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

MDVIP at Columbia Medical Practice

MDVIP at CMP
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Peter Cheng, MD .... 410-964-4608

David Leichtling, MD .... 410-964-4607

William Saway, MD, FACP .... 410-964-4605

Monday through Friday
8 am - 12 pm
1 pm to 5 pm

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

MDVIP  Clinicians