Affiliated Pathologists and Doctoral Level Scientists

Brian Pavlovitz, MD

Pathologist, Crouse Hospital

Pathology Associates of Syracuse, PC, at Crouse Hospital

Brian Pavlovitz, M.D. serves as medical director of our Operations Center laboratory. He is board certified in clinical and anatomic pathology and holds a subspecialty board certification in cytopathology. Dr. Pavlovitz is employed by Pathology Associates, P.C. and has been affiliated with Laboratory Alliance since 2023. Dr. Pavlovitz will continue to practice anatomic pathology at our Rapid Response Laboratory at Crouse Health in addition to his role as medical director of the Operations Center. Dr. Pavlovitz attended St. George’s University School of Medicine and did his residency at Upstate Medical University in Syracuse. He completed a Fellowship in Cytopathology at Virginia Commonwealth University in Richmond, Va. 

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Rachel C. Elder, MD

Medical Advisor, Transfusion Services

Co-medical Advisor, General Hematology

Pathology Associates of Syracuse, PC, at Crouse Hospital

Dr. Elder is the director of laboratories at Crouse Hospital. Dr. Elder also serves as Laboratory Alliance's medical advisor of transfusion services and co-medical advisor of general hematology. She is board certified in anatomic and clinical pathology. After graduating from New York Medical College in 1981, Dr. Elder completed an internship and fellowship in Surgical Transplantation followed by a residency in Anatomic and Clinical Pathology at Hartford Hospital in Hartford, Conn.

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Mark Costaldi, MD

Assistant Medical Advisor, Histology

Pathology Associates of Syracuse, PC, at Crouse Hospital

Dr. Costaldi is a staff pathologist at Pathology Associates of Syracuse, practicing at Crouse Hospital. He earned his master’s and medical degrees from St. Louis University in Missouri after completing his undergraduate studies majoring in chemistry at Rockhurst University in Kansas City, Mo. He did his residency in pathology and fellowship in hematopathology at the University Hospitals Case Medical Center in Cleveland, Ohio, and a fellowship in cytopathology at the University of Rochester. Dr. Costaldi is board certified in anatomic pathology, clinical pathology, hematology (pathology) and cytopathology.

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Paul A. Granato, PhD, DABMM

Doctoral Level Scientist

Director of Microbiology / Scientific Director, Clinical Microbiology

Dr. Granato has served as the chief of microbiology at the Syracuse Veterans Affairs Medical Center, clinical microbiologist at Crouse Hospital, and consultant clinical microbiologist for the Onondaga County Department of Health and Centrex Clinical Laboratories. He was on the faculty at SUNY Upstate Medical University for more than 35 years and is currently professor emeritus in the Department of Pathology. Dr. Granato has also served on two microbiology editorial boards and many national committees. He has authored three textbooks and over 125 book chapters, scientific articles and abstracts. He serves as the director of microbiology for Laboratory Alliance, is a Diplomate of the American Board of Medical Microbiology and is an elected Fellow by the American Academy of Microbiology.

Dr. Granato graduated from Le Moyne College, earned his doctoral degree in microbiology and molecular biology from Syracuse University, and completed a post-doctoral fellowship in clinical microbiology and infectious diseases at Columbia University, College of Physicians and Surgeons in New York City. 

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Evan Himchak, MD

Pathologist, Crouse Hospital

Pathology Associates of Syracuse, PC, at Crouse Hospital

Dr. Himchak is affiliated with Pathology Associates of Syracuse and practices at Crouse Hospital. He attended Rutgers University, New Jersey School of Medicine, and did his residency at Montefiore Medical Center in the Bronx. He completed a Fellowship in Hematopathology at City of Hope Comprehensive Cancer Center in Duarte, Calif. Dr. Himchak is board certified in anatomic and clinical pathology and holds a sub-specialty certification in hematopathology.

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Margaret Kowalski, MD

Pathologist, Crouse Hospital

Pathology Associates of Syracuse, PC, at Crouse Hospital

Dr. Kowalski is affiliated with Pathology Associates of Syracuse and practices at Crouse Hospital. She attended Medical College of Georgia in Augusta and did her residency at Eisenhower Army Medical Center in Fort Gordon, Ga. Dr. Kowalski is board certified in anatomic and clinical pathology.

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Teriza Shehatou, MD

Medical Advisor, Hematology

Pathology Associates of Syracuse, PC, at Crouse Hospital

Dr. Shehatou is affiliated with Pathology Associates of Syracuse and practices at Crouse Hospital. She attended Ain Shams University School of Medicine and did her residency at Berkshire Medical Center. Fellowships in Surgical Pathology and Hematopathology were completed at Hartford Hospital. Dr. Shehatou is board certified in anatomic and clinical pathology and she holds a sub-specialty certification in hematopathology.

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