Specializing in Kidney Diseases, Hypertension and Stone Prevention

The Kidney Center of Frederick is located at 140 Thomas Johnson Drive at Suite 202. Our entrance is on the upper side of the building, towards the back. We pride ourselves on the personal attention that we provide for our patients. Call our office today to set up an appointment. We look forward to serving you.

Frederick Office

140 Thomas Johnson Drive, Suite 202
Frederick, MD 21702
P 301.694.7788
F 301.694.3184

Map & Directions

Hours
Monday: 9am-5pm
Tuesday: 9am-5pm
Wednesday: 9am-5pm
Thursday: 9am-5pm
Friday: 9am-4pm
Saturday & Sunday: Closed

Hagerstown Office

1136 Opal Court
Hagerstown, MD 21740
P 301.791.7300
F 301.791.7302

Map & Directions

Hours
Monday: 9am-5pm
Tuesday: Closed
Wednesday: Closed
Thursday: 9am-5pm
Friday: Closed
Saturday & Sunday: Closed

Our Providers


William H Johnson, MD
Board Certified in Nephrology

Kiran Samindla, MD
Board Eligible in Nephrology

Stephanie Comer-Concordia, CRNP

Preparing for Your First Visit

Please bring a picture ID, your insurance card and your co-pay to your visit. Here's the paperwork we'll ask you to complete. If you'd like, you may print these out, fill them in at home and bring them with you:

Patient Registration Patient Medical History Privacy Practices

If there are any problems with this website, please notify our Webmaster