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Marshall Laboratory

Medical Testing & Screening

Marshall manages four clinical laboratories accredited by the College of American Pathologists. Each location is staffed by licensed phlebotomists. Our clinics are known for providing a friendly and comfortable experience for blood draws and other clinical lab tests performed by our expert staff.

At Marshall, 98% of our lab tests are processed internally, sending out only rare and unique tests.


681 Main Street, Suite 102
Placerville, CA 95667

Routine blood draw hours: Monday-Friday 6 a.m. – 5 p.m.

Specialized tests performed at this location include:

  • Drug Screen Collections
  • Evidential Breath Testing
  • Quantiferon Collections

Cameron Park

3581 Palmer Drive, Suite 301
Cameron Park, CA 95682

Hours: Monday-Friday 6 a.m.-5 p.m.

El Dorado Hills

5137 Golden Foothill Parkway, Suite 120
El Dorado Hills, CA 95762
916-933-8010 or 530-344-5400

Hours: Monday-Friday 7 a.m. - 3 p.m.
Routine blood draw services are offered on a walk-in basis, without appointments.


6065 Highway 193
Georgetown, CA 95634

Hours: Tuesday 7:40 a.m. - 11 p.m. and 1 - 3 p.m.

Please note: Marshall Laboratory Services are closed on the following holidays:

  • New Year's Day
  • President's Day
  • Memorial Day
  • Independence Day
  • Labor Day
  • Thanksgiving Day
  • Christmas Day