Jason Gregorio, MD

Board-Certified Anatomic / Clinical Pathologist
Jason Gregorio

Dr. Jason Gregorio is board certified in anatomical and clinical pathology by the American Board of Pathology. He received a degree in Chemistry from Cornell University and attended medical school at St. George’s University in Grenada, West Indies. He completed his AP/CP residency at the University of Texas Medical Branch in Galveston, and a surgical pathology fellowship at Washington University in St. Louis, with concentrations in gastrointestinal, urologic, and gynecological pathology.

After completing his fellowship, Dr. Gregorio joined Sagis as a Surgical Pathologist in 2012. In addition to his surgical pathology responsibilities, Dr. Gregorio is also a Laboratory Director at several clinical pathology laboratories and a plasma center.

Outside of his clinical responsibilities, Dr. Gregorio enjoys playing sports, cooking, traveling, and gardening. However, the thing he enjoys most is spending time relaxing with his wife and two daughters.


Fellowship Training

Surgical Pathology
Washington University School of Medicine
St. Louis, MO

Residency Training

Anatomic & Clinical Pathology
The University of Texas Medical Branch
Galveston, TX

Medical School

St. George’s School of Medicine
Grenada, West Indies


Cornell University
Ithaca, NY

Board Certifications

Anatomic & Clinical Pathology

The American Board of Pathology


College of American Pathologists

Research & Publications

  • Saydoff JA, Garcia RA, Browne SE, Liu L, Sheng J, Brenneman D, Hu Z, Cardin S, Gonzalez A, von Borstel RW, Gregorio J, Burr H, Beal MF. September 2006. Oral uridine pro-drug PN401 is neuroprotective in the R6/2 and N171-82Q mouse models of Huntington’s disease. Neurobiology of Disease.
  • Lorenzl S, Narr S, Angele B, Krell HW, Gregorio J, Kiaei M, Pfister HW, Beal MF. March 2006. The MMP inhibitor Ro 26-2853 extends survival in transgenic ALS mice. Experimental Neurology.
  • Gardian G, Browne SE, Choi DK, Klivenyi, Gregorio J, Kubilus JK, Ryu H, Langley B, Ratan RR, Ferrante RJ, Beal MF. January 2005. Neuroprotective effects of phenylbutyrate in the N171-82Q transgenic mouse model of Huntington’s disease. Journal of Biological Chemistry 280(1):556-63.
  • Lorenzl S, Calingasan N, Yang L, Albers DS, Shugama S, Gregorio J, Krell HW, Chirichigno J, Joh T, Beal MF. 2004. MMP-9 is elevated in MPTP-induced parkinsonism in mice. Neuromolecular Medicine. 5(2):119-32.
  • Yang L, Sugama S, Chirichigno JW, Gregorio J, Lorenzl S, Shin DH, Browne SE, Shimizu Y, Joh TH, Beal MF, Albers DS. Minocycline enhances MPTP toxicity to dopaminergic neurons. Oct 2003. Journal of Neuroscience Research. 74(2):278-85.