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Quest Diagnostics

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Lab testing, laboratory and office locations around the world

Quest Diagnostics has headquarters in the U.S. and operations in India, Ireland, and Mexico. Our products and services are used by customers in over 130 countries. We also collaborate with many international diagnostic laboratories, hospitals and clinics to help improve human health around the world.

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Carbon Health - Westminster (Preferred)

10435 Reed St,

Broomfield, CO 80021

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2.32 mi away

303-276-0297
Monday: 9:00 am-2:30 pm
Tuesday: 9:00 am-2:30 pm
Wednesday: 9:00 am-2:30 pm
Thursday: 9:00 am-2:30 pm
Friday: 9:00 am-2:30 pm
Saturday: 9:00 am-2:30 pm
Sunday: 9:00 am-2:30 pm
Metro Testing & Evaluations (Preferred)

7000 W 117Th Ave,

Unit B

Broomfield, CO 80020

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2.78 mi away

303-465-2735
Monday: 8:30 am-4:30 pm
Tuesday: 8:30 am-4:30 pm
Wednesday: 8:30 am-4:30 pm
Thursday: 8:30 am-4:30 pm
Friday: 8:30 am-4:00 pm
Saturday: Closed
Sunday: Closed
CareNow-Westminster (Preferred)

6080 W 92Nd Ave,

Ste 100

Westminster, CO 80031

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3.55 mi away

720-479-5780
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-7:00 pm
Sunday: 8:00 am-5:00 pm
CareNow- Arvada (Preferred)

6413 Fig St,

Arvada, CO 80004

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5.75 mi away

720-449-8060
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-7:00 pm
Sunday: 8:00 am-5:00 pm
Quest Diagnostics - Northglenn

100 E 120Th Ave,

Unit F130

Northglenn, CO 80233

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7.26 mi away

Schedule Appointment 720-403-7638
Monday: 7:30 am-5:00 pm
Tuesday: 7:30 am-5:00 pm
Wednesday: 7:30 am-5:00 pm
Thursday: 7:30 am-5:00 pm
Friday: 7:30 am-5:00 pm
Saturday: 8:00 am-12:00 pm
Sunday: Closed
Injury Care Associates - Thornton (Preferred)

9351 Grant St,

Ste 600

Thornton, CO 80229

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7.32 mi away

720-531-8377
Monday: 8:00 am-5:00 pm
Tuesday: 8:00 am-5:00 pm
Wednesday: 8:00 am-5:00 pm
Thursday: 8:00 am-5:00 pm
Friday: 8:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Drug Techs, LLC (Preferred)

51 W 84Th Ave,

Ste 304

Thornton, CO 80260

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7.57 mi away

303-650-4151
Monday: 8:30 am-4:30 pm
Tuesday: 8:30 am-4:30 pm
Wednesday: 8:30 am-4:30 pm
Thursday: 8:30 am-4:30 pm
Friday: 8:30 am-4:30 pm
Saturday: Closed
Sunday: Closed
UCHealth - Thornton (Preferred)

13631 Colorado Blvd,

Thornton, CO 80602

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10.13 mi away

303-252-2960
Monday: 8:00 am-5:00 pm
Tuesday: 8:00 am-5:00 pm
Wednesday: 8:00 am-5:00 pm
Thursday: 8:00 am-5:00 pm
Friday: 8:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Workwell Occ Med - Lakewood (Preferred)

1687 Cole Blvd,

Ste 150

Lakewood, CO 80401

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10.6 mi away

720-712-0796
Monday: 8:00 am-5:00 pm
Tuesday: 8:00 am-5:00 pm
Wednesday: 8:00 am-5:00 pm
Thursday: 8:00 am-5:00 pm
Friday: 8:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Midtown Occupational Health Services (Preferred)

2490 W 26Th Ave,

Bldg A, Ste 300

Denver, CO 80211

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10.92 mi away

303-831-9393
Monday: 7:00 am-6:00 pm
Tuesday: 7:00 am-6:00 pm
Wednesday: 7:00 am-6:00 pm
Thursday: 7:00 am-6:00 pm
Friday: 7:00 am-6:00 pm
Saturday: Closed
Sunday: Closed
Injury Care Associates - Denver (Preferred)

2490 W 26Th Ave,

Ste 5A

Denver, CO 80211

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10.92 mi away

303-531-4144
Monday: 8:00 am-4:30 pm
Tuesday: 8:00 am-4:30 pm
Wednesday: 8:00 am-4:30 pm
Thursday: 8:00 am-4:30 pm
Friday: 8:00 am-4:30 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Inside Boulder Safeway Store

2798 Arapahoe Ave,

Boulder, CO 80302

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11.2 mi away

Schedule Appointment 303-328-1952
Monday: 7:30 am-12:30 pm , 1:30 pm-4:30 pm
Tuesday: 7:30 am-12:30 pm , 1:30 pm-4:30 pm
Wednesday: 7:30 am-12:30 pm , 1:30 pm-4:30 pm
Thursday: 7:30 am-12:30 pm , 1:30 pm-4:30 pm
Friday: 7:30 am-12:30 pm , 1:30 pm-4:30 pm
Saturday: Closed
Sunday: Closed
AFC Urgent Care - Denver City Park (Preferred)

2848 Colorado Blvd,

Denver, CO 80207

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13.29 mi away

303-381-1100
Monday: 8:00 am-2:00 pm
Tuesday: 8:00 am-2:00 pm
Wednesday: 8:00 am-2:00 pm
Thursday: 8:00 am-2:00 pm
Friday: 8:00 am-2:00 pm
Saturday: 8:00 am-1:00 pm
Sunday: 8:00 am-1:00 pm
Wiz-Quiz Lakewood (Preferred)

7585 W Arkansas #b,

Lakewood, CO 80232

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13.96 mi away

303-914-1045
Monday: 8:30 am-8:00 pm
Tuesday: 8:30 am-8:00 pm
Wednesday: 8:30 am-8:00 pm
Thursday: 8:30 am-8:00 pm
Friday: 8:30 am-8:00 pm
Saturday: Closed
Sunday: Closed
AFC Urgent Care - Denver Speer Blvd (Preferred)

777 E Speer Blvd,

Ste 100

Denver, CO 80203

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14.0 mi away

303-733-4000
Monday: 8:00 am-5:00 pm
Tuesday: 8:00 am-5:00 pm
Wednesday: 8:00 am-5:00 pm
Thursday: 8:00 am-5:00 pm
Friday: 8:00 am-5:00 pm
Saturday: 8:00 am-3:00 pm
Sunday: 8:00 am-3:00 pm
Express Drug Testing & CDL Physical Clinic (Preferred)

11750 E 124Th Ave,

Henderson, CO 80640

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14.39 mi away

303-659-8895
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
UCHealth - Northfield (Preferred)

4660 Yosemite St,

Ste 100

Denver, CO 80238

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14.62 mi away

720-516-8906
Monday: 8:00 am-5:00 pm
Tuesday: 8:00 am-5:00 pm
Wednesday: 8:00 am-5:00 pm
Thursday: 8:00 am-5:00 pm
Friday: 8:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - 695 S. Broadway

695 S Broadway,

Denver, CO 80209

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14.68 mi away

Schedule Appointment 303-482-5232
Monday: 7:00 am-4:30 pm
Tuesday: 7:00 am-4:30 pm
Wednesday: 7:00 am-4:30 pm
Thursday: 7:00 am-4:30 pm
Friday: 7:00 am-4:30 pm
Saturday: Closed
Sunday: Closed
Denver Aviation & Occ Med (Preferred)

10515 E 40Th Ave,

Ste 105

Denver, CO 80239

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15.82 mi away

303-373-5353
Monday: 8:00 am-5:00 pm
Tuesday: 8:00 am-5:00 pm
Wednesday: 8:00 am-5:00 pm
Thursday: 8:00 am-5:00 pm
Friday: 8:00 am-5:00 pm
Saturday: 8:00 am-5:00 pm
Sunday: Closed
CareNow- Central Park (Preferred)

3001 Havana St,

Denver, CO 80238

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16.23 mi away

720-458-6825
Monday: 12:00 pm-2:00 pm
Tuesday: 12:00 pm-2:00 pm
Wednesday: 12:00 pm-2:00 pm
Thursday: 12:00 pm-2:00 pm
Friday: 12:00 pm-2:00 pm
Saturday: 12:00 pm-2:00 pm
Sunday: 12:00 pm-2:00 pm
CareNow- DU Neighborhood (Preferred)

1405 E Evans Ave,

Denver, CO 80210

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16.69 mi away

720-449-8050
Monday: 10:00 am-4:00 pm
Tuesday: 10:00 am-4:00 pm
Wednesday: 10:00 am-4:00 pm
Thursday: 10:00 am-4:00 pm
Friday: 10:00 am-4:00 pm
Saturday: 10:00 am-4:00 pm
Sunday: 10:00 am-4:00 pm
Workwell Occ Med - DNE (Preferred)

3350 Peoria St,

Ste 190

Aurora, CO 80010

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16.95 mi away

303-365-4646
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
CareNow- Quincy & Wads (Preferred)

7600 W Quincy Ave,

Littleton, CO 80123

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17.6 mi away

720-449-8062
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-8:00 pm
Sunday: 8:00 am-5:00 pm
WorkWell Occ Med - Englewood (Preferred)

401 W Hampden Pl,

Ste 230

Englewood, CO 80110

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17.69 mi away

720-680-0222
Monday: 8:00 am-5:00 pm
Tuesday: 8:00 am-5:00 pm
Wednesday: 8:00 am-5:00 pm
Thursday: 8:00 am-5:00 pm
Friday: 8:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
AFC Urgent Care - University Hills (Preferred)

2290 S Colorado Blvd,

Denver, CO 80222

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17.73 mi away

303-756-4500
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-6:00 pm
Sunday: 8:00 am-6:00 pm
Quest Diagnostics - 601 East Hampden

601 E Hampden Ave,

Ste 255

Englewood, CO 80113

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18.03 mi away

Schedule Appointment 303-482-7803
Monday: 7:00 am-12:30 pm , 1:30 pm-4:00 pm
Tuesday: 7:00 am-12:30 pm , 1:30 pm-4:00 pm
Wednesday: 7:00 am-12:30 pm , 1:30 pm-4:00 pm
Thursday: 7:00 am-12:30 pm , 1:30 pm-4:00 pm
Friday: 7:00 am-12:30 pm , 1:30 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Workwell Occ Med - Longmont (Preferred)

205 S Main St,

Ste C

Longmont, CO 80501

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18.19 mi away

303-702-1612
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Secure Health Partners - Jasmine St (Preferred)

2175 S Jasmine St,

Ste 117B

Denver, CO 80222

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18.24 mi away

303-963-5554
Monday: 8:00 am-5:00 pm
Tuesday: 8:00 am-5:00 pm
Wednesday: 8:00 am-5:00 pm
Thursday: 8:00 am-5:00 pm
Friday: 8:00 am-5:00 pm
Saturday: Closed
Sunday: Closed
Colorado Mobile Drug Testing - Denver (Preferred)

18300 E 71St Ave,

Unit 135

Denver, CO 80249

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18.94 mi away

720-531-1649
Monday: 8:00 am-4:30 pm
Tuesday: 8:00 am-4:30 pm
Wednesday: 8:00 am-4:30 pm
Thursday: 8:00 am-4:30 pm
Friday: 8:00 am-4:30 pm
Saturday: Closed
Sunday: Closed
CareNow- Green Valley Ranch (Preferred)

17575 Green Valley Ranch Blvd,

Denver, CO 80249

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19.31 mi away

303-583-4490
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-7:00 pm
Sunday: 8:00 am-5:00 pm
Unicorn Drug Testing (Preferred)

1591 Chambers Rd,

Ste E

Aurora, CO 80011

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19.41 mi away

303-371-8463
Monday: 9:30 am-12:00 pm , 1:00 pm-5:00 pm
Tuesday: 9:30 am-12:00 pm , 1:00 pm-5:00 pm
Wednesday: 9:30 am-12:00 pm , 1:00 pm-5:00 pm
Thursday: 9:30 am-12:00 pm , 1:00 pm-5:00 pm
Friday: 9:30 am-12:00 pm , 1:00 pm-5:00 pm
Saturday: Closed
Sunday: Closed
Carbon Health - Littleton (Preferred)

9116 W Bowles Ave,

Ste 3

Littleton, CO 80123

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19.53 mi away

720-642-8217
Monday: 9:00 am-7:00 pm
Tuesday: 9:00 am-7:00 pm
Wednesday: 9:00 am-7:00 pm
Thursday: 9:00 am-7:00 pm
Friday: 9:00 am-7:00 pm
Saturday: 9:00 am-7:00 pm
Sunday: 9:00 am-7:00 pm
Quest Diagnostics - Balsam

6179 S Balsam Way,

Ste 240

Littleton, CO 80123

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19.92 mi away

Schedule Appointment 720-922-1190
Monday: 7:00 am-5:00 pm
Tuesday: 7:00 am-5:00 pm
Wednesday: 7:00 am-5:00 pm
Thursday: 7:00 am-5:00 pm
Friday: 7:00 am-5:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Inside Longmont Safeway Store

1632 Hover St,

Longmont, CO 80501

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20.51 mi away

Schedule Appointment 303-263-1219
Monday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Tuesday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Wednesday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Thursday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Friday: 7:00 am-12:00 pm , 1:00 pm-4:00 pm
Saturday: Closed
Sunday: Closed
Quest Diagnostics - Aurora South

1411 S Potomac St,

Ste 290

Aurora, CO 80012

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20.59 mi away

Schedule Appointment 303-283-0838
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: 7:00 am-12:00 pm
Sunday: Closed
Workwell Occ Med - Abilene St (Preferred)

1600 S Abilene St,

Ste D

Aurora, CO 80012

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20.93 mi away

720-512-4408
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
Mile High Drug Test Consultants, LLC (Preferred)

11059 E Bethany Dr,

Ste 210

Aurora, CO 80014

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20.94 mi away

720-491-1424
Monday: 9:00 am-12:00 pm , 1:00 pm-3:30 pm
Tuesday: 9:00 am-12:00 pm , 1:00 pm-3:30 pm
Wednesday: 9:00 am-12:00 pm , 1:00 pm-3:30 pm
Thursday: 9:00 am-12:00 pm , 1:00 pm-3:30 pm
Friday: 9:00 am-12:00 pm
Saturday: Closed
Sunday: Closed
CareNow - Aurora Central (Preferred)

15001 E Mississippi Ave,

Unit A

Aurora, CO 80012

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21.1 mi away

303-583-4650
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-7:00 pm
Sunday: 8:00 am-5:00 pm
CareNow- Ken Caryl (Preferred)

11551 W Ken Caryl Ave,

Littleton, CO 80127

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21.43 mi away

720-449-8055
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-7:00 pm
Sunday: 8:00 am-5:00 pm
Wiz-Quiz Drug Screening - Aurora (Preferred)

2101 S Blackhawk St,

Ste 160

Aurora, CO 80014

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21.53 mi away

303-873-7155
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: 10:00 am-12:00 pm
Sunday: Closed
Wiz-Quiz Drug Screening - Centennial (Preferred)

2305 E Arapahoe Rd Ste 147,

Centennial, CO 80122

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22.1 mi away

303-738-1140
Monday: 9:00 am-5:00 pm
Tuesday: 9:00 am-5:00 pm
Wednesday: 9:00 am-5:00 pm
Thursday: 9:00 am-5:00 pm
Friday: 9:00 am-5:00 pm
Saturday: 10:00 am-12:00 pm
Sunday: Closed
Quest Diagnostics - Inside Centennial Safeway Store

7375 E Arapahoe Road,

Centennial, CO 80112

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23.4 mi away

Schedule Appointment 303-386-2060
Monday: 7:00 am-4:00 pm
Tuesday: 7:00 am-4:00 pm
Wednesday: 7:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 7:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
AFC Urgent Care - Centennial (Preferred)

8006 E Arapahoe Rd,

Ste 100

Centennial, CO 80112

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23.7 mi away

303-220-9168
Monday: 8:00 am-8:00 pm
Tuesday: 8:00 am-8:00 pm
Wednesday: 8:00 am-8:00 pm
Thursday: 8:00 am-8:00 pm
Friday: 8:00 am-8:00 pm
Saturday: 8:00 am-5:00 pm
Sunday: 8:00 am-5:00 pm
Secure Health Partners - DIA (Preferred)

7640 Undergrove St,

Unit B

Denver, CO 80249

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24.37 mi away

720-556-9791
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 7:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: Closed
Sunday: Closed
OnPoint UC - Highlands Ranch (Preferred)

9205 S Broadway,

Highlands Ranch, CO 80129

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24.6 mi away

303-330-0271
Monday: 8:00 am-4:00 pm
Tuesday: 8:00 am-4:00 pm
Wednesday: 8:00 am-4:00 pm
Thursday: 8:00 am-4:00 pm
Friday: 8:00 am-4:00 pm
Saturday: 8:00 am-4:00 pm
Sunday: 8:00 am-4:00 pm

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Our company

Quest® is the brand name used for services offered by Quest Diagnostics Incorporated and its affiliated companies. Quest Diagnostics Incorporated and certain affiliates are CLIA-certified laboratories that provide HIPAA-covered services.  Other affiliates operated under the Quest® brand, such as Quest Consumer Inc., do not provide HIPAA-covered services. 

 

Quest®, Quest Diagnostics®, any associated logos, and all associated Quest Diagnostics registered or unregistered trademarks are the property of Quest Diagnostics. All third-party marks—® and ™—are the property of their respective owners. © 2025 Quest Diagnostics Incorporated. All rights reserved. Image content features models and is intended for illustrative purposes only.