LabCorp Locations At John Muir Health 

As a convenience to our patients, we offer access to lab services through Laboratory Corporation of America (LabCorp) at certain John Muir Health locations. We hope you’ll enjoy the convenience of their services when visiting us, but you’re always free to choose another lab services provider, based on insurance coverage or personal preference. 

For online services related to lab work done at LabCorp—such as scheduling an appointment, viewing your results, or paying your bill online—visit LabCorp

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John Muir Medical Center, Walnut Creek
1601 Ygnacio Valley Road
Walnut Creek, CA 94598

Lab Services Phone: (925) 933-2083
Lab Services Fax: (925) 933-2085

Hours:
Monday-Friday 6:00AM-9:00PM
Saturday 7:00AM-4:30PM
Sunday 7:00AM-3:30PM

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John Muir Medical Center, Concord
2540 East Street
Concord, CA 94520

Lab Services Phone: (925) 825-1723
Lab Services Fax: (925) 825-1749

Hours:
Monday-Friday 7:00AM-5:00PM
Saturday 8:00AM-12:00PM

John Muir Health Outpatient Center, Brentwood

2400 Balfour Road, Suite 100, Brentwood, CA 94513 (925) 513-6093
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John Muir Health Outpatient Center, Brentwood
2400 Balfour Road, Suite 100
Brentwood, CA 94513

Lab Services Phone: (925) 513-6093
Lab Services Fax: (925) 513-6179

Hours:
Monday-Friday 7:00AM-6:00PM
Saturday 7:00AM-11:00AM

John Muir Health Outpatient Center, Walnut Creek

2700 Grant Street, Suite 107, Concord, CA 95520 (925) 692-2059
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John Muir Health Outpatient Center, Concord
2700 Grant Street, Suite 107
Concord, CA 94520

Lab Services Phone: (925) 692-2059
Lab Services Fax: (925) 692-2061

Hours:
Monday-Friday 8:00AM-9:00PM
Saturday 8:00AM-12:00PM

John Muir Health Outpatient Center, Pleasanton

5860 Owens Drive, Suite 120, Pleasanton, CA 94588 (925) 460-9401
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John Muir Health Outpatient Center, Pleasanton
5860 Owens Drive, Suite 120
Pleasanton, CA 94588

Lab Services Phone: (925) 460-9401
Lab Services Fax: (925) 460-9409

Hours:
Monday-Friday 7:30AM-4:30PM

John Muir Health Outpatient Center, Tice Valley/Rossmoor

1220 Rossmoor Parkway, Walnut Creek, CA 94595 (925) 979-9010
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John Muir Health Outpatient Center, 
Tice Valley/Rossmoor

1220 Rossmoor Parkway
Walnut Creek, CA 94595

Lab Services Phone: (925) 979-9010
Lab Services Fax: (925) 979-9012

Hours:
Monday-Friday 7:30AM-5:00PM

John Muir Health Outpatient Center, Walnut Creek

1450 Treat Blvd., Walnut Creek, CA 94597 (925) 937-1954
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John Muir Health Outpatient Center, Walnut Creek
1450 Treat Boulevard
Walnut Creek, CA 94597

Lab Services Phone: (925) 937-1954
Lab Services Fax: (925) 937-1968

Hours:
Monday-Friday 6:30AM-9:00PM
Saturday 8:00AM-5:00PM
Sunday 9:00AM-5:00PM