Update: Temporary Lab Hours and Appointment Policy
We would like to inform our patients that the Columbia Medical Practice Laboratory is currently operating on a temporary schedule and is available by appointment only.
🕒 Temporary Hours:
Monday – Friday, 6:30 AM – 3:00 PM
📞 Lab: 410-964-6105
Please note that the lab was previously open Monday – Friday, 6:30 AM – 5:00 PM for both walk-in and scheduled visits. During this temporary schedule, walk-in services are not available.
To ensure timely service, we kindly ask that all patients schedule a lab appointment in advance.
We appreciate your understanding and cooperation as we make these temporary adjustments.
David M. Leichtling, M.D.
​Board Eligible - American Academy of Family Physicians
Medical School:
State of University of New York, Stony Brook
Residency:
University of Maryland Medical Center
Peter Cheng, M.D.
Board Certified: Internal Medicine
Additional Language:
Chinese - Cantonese
Medical School:
University of Maryland
Residency:
Mercy Medical Center
William Saway, M.D., F.A.C.P.
Board Certified: Internal Medicine
Fellow, American College of Physicians
Additional Language: Spanish
Medical School:
Howard University
Residency:
Washington Hospital Center