Lab Locations

Lakeside Medical Group Members and Commercial Insurance Members must go to Quest Diagnostics Laboratory the preferred laboratory center:

You can book your appointment online HERE.  This is a list of the locations nearby the clinic: 

1. Quest Diagnostics - Hacienda Heights-Azusa Ave
1613 S Azusa Ave
Hacienda Heights, CA 91745-3832
Phone: 626-409-9869
Monday - Friday 7:00 AM - 4:30 PM
Saturday 7:00 AM - 11:00 AM

2. Quest Diagnostics - Diamond Bar North Diamond Bar 
750 N Diamond Bar Blvd Ste 110
Diamond Bar, CA 91765-1023
Phone: 909-282-6817
Monday - Friday 7:00 AM - 12:00 PM
Saturday CLOSED

3. Quest Diagnostics - West Covina Sunset Avenue 
1135 S Sunset Ave Ste 400
West Covina, CA 91790-3964
Phone: 626-404-4292
Monday - Friday 6:30 AM - 4:30 PM
Saturday CLOSED

4. Quest Diagnostics - Covina East San Bernardino Road
554 E San Bernardino Rd Ste 103
Covina, CA 91723-1748
Phone: 626-430-8943
Monday - Friday 7:30 AM - 3:00 PM
Saturday 8:00 AM - 12:00 PM

5. Quest Diagnostics - Pomona Bonita Avenue
250 W Bonita Ave Bldg A , Ste 130
Pomona, CA 91767-1850
Phone: 909-455-8253
Monday - Friday 6:30 AM - 3:30 PM
Saturday 6:30 AM - 11:30 PM

Allied Pacific IPA Members must go to the preferred laboratory center, Sun Clinical Laboratory: 

You can click the link HERE to locate the site nearest you.  Here are a few closest locations: 

1. Rowland Heights Office          (View Map)
19059 Colima Road, Rowland Heights, CA 91748
Tel: (626) 965-1022 Fax: (626) 965-3143
Hours of Operation:
Monday - Friday: 8:30am - 5:30pm (Lunch 12:30PM -1:30 PM)
Saturday 8:30am- 12:30pm

2. City of Industry Office - AP Urgent Care Center         (View Map)
18605 East Gale Ave. # 168, City of Industry, CA 91748
Tel: 626-413-3420 Fax: 626-413-3419
Hours of Operation:
Monday- Thursday: 8:00 AM TO 5:00pm  (Lunch 1:00PM -2:00 PM)
Friday & Saturday: 8:00am-12:00pm Noon

3. West Covina Office          (View Map)
767 S. Sunset Ave., Suite 2, West Covina, CA 91790
Tel: (626) 962-3200 Fax: (626) 962-3100
Monday - Friday: 8:30am - 5:00pm   (Lunch 12:00PM -1:00 PM)
Wednesday & Saturday 8:30am- 12:00pm Noon

4. Diamond Bar Office       (View Map)  
1104 S. Diamond Bar Boulevard, Diamond Bar, CA 91765
Tel: (909) 860-7187 Fax: (909) 860-7183
Hours of Operation: Monday, Tuesday, Thursday, Friday: 8:00am - 5:00pm  (Lunch 1:00PM -2:00 PM)
Wednesday & Saturday: 8:00am - 12:00 noon

5. Hacienda Heights Office          (View Map)
1850 S. Azusa Ave., Suite 110, Hacienda Heights, CA 91745
Tel: (626) 581-3200 Fax: (626) 581-3213
Hours of Operation:
Monday - Friday: 7:30am - 4:30pm
Saturday: 7:30am- 1:00pm