7550 Wolf River Blvd
Suite 200
Germantown, TN 38138
T 901.542.6800
T 901.542.6866 (Billing)
T 877.608.2756
F 901.542.6873

G. David Spencer, M.D.

G. David Spencer, M.D.

President/Medical Director - Pathology Group of the Midsouth, PC

Director - Baptist Memorial Hospital (BMH) Laboratory - Memphis

Board Certified Anatomic and Clinical Pathology

Fellowship

Gynecologic Pathology, St. John's Mercy Medical Center, St. Louis, MO

Pulmonary Pathology, Mayo Clinic, Rochester, MN

Pulmonary Pathology

Gynecologic Pathology

Surgical Pathology

Uropathology

Dr. David Spencer is the gynecology and pulmonary pathologist at Pathology Group of the Midsouth (PGM). A graduate of the University of Mississippi School of Medicine in 1987, Dr. Spencer has an unusual point of view on the surgical-pathologist
relationship as he spent 15 months as an OR surgical assistant at Baptist Memorial Hospital in Memphis before and during medical school. Following his residency in Pathology at the University of Mississippi Medical Center in Jackson, Dr. Spencer spent a year with Dr. Fred Kraus in St. Louis, Missouri as a fellow in Gynecologic Pathology with a particular interest in placental pathology. Dr. Spencer joined the group in 1992. He also did a mini fellowship in pulmonary pathology with Dr. Jeffery Meyers at Mayo Clinic in 1995. Dr. Spencer is an active member of the BMH Medical Staff, and serves as the Director of Histology.

John Thomison, M.D.

John Thomison, M.D.

Director - Cytology Laboratory

Director - Baptist Memorial Hospital (BMH) Laboratory – Women's

Director - Baptist Memorial Hospital (BMH) Laboratory – Desoto

Board Certified Anatomic and Clinical Pathology

Board Certified in Cytopathology

Fellowship

Cytopathology, The University of Texas M.D. Anderson Cancer Center

Surgical Pathology

Cytopathology

Fine Needle Aspiration

Dr. Thomison grew up in Nashville, TN. After receiving his undergraduate education at Williams College and Oxford University, he returned to Nashville for medical school at Vanderbilt University. He then completed his training in Anatomic and Clinical Pathology at the University of Colorado Denver, where he served as chief resident, followed by a fellowship in Cytopathology at
The University of Texas M.D. Anderson Cancer Center. Dr. Thomison maintains an interest in all areas of general pathology, with a special focus on fine needle aspiration and its role in early cancer diagnosis.

Carolyn M. Chesney, M.D.

Carolyn M. Chesney, M.D.

Board Certified Internal Medicine

Board Certified Hematology

Board Certified Hematopathology

Fellow of the American College of Physicians

Fellowship

Hematology, Massachusetts General Hospital - Boston, MA

Coagulation

Hematology

Transfusion Medicine

Disorders of Bleeding and Clotting

Dr. Carolyn Chesney is director of the Coagulation Laboratory at Baptist Memorial Hospital and does diagnostic hematology, blood banking, and clinical consultations in patients with bleeding and clotting disorders. After graduation from Vanderbilt University
Medical School Dr. Chesney was an intern and resident in Medicine at Vanderbilt Hospital prior to her Hematology fellowship at the Massachusetts General Hospital. She is board certified in Internal Medicine and Hematology, and has practiced laboratory medicine at Baptist Memorial Hospital since 1980, in addition to her teaching responsibilities at the University of Tennessee as a Professor of Medicine and Pathology. Dr. Chesney enjoys the reputation of being most experienced coagulationist.

Kenneth D. Groshart, M.D.

Kenneth D. Groshart, M.D.

Board Certified Anatomic and Clinical Pathology

Board Certified Internal Medicine

Fellowship

Nephrology, University of Tennessee - Knoxville, TN

Transfusion Medicine

Gastroinestinal

Cardiac and Pulmonary Pathology

Surgical Pathology

Dr. Groshart graduated from the University of Tennessee Center for the Health Sciences 1972. He completed an Internal Medicine residency and six months of Nephrology fellowship at the University of Tennessee. Dr. Groshart also completed a residency in Anatomical and Clinical Pathology at
Baptist Memorial Hospital, under the direction of E. Eric Muirhead, M.D. Dr. Groshart is board certified in Internal Medicine and Anatomic and Clinical Pathology. He has special expertise in blood banking, immunohematology, immunology, and coagulation. His areas of special interest include gastrointestinal pathology, pulmonary pathology, immunohematology, and cardiovascular pathology. He is the Medical Director of the Blood Bank and Therapeutic Blood Service for the Baptist Hospital. He brings over 35 years of experience to the area.

Fadi Ibrahim, M.D.

Fadi Ibrahim, M.D.

Board Certified Anatomic Pathology

Fellowship

GI Pathology, The University of Tennessee College of Medicine/GI Pathology Partners, Memphis, TN

Cytology

Gastrointestinal

Dr. Ibrahim joined Pathology Group of the Midsouth (PGM) in 2019. Dr. Ibrahim is a graduate of The University of Aleppo Medical School Aleppo, Syria. He completed his Residency at The University of Tennessee College of Medicine, Memphis, TN. Following his Residency Dr. Ibrahim completed a GI Pathology Fellowship . Dr. Ibrahim has worked as staff pathologist since completing his fellowship in 2005. He is Board Certified in Anatomic Pathology.

Gina A. Johnston, M.D.

Gina A. Johnston, M.D.

Director - Baptist Memorial Hospital (BMH) Laboratory – Crittenden

Board Certified Anatomic and Clinical Pathology

Fellowship

Surgical Pathology, The Presbyterian Hospital of Columbia University, New York, NY

General Surgical Pathology

Dermatopathology

Dr. Johnston joined Pathology Group of the Midsouth (PGM) in 2018. Dr. Johnston is a graduate of The University of Tennessee College of Medicine. She completed both an Anatomic and Clinical Pathology Internship and second year residency at The Medical College of Georgia, Augusta, GA, transferring to the University of Tennessee/Baptist Memorial Hospital to complete the last three years of her training. She obtained a Fellowship in Surgical Pathology at The Presbyterian Hospital of Columbia University, New York, NY. Dr. Johnston has served as a College of American Pathology Inspector and an Adjunct Clinical Assistant Professor at the New York Institute of Technology in Jonesboro, AR. Dr. Johnston is Board Certified in Clinical and Anatomic Pathology.

Glenn P. Murray, D.O.

Glenn P. Murray, D.O.

Director - Baptist Memorial Hospital (BMH) Laboratory – Collierville

Board Certified Anatomic and Clinical Pathology

Board Certified Hematopathology

Fellowship

University of Arkansas for Medical Science, Little Rock, AR

Gastrointestinal

Hematopathology

Dr. Murray joined Pathology Group of the Midsouth (PGM) in 2019. Dr. Murray is a graduate of Lincoln Memorial University – DeBusk College of Osteopathic Medicine, Harrogate, TN. He completed a Pathology Externship in Hematopathology and Gastrointestinal pathology at the Cleveland Clinic, Robert J. Tomsich Pathology and Laboratory Medicine Institute followed by his Residency at The University of Tennessee Health Sciences Center, Memphis, TN where he served as chief resident. Dr. Murray’s Fellowship was completed in 2019 at the University of Arkansas for Medical Science, Little Rock, AR. Dr. Murray is a College of American Pathology Inspector and has served as a guest lecturer at several medical centers. He is Board Certified in Clinical and Anatomic Pathology and in Hematopathology.

Mohamed Osman, M.D., FCAP

Mohamed Osman, M.D., FCAP

Board Certified Anatomic and Clinical Pathology

Board Certified Hematopathology

Dr. Mohamed A. Osman, M.D., FCAP joined Pathology Group of the Midsouth (PGM) in 2019. A graduate of Ross University School of Medicine Dominica, West Indies in 2014, Dr. Osman brings years of laboratory experience as he worked as a Clinical Laboratory Scientist (CLS) prior to becoming a pathologist. Dr. Osman attended the University of Tennessee, Graduate School of Medicine in Knoxville, TN followed by a Hematopathology Fellowship at the University of California, Davis Sacramento, CA. Dr. Osman is board certified in Clinical and Anatomic Pathology he is also certified by the American Board of Hematopathology. In addition to Hematopathology, Dr. Osman has training and special interest in GI, Breast, GYN, and GU pathology.

Charles N. Newman, M.D.

Charles N. Newman, M.D.

Board Certified Anatomic and Clinical Pathology

Board Certified Cytopathology

Fellowship

Cytopathology, Medical University of South Carolina, Charleston, SC

Surgical Pathology

Cytopathology

Dr. Newman joined Pathology Group of the Midsouth (PGM) in 2019. He was born and raised in Evansville, Indiana. After graduating summa cum laude from the University of Alabama, he attended the University of South Alabama College of Medicine. Dr. Newman then completed his residency and fellowship training at the Medical University of South Carolina. He is board certified in anatomic and clinical pathology and cytopathology. His main areas of interest are surgical pathology and cytopathology.

Ashley B. Porter, M.D.

Ashley B. Porter, M.D.

Director - Baptist Memorial Hospital (BMH) Laboratory – Union City

Board Certified Anatomic and Clinical Pathology

Fellowship

Selective Surgical Pathology, Washington University/Barnes Jewish Hospital - St. Louis, MO

Breast Pathology

Gastrointestinal Pathology

Gynecologic Pathology

Surgical Pathology

Dr. Porter grew up in Martin, TN. After receiving her undergraduate education at Union University, she completed medical school at the University of Tennessee Health Science Center in Memphis, TN. Dr. Porter stayed in Memphis for her residency in Anatomic and Clinical Pathology, and served as chief resident. While at UT she was elected to AOA, (Alpha Omega Alpha Honor Medical Society). Dr. Porter then completed a Fellowship in Selective Surgical Pathology at Washington University/Barnes Jewish Hosptial in St. Louis, MO. She maintains an interest in all areas of surgical pathology, with particular interest in breast, gynecologic, and gastrointestinal pathology. Dr. Porter joined PGM in 2017.

WeiHua Wang, M.D.

WeiHua Wang, M.D.

Board Certified Anatomic and Clinical Pathology

Board Certified in Cytopathology

Fellowship

Surgical Pathology, Washington University - St. Louis, MO

Cytopathology, Duke University - Durham, NC

Cytopathology Pathology

Gynecologic Pathology

ENT Pathology

Surgical Pathology

Dr. Wang joined Pathology Group of the Midsouth in 2003. She is Board Certified Anatomic & Clinic Pathology and Board Certified Cytopathology. Dr. Wang completed her Surgical Pathology fellowship at Washington University, St. Louis in 2002, followed by her Cytopathology Fellowship
at Duke University in 2003. During her pathology residency at the University of Tennessee, Memphis she served as Chief resident. Dr. Wang’s double board certification provides our clients with a unique level of expertise.