David A. Sibley, MD

Medical school: University of Virginia, Charlottesville, VA
Residency: Anatomic and Clinical Pathology, University of Virginia Hospital, Charlottesville, VA
Fellowship: Blood Banking and Transfusion Medicine, University of Virginia Hospital, Charlottesville, VA
Certifications: Anatomic Pathology and Clinical Pathology
Clinical focus: Blood Banking and Transfusion Medicine, Hematopathology

Julie Smith Robertson, MD

Medical school: University of Louisville, Louisville, KY
Residency: Anatomic Pathology, East Tennessee State University, Johnson City, TN
Certifications: Anatomic Pathology
Clinical focus: Surgical Pathology, Breast Pathology, Resident Education

Welcome

David R. Soike, MD

Medical School: Medical College of Ohio, Toledo, OH

Residency: Anatomic and Clinical Pathology,  Indiana University Medical Center, Indianapolis, IN  

Certifications: Anatomic Pathology and Clinical Pathology
Clinical Focus: Surgical Pathology, Laboratory Management 

Based in Johnson City, TN, we are dedicated to provide high quality diagnostic pathology services in Tennessee and Virginia.


Our team includes 12 Board Certified Pathologists with various fellowship training and comprehensive expertise in areas such as dermatopathology, hematopathology, gastrointestinal pathology, cytopathology, breast, gynecologic, genitourinary and other fields. In addition, we offer expert consultation in laboratory testing including blood banking, chemistry, hematology, coagulation and microbiology.


Our pathologists provide resident education at the Quillen College of Medicine, East Tennessee State University and serve as clinical assistant, associate, and full professors in the Department of Pathology.

We understand the importance of providing high diagnostic accuracy with rapid turn around time for our clients and patients.   

Thomas M. Soike, MD

Medical School: East Tennessee State University, Johnson City, TN

Residency: Anatomic and Clinical Pathology, Medical University of South Carolina, Charleston, SC

Fellowship: Dermatopathology, Medical University of South Carolina, Charleston, SC

Certifications: Anatomic Pathology, Clinical Pathology, Dermatopathology
Clinical Focus: Melanocytic Lesions, Inflammatory Dermatoses, Laboratory Automation

Patrick N. Costello, MD

Medical school: University College of Dublin, Ireland
Residency: Anatomic and Clinical Pathology, Montefiore Medical Center, Bronx, NY
Fellowship: Surgical Pathology, Mayo Clinic, Rochester, MN
Certifications: Anatomic Pathology and Clinical Pathology
Clinical focus: Gastrointestinal and liver Pathology, Hematopathology

J. Chadwick King, MD

Medical school: University of Virginia, Charolettesville, VA
Residency: Anatomic and Clinical Pathology, University of Arkansas, Little Rock, AR
Certifications: Anatomic Pathology and Clinical Pathology
Clinical focus: Hematopathology, Flow Cytometry and Coagulation 

​Meet our Pathologists

Thomas A. Barklow, MD

Medical school: Ross University School of Medicine, Portsmouth, Dominica
Residency: Anatomic and Clinical Pathology, East Tennessee State University, Johnson City, TN
Fellowship: Surgical Pathology, East Tennessee State University,  Johnson City, TN
Certifications:  Anatomic Pathology and Clinical Pathology
Clinical focus: Surgical Pathology, Breast Pathology

Watauga Pathology Associates
​1725 W. Market Street

Johnson City, TN  37604

​(423) 431-1386

Yurong Wheeler, MD, PhD

Medical School: Tianjin Medical University, Tianjin, China

Graduate School: Wake Forest University School of Medicine, Winston-Salem, NC 

Residency: Anatomic and Clinical Pathology, University of Missouri, Columbia, MO

Fellowship: Cytopathology, The Johns Hopkins Hospital, Baltimore, MD

Certifications: Anatomic Pathology, Clinical Pathology, Cytopathology
Clinical Focus: Fine Needle Aspirations, Skin Tumors, Molecular Pathology, Transfusion Medicine

Emily R. Patterson, MD

Medical school: University of Pennsylvania, Philadelphia, PA
Residency: Anatomic and Clinical Pathology, Mayo Clinic, Rochester, MN
Fellowship: Surgical Pathology, Mayo Clinic, Rochester, MN

Certifications: Anatomic Pathology and Clinical Pathology
Clinical focus: Surgical Pathology, Hematopathology, Transfusion Medicine

Sandra K. Brooks, MD

Medical school: East Tennessee State University,  Johnson City, TN
Residency: Anatomic and Clinical Pathology, East Tennessee State University  Johnson City, TN
Certifications: Anatomic Pathology, Clinical Pathology, Cytopathology
Clinical focus: Cytopathology, Gynecologic Pathology and Women’s Health

Robert L. Schmadeka, MD

Medical school: American University of Caribbean, Sint Maarten
Residency: Anatomic and Clinical Pathology, University of Tennessee Health Science Center, Memphis, TN
Fellowship: Surgical and Breast Pathology, Stony Brook University, NY
Certifications: Anatomic Pathology and Clinical Pathology
Clinical focus: Surgical Pathology,  Breast Pathology

Elena Gertsen, MD, PhD

Medical school: Universitaetsklinikum Essen, Germany 
Residency: Anatomical and Clinical Pathology, East Tennessee State University, Johnson City, TN
Fellowship: Surgical Pathology, Mayo Clinic, Rochester, MN
Certifications: Anatomic Patholoyg and Clinical Pathology
Clinical focus: Surgical Pathology, Gynecologic Pathology, Resident Education