Number of Quest Diagnostics clinics in the United States in 2025
How many Quest Diagnostics clinics are there in the United States?
There are 5,955 Quest Diagnostics clinics in the United States as of August 26, 2025. The state and territory with the most number of Quest Diagnostics locations in the US is Texas, with 656 clinics, which is about 11% 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 5,955 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
656 (11%)
A clinic for every 44,201 people, in Texas with about 11% of the total number of Quest Diagnostics clinics
California
639 (11%)
A clinic for every 61,834 people, in California with about 11% of the total number of Quest Diagnostics clinics
Florida
587 (10%)
A clinic for every 36,589 people, in Florida with about 10% of the total number of Quest Diagnostics clinics
| State / Territory | Number of clinics | Population | Population per clinic |
|---|---|---|---|
| Texas | 656 (11%) | 29.00M | 44.20K |
| California | 639 (11%) | 39.51M | 61.83K |
| Florida | 587 (10%) | 21.48M | 36.59K |
| New York | 383 (6%) | 19.45M | 50.79K |
| Ohio | 256 (4%) | 11.69M | 45.66K |
| Pennsylvania | 239 (4%) | 12.80M | 53.56K |
| Georgia | 213 (4%) | 10.62M | 49.84K |
| New Jersey | 205 (3%) | 8.88M | 43.33K |
| Tennessee | 189 (3%) | 6.83M | 36.13K |
| Illinois | 180 (3%) | 12.67M | 70.40K |
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 | 54 |
| Brooklyn | New York | 44 |
| San Antonio | Texas | 43 |
| Jacksonville | Florida | 38 |
| Austin | Texas | 29 |
| Las Vegas | Nevada | 28 |
| Orlando | Florida | 28 |
| Dallas | Texas | 27 |
| Bronx | New York | 27 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Quest Diagnostics - Washington | 360 Washington Rd | Washington | PA | 15301 | 724-222-4224 | 40.1860969 | -80.2211177 | 360 Washington Rd, Washington, PA, 15301 | USA | 2025-08-26 |
| Quest Diagnostics - Bethlehem Reeve Drive | 4333 Easton Ave Suite A | Bethlehem | PA | 18020 | 610-867-0661 | 40.66605566 | -75.31196908 | 4333 Easton Ave Suite A, Bethlehem, PA, 18020 | USA | 2025-08-26 |
| Quest Diagnostics - Upmc Outpatient Center | 275 Clairton Blvd | West Mifflin | PA | 15236 | 412-965-5058 | 40.3378179 | -79.9491735 | 275 Clairton Blvd, West Mifflin, PA, 15236 | USA | 2025-08-26 |
| Quest Diagnostics - Frankford Avenue | 7528 Frankford Ave | Philadelphia | PA | 19136 | 215-332-4293 | 40.039178 | -75.035155 | 7528 Frankford Ave, Philadelphia, PA, 19136 | USA | 2025-08-26 |
| Quest Diagnostics - Limerick | Limerick Square 70 Buckwalter Road | Royersford | PA | 19468 | 610-948-3402 | 40.19723255 | -75.52426815 | Limerick Square 70 Buckwalter Road, Royersford, PA, 19468 | USA | 2025-08-26 |
| Quest Diagnostics - Wexford Village Run | 2000 Village Run Dr Village At Pine Shopping Plaza | Wexford | PA | 15090 | 724-933-3266 | 40.6337278 | -80.056773 | 2000 Village Run Dr Village At Pine Shopping Plaza, Wexford, PA, 15090 | USA | 2025-08-26 |
| Lake Scranton Urgent Care (Preferred) | 1141 Moosic St Suite 3 | Scranton | PA | 18505 | 570-800-5926 | 41.3965011 | -75.648705 | 1141 Moosic St Suite 3, Scranton, PA, 18505 | USA | 2025-08-26 |
| Quest Diagnostics - State College | 235 Northland Ctr | State College | PA | 16803 | 814-325-7002 | 40.8035122 | -77.886151 | 235 Northland Ctr, State College, PA, 16803 | USA | 2025-08-26 |
| Lehigh Valley Hlth - Station Circle (Preferred) | 26 Station Cir | Hazleton | PA | 18202 | 610-861-8080 | 40.9407148 | -76.0267915 | 26 Station Cir, Hazleton, PA, 18202 | USA | 2025-08-26 |
| Occ Health - Pottstown Hospital (Preferred) | 81 Robinson St | Pottstown | PA | 19464 | 610-326-2300 | 40.257538 | -75.664848 | 81 Robinson St, Pottstown, PA, 19464 | USA | 2025-08-26 |
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