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Pathology & Laboratory Medicine

Contact Information

Looking through a MicroscopeRochester General Hospital
1425 Portland Ave., Box 400
Rochester, NY 14621

Phone Numbers

Pathology (Surgical Pathology or Autopsy Pathology): (585) 922-4121

Cytopathology Laboratory: (585) 922-4431

Laboratory Services: (585) 922-4451

Insurance & Courier Services

The Rochester General Hospital Laboratory accepts all insurance plans, including Medicare and Medicaid. Courier services are available for convenient pick-up and delivery of supplies, specimens and reports* by calling (585) 922-4526.

* Internet access to surgical pathology and cytology results is also available.

About the Department of Pathology & Laboratory Medicine

TThe Rochester General Hospital Department of Pathology & Laboratory Medicine is a nationally and regionally recognized Laboratory accredited by CAP, NYS DOH, JCAHO and the AABB with a superior record for quality, customer service and rapid turnaround of diagnostic results. The Laboratory Medicine Division offers comprehensive testing menus in Clinical Chemistry, Hematology, Urinalysis, Advanced Coagulation, Flow Cytometry, Microbiology, Molecular Diagnostics and Transfusion Medicine using state-of-the-art analytical and testing equipment, including robotics; testing is performed 24 hours a day, 7 days a week.

The Pathology Division includes Surgical Pathology, Cytology and Autopsy services, led by a team of experienced pathologists with subspecialty board certifications in Blood Banking, Cytopathology, Dermatopathology, Hematology, Molecular Genetic Pathology and Pediatric Pathology. The RGH Cytopathology Laboratory, one of the largest in upstate New York, includes nine subspecialty boarded Cytopathologists and performs 100,000+ cytologic evaluations annually. Areas of expertise in Surgical Pathology & Cytology include:

  • Gynecologic pathology & cytology (SurePath™ liquid based Pap tests)
  • Breast pathology, including fine needle aspiration
  • Non-gynecologic cytology
  • Dermatopathology & oral pathology
  • Head, neck and pulmonary pathology
  • Gastrointestinal & genitourinary pathology
  • Hematopathology
  • Neonatal and pediatric pathology

For both Pathology and Laboratory Medicine questions and assistance, pathologists are always available for consultations by phone (585.922.4121) or email to discuss individual patients. They participate in 30+ monthly interdisciplinary conferences with colleagues from many different disciplines and actively support Oncology Services, including the Lipson Cancer Center and RGH Breast Care Center of Excellence. The Department serves providers and their patients throughout the community, including a partnership with the RGHS Ambulatory Care Affiliate which supports many collection stations in Monroe, Livingston, Ontario, Livingston and Wayne Counties.

In all, over 400 dedicated and highly skilled individuals – PA’s, Technologists, Technicians, Phlebotomists and other support staff – work together with pathologists to provide excellent patient care through comprehensive outpatient and inpatient laboratory and pathology diagnostic services.


Dr. Dawn RiedyDawn K. Riedy, MD

Chief, Pathology & Laboratory Medicine

Dr. William Fricke
William Fricke, MD

Associate Chief, Pathology & Laboratory Medicine

Timothy VanVessem

Timothy VanVessem
Sr. Administrative Director    

Karen M. Clary, MD
Director, Cytopathology








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