Chief, Section of Clinical Pathology

Gurmukh Singh, MD, PhD, MBA

Gurmukh Singh


The faculty and staff of the Division of Clinical Pathology and Laboratory Medicine provide comprehensive, state of the art, in-vitro diagnostic testing in the sections of Clinical Chemistry, Hematology and Hematopathology, Microbiology, and Blood Banking/Transfusion Medicine as well as perform therapeutic apheresis. The clinical pathology faculty provides consultation services to other hospital and university departments and conduct translational research in their respective sub-specialty areas. The clinical pathology laboratories consist of hematology/hemostasis, flow cytometry, urinalysis, bone marrow, chemistry, forensic toxicology, clinical immunology, blood bank, microbiology, blood gas laboratory, pediatric, family medicine, Cancer Center laboratory, and point of care testing.


The service and laboratory procedures conform to the standards prescribed by the Department of Health and Human Services as detailed by the Centers for Medicare and Medicaid Services in the Clinical Laboratory Improvement Amendments of 1988, Joint Commission for Accreditation of Health Care Organizations, College of American Pathologists, Food and Drug Administration, Centers for Disease Control, and other Federal and State agencies. The faculty and staff meet and often exceed the required qualifications. Continuous quality improvement activities are in place and are oriented to the quality of diagnostic services, timeliness of reports, efficiency, safety requirements, and quality control of laboratory activities.


Gurmukh Singh, MD, PhD, MBA: Walter L Shepeard Chair of Clinical Pathology, Vice Chair of Pathology for Clinical Affairs, Department of Pathology, AU-Medical College of Georgia;  Chief of Clinical Pathology and Medical Director of Chemistry, Toxicology, and Point of Care Testing, AU Health Inc. (AU Medical Center and Children's Hospital of Georgia)

Allison R. McMullen, PhD: Assistant Professor, Medical Director Microbiology

Natasha M. Savage, MD: Assistant Professor, Medical Director of Hematology, Hemostasis, Flow Cytometry, Bone Marrow, Family Medicine, Pediatric Teaching, and Cancer Center Laboratories

James Shikle, MD: Associate Professor, Medical Director of Blood Bank

Additional faculty members who also participate in Clinical Pathology include:

Roni Bollag, MD, PhD: Associate Professor, Director Transfusion Medicine Fellowship

Ravindra Kolhe, MD, PhD: Assistant Professor, Director of Cytogenetics and GEM Lab, AP/CP

Nikhil Patel, MD: Assistant Professor, AP/CP

Michael Toscano MD: Assistant Professor, AP/CP, CNVAMC

Clinical Pathology Labs:

Laboratory Sections


Phone Number
ACC Specimen Collection


Alternate Site Testing




Cancer Center AN-2610 706-721-1739
Core Lab ( Blood Gas, Chemistry, Hematology) BI-2023 706-721-2120
Donor Room BI-1200 706-721-3694
Family Medicine BP-1148 706-721-4596
Immunology BI-2011 706-721-3378
Microbiology/Virology BA-1662 706-721-2807
Pediatric Teaching BP-3230 706-721-7536
Specimen Receiving BI-2029 706-721-2876
Specimen Referral BI-2029 706-721-4868
Toxicology BI-2007 706-721-7837
Transfusion Medicine BI-1230 706-721-2731