Meet Our Physicians

Stephen Bell, M.D.

Medical School:

Creighton University School of Medicine

Residency:

Stanford University Medical Center

Fellowship:

Stanford University Medical Center / Surgical Pathology

Board Certification:

Anatomic Pathology

Patrick R. Hemmer, M.D.

Medical School:

University of South Dakota School of Medicine

Residency:

Mayo Clinic Medical School

Fellowship:

Mayo Clinic / Surgical Pathology, Gastrointestinal Pathology

Board Certification:

Anatomic & Clinical Pathology

Onsi W. Kamel, M.D.

Medical School:

University of Chicago, Pritzker School of Medicine

Residency:

Stanford University Medical Center

Fellowship:

Stanford University Medical Center / Surgical Pathology, Immunohistochemistry

Board Certification:

Anatomic Pathology

Paul A. Kay, M.D., Ph.D

Medical School:

Mayo Medical School/Graduate School

Residency:

Mayo Clinic Medical School

Fellowship:

Mayo Clinic / Surgical Pathology

Board Certification:

Anatomic & Clinical Pathology

Bruce A. Marshall, M.D.

Medical School:

University of Missouri

Residency:

Ohio State University

Fellowship:

Ohio State University

Board Certification:

Clinical Pathology, Transfusion Medicine; International Board of Clinical & Applied Thrombosis, Hemostasis & Vascular Medicine Diplomate; Certified Tissue Bank Specialist, American Association of Tissue Banks

Lena Scherba, M.D.

Medical School:

Riga Medical School - Latvia

Residency:

University of California San Francisco

Fellowship:

Stanford University Medical Center, University of Southern California / Surgical Pathology & Hematology

Board Certification:

Anatomic & Clinical Pathology, Hematology

Chad J. DeFrain, M.D.

Medical School:

Wayne State University

Residency:

University of California, Irvine

Fellowship:

Memorial Sloan-Kettering Cancer Center

Board Certification:

Anatomic & Clinical Pathology, Cytopathology

Sandra K. Potter, P.A.

Education/Training:

Abion College Duke University Master of Health Sciences Pathologists' Assistant Program

Board Certification:

American Society for Clinical Pathology American Association of Pathologists' Assistant