Williamsville Laboratory Services

Plan Your Visit

5839 Main St
Williamsville, NY 14221
Phone Number

Servicing Hours


Monday - Friday: 7:30 a.m. to 3:15 p.m.

Saturday: 8 a.m. to 11:45 a.m.

Appointment Hours

Monday - Friday: 8 a.m. to 2 p.m.


Williamsville Laboratory Services provides accurate lab results for a variety of prescribed blood testing. Test results will be sent directly to your doctor, aiding them in the diagnosis, prevention, and treatment of a variety of medical conditions. 


Blood Testing – Catholic Health laboratory services test and process blood locally, allowing for fast, same-day results. Our locations offer an extensive catalog of blood tests, helpful in diagnosing disease, measuring risk factors, and evaluating a patient's overall health. On the day of your visit, be prepared with a prescription, identification, and insurance information. Make sure to follow any specific instruction from your doctor as well.


Free parking is available for laboratory patients in the lot next to our building, which can be accessed from Pfohl Place just off of Main Street. 

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Catholic Health strives to provide quality care and outstanding service. Take the time to cheer on and recognize an associate(s) that exceeded your expectations. To recognize an associate click here.