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Client services
Phone: 1.972.966.7300 or 1.855.500.8535
Email: clientservices@medfusionsvs.com
Client services Hours: 24/7/365
Billing Customer Service
Phone: 1.888.385.2154
Fax: 1.972.966.7227
Email: DGXMDFBillingDepartment@questdiagnostics.com
Hours of operation: Monday – Thursday, 8:00 AM – 5:00 PM (CT), Friday: 9:00 AM – 4:00 PM (CT)
Clinical trials
Phone: 1.972.966.7600 or 1.844.361.9641
Solid tumor hotline
The US Oncology Network and Texas Oncology Dedicated Hotline
Phone: 1.972.966.7050 or 1.844.966.7050
Hematopathology hotline
Phone: 1.877.384.9893
Corporate headquarters
med fusion
At the ConVergence Center
2501 South State Highway 121, Suite 1100
Lewisville, Texas 75067-8188
GPS / Map Coordinates Address:
420 West Round Grove Road
Lewisville, TX 75067
Phone: 1.972.966.7000 or
1.855.500.8535
Fax: 1.972-966-7227
Email: info@medfusionsvs.com
Office hours: Monday – Friday, 8:00 AM – 5:00 PM (CT)
Lab hours: 24/7/365