Number of Quest Diagnostics clinics in the United States in 2026
How many Quest Diagnostics clinics are there in the United States?
There are 6,079 Quest Diagnostics clinics in the United States as of March 30, 2026. The state and territory with the most number of Quest Diagnostics locations in the US is Texas, with 725 clinics, which is about 12% of all Quest Diagnostics clinics in the US.
How can I download a list of Quest Diagnostics clinics in the United States into Excel?
You can download the complete list of 6,079 Quest Diagnostics locations data as an Excel file, along with geo-coded addresses, phone numbers and open hours from our data store.
Download DatasetTop 10 States and Territories with the most Quest Diagnostics clinics
Texas
725 (12%)
A clinic for every 39,994 people, in Texas with about 12% of the total number of Quest Diagnostics clinics
California
595 (10%)
A clinic for every 66,407 people, in California with about 10% of the total number of Quest Diagnostics clinics
Florida
579 (10%)
A clinic for every 37,095 people, in Florida with about 10% of the total number of Quest Diagnostics clinics
| State / Territory | Number of clinics | Population | Population per clinic |
|---|---|---|---|
| Texas | 725 (12%) | 29.00M | 39.99K |
| California | 595 (10%) | 39.51M | 66.41K |
| Florida | 579 (10%) | 21.48M | 37.09K |
| New York | 379 (6%) | 19.45M | 51.33K |
| Ohio | 266 (4%) | 11.69M | 43.94K |
| Pennsylvania | 245 (4%) | 12.80M | 52.25K |
| Georgia | 233 (4%) | 10.62M | 45.57K |
| Tennessee | 229 (4%) | 6.83M | 29.82K |
| New Jersey | 189 (3%) | 8.88M | 46.99K |
| North Carolina | 189 (3%) | 10.49M | 55.49K |
There are Quest Diagnostics clinics in 54 states and territories in the United States
States and Territories without any Quest Diagnostics clinics
These states and territories do not have any Quest Diagnostics clinics
- American Samoa
- Guam
- U.S. Virgin Islands
- Northern Mariana Islands
There are 4 states and territories without Quest Diagnostics clinics in the United States
Cities with the most number of Quest Diagnostics clinics in the United States
| City | State / Territory | Number of Locations |
|---|---|---|
| Houston | Texas | 68 |
| New York | New York | 51 |
| Brooklyn | New York | 44 |
| San Antonio | Texas | 39 |
| Jacksonville | Florida | 39 |
| Dallas | Texas | 37 |
| Oklahoma City | Oklahoma | 28 |
| Orlando | Florida | 27 |
| Bronx | New York | 27 |
| Austin | Texas | 25 |
Download the complete database of Quest Diagnostics Locations in USA
You can download the full list of Quest Diagnostics locations used for this analysis from our data store. Here is a random sample of 10 records for you to look at the fields and the data that we provide.
| Name | Street | City | State / Territory | Zip Code | Phone | Latitude | Longitude | Address | Country | Last Updated Date |
|---|---|---|---|---|---|---|---|---|---|---|
| Bon Secours - Afc Uc Cherrydale | 3213 N Pleasantburg Dr Cherrydale Shopping Center Ste E2 | Greenville | SC | 29609 | 864-467-2005 | 34.8891407 | -82.4003955 | 3213 N Pleasantburg Dr Cherrydale Shopping Center Ste E2, Greenville, SC, 29609 | USA | 2026-03-30 |
| Diagnostic Laboratory Of Oklahoma - Elk City Psc | 1925 W 3rd St Ste 2 | Elk City | OK | 73644 | 580-225-2018 | 35.4120214 | -99.4279028 | 1925 W 3rd St Ste 2, Elk City, OK, 73644 | USA | 2026-03-30 |
| Usa Health Industrial Medicine | 1976 Michigan Ave | Mobile | AL | 36615 | 251-660-5910 | 30.646152 | -88.0776096 | 1976 Michigan Ave, Mobile, AL, 36615 | USA | 2026-03-30 |
| Access Medical Clinic - Clarksville | 409 S Rogers St | Clarksville | AR | 72830 | 479-491-4141 | 35.4660957 | -93.4588872 | 409 S Rogers St, Clarksville, AR, 72830 | USA | 2026-03-30 |
| First Choice Drug Testing & Occ Hlth | 6400 Scott Hamilton Dr | Little Rock | AR | 72209 | 501-661-9992 | 34.6905271 | -92.3191064 | 6400 Scott Hamilton Dr, Little Rock, AR, 72209 | USA | 2026-03-30 |
| Fastest Labs Of Scottsdale | 7315 E Evans Rd | Scottsdale | AZ | 85260 | 480-550-7230 | 33.6157104 | -111.9236275 | 7315 E Evans Rd, Scottsdale, AZ, 85260 | USA | 2026-03-30 |
| Hoyt Clinic Family Practice Associates - Questselect Members Only | 207 Highland Ave | Hoyt | KS | 66440 | 785-986-6630 | 39.2467767 | -95.7063929 | 207 Highland Ave, Hoyt, KS, 66440 | USA | 2026-03-30 |
| No Drugs Inc - Lakeport | 2559 Lakeshore Blvd Ste 4 | Lakeport | CA | 95453 | 800-490-3784 | 39.0627677 | -122.9138734 | 2559 Lakeshore Blvd Ste 4, Lakeport, CA, 95453 | USA | 2026-03-30 |
| Fastest Labs Of Gateway Cities | 3331 E Artesia Blvd | Long Beach | CA | 90805 | 562-470-6219 | 33.8754642 | -118.1528852 | 3331 E Artesia Blvd, Long Beach, CA, 90805 | USA | 2026-03-30 |
| Sonora Quest Laboratories - Cottonwood - Candy Ln & Az - 89a | 203 S Candy Ln Ste 4b | Cottonwood | AZ | 86326 | 928-634-2725 | 34.737257 | -112.030753 | 203 S Candy Ln Ste 4b, Cottonwood, AZ, 86326 | USA | 2026-03-30 |
Disclaimer: Brand logos are used for visual representation only and do not imply endorsement or affiliation.
Download this data in any format
We provide all of our data sets as an Excel / CSV file. Please contact us if you need this POI dataset as JSON, Esri Shapefile, GeoJSON, KML (Google Earth) or any other custom format at an additional cost per format.Contact Sales