
Meet Our Physicians
The professional medical staff at X-Cell includes fifteen prominent Board-Certified pathologists with over 338 years of combined experience.

Michael S.Albert, MD,FCAP
Pathologist
Board Certified: Anatomic & Clinical Pathology
Special interests: Blood Banking
Residency: Anatomic & Clinical Pathology, University of Rochester Medical Center
28 years in practice
Michael S. Albert,MD

John Asirwatham, MD
John Asirwatham, MD
Pathologist
Board Certified: Anatomic & Clinical Pathology
Special interests: Breast, Gynecological, Urological, Bone & Soft Tissue Pathology
Residency: Anatomic & Clinical Pathology, State University of New York at Buffalo
43 years in practice
John Asirwatham,MD

Usha Ghai Chopra, MD
President
Board Certified: Anatomic & Clinical Pathology
Special interests: Cytopathology & Gynecological Pathology
Residency: Anatomic & Clinical Pathology, State University of New York at Buffalo
38 years in practice
Usha Ghai Chopra, MD

Kelly J. Garner, MD
Kelly J. Garner, MD
Hematopathologist
Board Certified: Anatomic & Clinical Pathology & Hematopathology
Special interests: Flow Cytometry
Fellowship: Hematopathology, University of Rochester Medical Center
Residency: Anatomic & Clinical Pathology, University of Pittsburgh Medical Center
7 years in practice
Kelly J.Garner, MD

Yan Hu, MD
Pathologist
Yan Hu, MD
Board Certified: Anatomic & Clinical Pathology
Special interests: Gastrointestinal & Gynecological Pathology
Fellowship: Surgical Pathology, University of Pennsylvania
Residency: Anatomic & Clinical Pathology, State University of New York at Buffalo
6 years in practice

Hasan Khatib, MD
Pathologist
Hasan Khatib, MD
Board Certified: Anatomic & Clinical Pathology
Special interests: Cytopathology, Breast & Gynecological Pathology
Fellowship: Cytopathology, Breast & Gynecological Pathology, University of Rochester Medical Center
Residency: Anatomic & Clinical Pathology, Baystate Medical Center
1 years in practice

Catherine Li, Ph.D
Director of Cytogenetics & Molecular Diagnostics
Board Certified: Medical Genetics & Genomics & Clinical Chemistry (Molecular Diagnostics)
Fellowship: Cytogenetics, Canadian College of Medical Geneticists
13 years in practice
Catherine Li, Ph.D

Vishala Neppalli, MD
Board Certified: American Board of Pathology, Anatomic & Clinical Hematopathology
Special interests: Neoplastic Hematopathology; Lymph Node Pathology
Fellowship: Anatomic Pathology, University of Minnesota. Hematopathology, University of Nebraska Medical Center.
Residency: University of Minnesota
19 years in practice
Vishala Neppalli, MD
Pathologist

Rebecca Z. Ocque, MD
Pathologist
Board Certified: Anatomic & Clinical Pathology & Cytopathology
Special interests: Gastrointestinal Pathology
Fellowship: Cytopathology & Surgical Pathology with Gastrointestinal focus, University of Pittsburgh Medical Center
Residency: Anatomic & Clinical Pathology, University of Pittsburgh Medical Center
6 years in practice
Rebecca Z. Ocque, MD

Sateesh K. Satchidanand, MD
Medical Director
Board Certified: Anatomic & Clinical Pathology
Special interests: Liver & Gastrointestinal Pathology
Residency: Anatomic & Clinical Pathology, State University of New York at Buffalo
41 years in practice
Sateesh K. Satchidanand, MD

D. Michael Slate II, MD
Pathologist
Board Certified: Anatomic & Clinical Pathology
Special interests: Gynecological Pathology
Residency: Anatomic & Clinical Pathology, State University of New York at Buffalo
22 years in practice
D. Michael Slate II, MD

Barbara K. Stefanick, MD
Pathologist
Board Certified: Anatomic & Clinical Pathology
Special interests: Renal & Breast Pathology
Residency: Anatomic & Clinical Pathology, State University of New York at Buffalo
22 years in practice
Barbara K.Stefanick,MD

Walter Walek, MD
Pathologist
Board Certified: Anatomic & Clinical Pathology & Cytopathology
Special interests: Cytopathology
Fellowship: Cytopathology, University of Pittsburgh Medical Center
Residency: Anatomic & Clinical Pathology, State University of New York at Buffalo
16 years in practice
Walter Walek, MD

Mohamed Y. Zeid, MD
Pathologist
Board Certified: Anatomic & Cytopathology
Special interests: Cytopathology
Residency: Anatomic Pathology, State University of New York at Buffalo
35 years in practice
Mohamed Y. Zeid, MD

Jia Zhao, MD
Pathologist
Board Certified: Anatomic & Clinical Pathology
Special interests: Oncological, Breast, Gynecological Pathology
Fellowship: Surgical oncology, Roswell Park Cancer Institute
Residency: Anatomic & Clinical Pathology, University of Toledo College of Medicine
20 years in practice
Jia Zhao, MD

Young Zhou, MD
Pathologist
Board Certified: Anatomic & Clinical Pathology
Special interests: Gastrointestinal Pathology
Residency: Anatomic & Clinical Pathology, University of Illinois College of Medicine
21 years in practice