Quest Diagnostics

Lab Testing at Rocky Mountain Drug Testing Llc

Drug testing partner location in Casper, WY 82604.

Partner Location

This location is part of Quest's partner network. Services and availability may differ from a standard Quest Patient Service Center. Please call 307-315-5858 before visiting to confirm they accept your lab order.

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Note: tests available at this location depend on its services. Confirm by calling before visiting.

Address

4658 W Yellowstone Hwy
Casper, WY 82604
Natrona County

307-315-5858

Hours

Monday	8:30 AM – 5:00 PM
Tuesday	8:30 AM – 5:00 PM
Wednesday	8:30 AM – 5:00 PM
Thursday	8:30 AM – 5:00 PM
Friday	8:30 AM – 5:00 PM
Saturday	Closed
Sunday	Closed

Nearby alternatives

LabCorp Casper
940 E 3rd St 107, Casper, WY 82601
3.6 mi
Broad Reach Health & Wellness Llc
1988 E 1st St, Casper, WY 82601
4.3 mi
Broad Reach Health & Wellness
1988 E 1st St Suite A, Casper, WY 82601
4.3 mi
The Annex Empl Testing & Wellness Ctr
120 S Forest Dr, Casper, WY 82609
5.2 mi
Bestmed Urgent Care - Laramie
3810 E Grand Ave, Laramie, WY 82070
115 mi

About this location

Drug testing partner location. Quest Diagnostics operates one of the largest networks of clinical laboratories in the United States, offering a wide range of diagnostic tests for patients, physicians, and employers.

Listing last updated 2026-04-25.