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Pathology & Laboratory Services

One patient at a time - CDx Diagnostics’ team of highly trained and tenured pathologists is dedicated to advancing patient care with diagnostic precision, providing timely and accurate diagnostic services with the power of AI 3D imaging analysis.


Our pathologists have:

  • 350+ years of combined anatomic and clinical pathology experience from a wide array of academic and commercial laboratories, universities and institutions.
  • Published more than 300 peer-reviewed studies, journal articles, and textbook chapters.
  • Held laboratory leadership roles at major hospitals and diagnostic companies



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If you have questions about a specific case, please fill out the form to request a consultation.

Our Pathology Team

Patricia Romano, M.D.

Managing Laboratory Director

Dr. P. Romano has over 35 years of experience as an anatomic pathologist in academic, community hospital, and private laboratory settings. She served as Senior Medical Officer at Shiel Medical Laboratory, a division of Fresenius Medical Care, for 11 years prior to joining CDx Diagnostics as a pathologist in 2018. Her past positions included Vice President and Director of Laboratories for MetPath and Clinical Diagnostic Services.

Contact Dr. Romano

Julián Arce, M.D.


Dr. Arce graduated magna cum laude from University of Puerto Rico School of Medicine. He completed his pathology residency and received his cytopathology training at Albert Einstein College of Medicine (AECOM)/Montefiore Medical Center (MMC) in Bronx, NY.

Jianxiong Bao, M.D, Ph.D


Dr. J. Bao received his medical degree from Shanghai Medical University, with a Ph.D. from Tulane University School of Medicine. He had a residency in Anatomic and Clinical Pathology from University of Kansas Medical Center with a Cytopathology residency at St. Louis University School of Medicine.

Donghong Cai, M.D., Ph.D.


Dr. Cai is a board-certified anatomic and clinical pathologist with specialty boards in hematopathology.

Charvi Cassano M.D., Ph.D.


Dr. Charvi Cassano is a board-certified pathologist and cytopathologist. She has been practicing at CDx Diagnostics for 5 years and has experience as a QA consultant pathologist for the Veteran’s Administration, and a Laboratory Director at various clinical labs.

Bhuvaneswari Dorai, M.D.


Dr. B. Dorai is board-certified pathology in Anatomic, Clinical and Cytopathology. She has been a pathologist with CDx Diagnostics for 8 years.

Frank Fromowitz, M.D.


Dr. Frank Fromowitz is a board-certified pathologist with over 35 years of experience as an anatomic pathologist in academic, community hospital, and private laboratory settings, including work in the pathology of the gastrointestinal tract.

Karen Hoffman, M.D.

Director of Research

Dr. Hoffman is the Director of Research at CDx Diagnostics responsible for developing and supervising clinical studies. She has been at CDx for 3 years.

Seshamma Reddy, M.D., Ph.D.


Dr. Reddy is a board-certified anatomic pathologist with post graduate training in molecular genetics and a Ph.D. in Medicinal Chemistry. She is a full-time Pathologist at CDx Laboratories for the past 10 years.

Rakhee Saxena, M.D.


Dr. Saxena completed her medical school training at Govt. Medical College, Jabalpur, India. She completed her residency from SUNY Buffalo, NY, followed by two fellowships in Oncologic Pathology and Hematopathology at Memorial Sloan Kettering Cancer Center in New York City.

Jacob Schreiber, M.D.


Dr. Schreiber completed his medical school at the Medical College of Wisconsin. His residency training for Anatomic and Clinical Pathology was at SUNY Stony Brook, where he was chief Resident.  He completed a Post-Doctoral Fellowship at NY-Presbyterian Hospital Columbia University for Surgical Pathology and GI Pathology.

Klaus Schreiber, M.D., Ph. D.

Director of Cytology

Klaus Schreiber, M.D., is a board-certified anatomic pathologist, specializing in Cytopathology. He was graduated from University of Vienna, Medical School and completed his pathology residency at the  Francis Delafield Hospital of Columbia University.   He then had a fellowship in cytopathology at Memorial Sloan Kettering Cancer Center in NYC under the direction of Dr. L.G. Koss, one of the founding fathers of cytology.

Laboratory Services

CDx Diagnostics provides cytology, histology, histocytology, and immunohistochemistry assessments in evaluating specimens for abnormalities in order to assist medical professionals in preventing the development of cancer.

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Laboratory Services

Learn about the diagnostic assessments used in evaluating specimens.