Lake, CA | 1487600565 |
| Allstate Lab | Clinical Medical Laboratory | Sherman Oaks, CA | 1225838196 |
| Alpha Clinical Laboratory, Inc. | Clinical Medical Laboratory | Burbank, CA | 1043352586 |
| Alpha Genetics LLC | Clinical Medical Laboratory | Montebello, CA | 1831975317 |
| Alta Diagnostic Laboratories, Inc | Clinical Medical Laboratory | Altadena, CA | 1063180354 |
| Alta East Bay Pathology, Inc. | Clinical Medical Laboratory | Oakland, CA | 1316909559 |
| Alta East Bay Pathology, Inc. | Clinical Medical Laboratory | Oakland, CA | 1578514196 |
| Altera Laboratory Services Limited Liability Company | Clinical Medical Laboratory | Irvine, CA | 1568981124 |
| Alternative & Complementary Medicine, Inc. | Clinical Medical Laboratory | Laguna Hills, CA | 1043534134 |
| Alternative Solutions Group LLC | Clinical Medical Laboratory | Culver City, CA | 1003564196 |
| Altheadx, Inc. | Clinical Medical Laboratory | San Diego, CA | 1528490240 |
| Alto Sleep | Clinical Medical Laboratory | Mountain View, CA | 1205010105 |
| Amadalis Investments | Clinical Medical Laboratory | Foster City, CA | 1437577871 |
| Ambry Genetics Corporation | Clinical Medical Laboratory | Aliso Viejo, CA | 1861568784 |
| Ambs Diagnostics | Clinical Medical Laboratory | Pasadena, CA | 1366760522 |
| Ambula Diagnostics LLC | Clinical Medical Laboratory | Sherman Oaks, CA | 1215724968 |
| Ameri Labpro Inc | Clinical Medical Laboratory | Torrance, CA | 1568169266 |
| American Clinical Reference Laboratory Inc. | Clinical Medical Laboratory | Walnut, CA | 1568555134 |
| American Medical Diagnostic Lab | Clinical Medical Laboratory | Garden Grove, CA | 1750632550 |
Source: CMS NPPES Data Dissemination (June 2026). Specialty taxonomy: NUCC.
