Medical Staff

  • Anthony R. Victorio, M.D. – Medical Director

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    Anthony R. Victorio, M.D. – Medical Director

    Dr. Victorio joined YPMG in 2007.  He obtained his medical degree at Loma Linda University School of Medicine, Loma Linda, California and completed his residency in Anatomic and Clinical Pathology at Loma Linda University Medical Center.  In addition, Dr. Victorio completed a fellowship in Hematopathology at LAC-USC Medical Center, Los Angeles, California.  Dr. Victorio is Board certified in Anatomic and Clinical Pathology as well as Hematopathology.  He is the President and Medical Director of Yosemite Pathology.

  • Emad Kaabipour, M.D. – Medical Director

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    Emad Kaabipour, M.D. – Medical Director

    Dr. Kaabipour completed his combined Anatomic and Clinical Pathology Residency with Fellowship in Surgical Pathology at Pennsylvania Hospital of the University of Pennsylvania.
    Dr. Kaabipour grew up in the Bay Area of Northern California.  Following his tenure as Attending Staff Pathologist at Vanguard Hospital in Massachusetts, he decided to return to his family in California and joined YPMG in 2008.  He is the Medical Director of San Ramon Regional Medical Center and Precision Pathology.

  • Avtarinder K. Nijjar, M.D.

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    Avtarinder K. Nijjar, M.D.

    Dr. Nijjar joined YPMG in 1982.  She obtained her medical degree at the AFMC in Poona, India and completed her residency in Anatomic and Clinical Pathology at Cedars Sinai Medical Center, Los Angeles, California.  Dr. Nijjar is Board certified in Anatomic and Clinical Pathology.

  • Harvey C. Chang, M.D.

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    Harvey C. Chang, M.D.

    Dr. Chang joined YPMG in 1997.  He obtained his medical degree at the National Taiwan University College of Medicine in Taipei, Taiwan.   Dr. Chang completed his Anatomic and Clinical Pathology Residency at Thomas Jefferson University Hospital, Philadelphia, Pennsylvania and a fellowship in Research at Jefferson Cancer Institute in Philadelphia.  He also completed a fellowship in Dermatopathology at the Institute for Dermatopathology, Jefferson Medical College in Philadelphia, Pennsylvania.  Dr. Chang is Board certified in Anatomic and Clinical Pathology and Dermatopathology.

  • Shijun (John) Cui, M.D.

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    Shijun (John) Cui, M.D.

    Dr. Cui joined YPMG in 2003, and has served as the Cytopathology Director since 2005.  He obtained his medical degree at Beijing Medical University, Beijing, China and completed his residency in Anatomic and Clinical Pathology at UMDNJ-New Jersey Medical School in Newark, New Jersey.  Dr. Cui completed a Cytopathology fellowship at the Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York.  He is Board certified in Anatomic and Clinical Pathology as well as Cytopathology.

  • Marigold J. Ardron, M.D.

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    Marigold J. Ardron, M.D.

    Dr. Ardron joined YPMG in 1997.  She obtained her medical degree at Loma Linda University School of Medicine, Riverside, California and completed her residency in Anatomic and Clinical Pathology at Loma Linda University Medical Center, Riverside, California. Dr. Ardron is Board certified in Anatomic and Clinical Pathology.

  • Curtis R. Strong, M.D.

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    Curtis R. Strong, M.D.

    Dr. Strong joined YPMG in 2008.  He obtained his medical degree at the Medical College of Wisconsin, Milwaukee, Wisconsin.  Dr. Strong completed his residency in Anatomic and Clinical Pathology at the University of California, San Diego and a fellowship in Placental Pathology at the University of California, San Diego.   In addition, he completed a fellowship in Surgical Pathology at the University of California, San Diego.  Dr. Strong is Board certified in Anatomic and Clinical Pathology.

  • Sepideh Maftoun-Banankhah, M.D.

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    Sepideh Maftoun-Banankhah, M.D.

    Dr. Banankhah joined YPMG in 2010.  She obtained her medical degree at the Shiraz University of Medical Science in Iran.  She completed a residency in Anatomic and Clinical Pathology at Shiraz University of Medicine and at UT Southwestern Medical Center in Dallas, Texas.   In addition, she completed a fellowship in Cytopathology at UT Southwestern Medical Center. Dr. Banankhah is Board certified in Anatomic and Clinical Pathology.

  • Marnelli Bautista-Quach, M.D.

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    Marnelli Bautista-Quach, M.D.

    Dr. Bautista-Quach joined YPMG in 2013.  She obtained her medical degree at Loma Linda University School of Medicine.  She completed a residency in Anatomic and Clinical Pathology at Loma Linda University Medical Center.  In addition, she completed a fellowship in Hematopathology at City of Hope National Medical Center in 2013.  Dr. Bautista-Quach is Board certified in Anatomic and Clinical Pathology, and Hematopathology.

  • Shawn C. Emery, M.D.

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    Shawn C. Emery, M.D.

    Dr. Emery earned his medical degree at the University Of California San Diego School Of Medicine. Dr. Emery is Board certified in Anatomic and Clinical Pathology and did fellowships in Surgical Pathology, Cytopathology, and fetal-maternal & placental pathology at UCSD. He was Chief Resident of Pathology at UCSD Medical Center.  Having worked for over a decade in laboratories with high volumes of endoscopic gastrointestinal biopsies, Dr. Emery’s main area of interest and expertise is gastrointestinal pathology.  He joined Merced Pathology Medical Group in 2010.

  • Tony L. Yang, M.D., PhD

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    Tony L. Yang, M.D., PhD

    Dr. Yang joined YPMG in April, 2015. He obtained his medical degree and PhD (Human Genetics) at University of Michigan Medical School in Ann Arbor, Michigan (2001).  He completed his Anatomic and Clinical pathology residency at UCSF (2005).  In addition, he has completed fellowships in Hematopathology and Surgical Pathology, both at UCSF (2006, 2007).  He is board certified in Anatomic and Clinical Pathology, and Hematopathology.  For eight years, he practiced and eventually became director at a group general pathology practice in Reno, NV prior to returning to the Bay Area.

  • Jonathan Chow, M.D.

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    Jonathan Chow, M.D.

    Dr. Chow joined YPMG in July, 2015.  He obtained his medical degree at State University of New York Downstate Medical Center College of Medicine.  His Anatomic and Clinical Pathology residency was completed at Mount Sinai Medical Center in New York City.  Additionally, he completed a fellowship in Hematopathology at the Montefiore Medical Center – Albert Einstein College of Medicine in Bronx, New York.  Dr. Chow is board certified in both Anatomic and Clinical Pathology as well as Hematopathology.

  • Martin Luu, M.D.

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    Martin Luu, M.D.

    Dr. Luu joined YPMG in August, 2015.  His medical degree was obtained at Drexel University College of Medicine in Philadelphia, PA.  He completed his pathology residency at Rhode Island Hospital – The Warren Alpert Medical School of Brown University in Providence, Rhode Island.  Dr. Luu has completed fellowships in Surgical Pathology and Cytopathology at the University of Massachusetts Memorial Medical Center in Worcester, Massachusetts, as well as a Molecular Genetic Pathology fellowship at the Oregon Health and Science University in Portland, Oregon.  Dr. Luu is board certified in Anatomic and Clinical Pathology, Molecular Genetic Pathology and Cytopathology.

  • Randy Hausted, M.D.

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    Randy Hausted, M.D.

    Dr. Hausted joined YPMG in November, 2015.  He earned his Medical degree from Loma Linda University School of Medicine in Loma Linda, CA.  He completed a pathology residency at Walter Reed Army Medical Center, Washington, D.C.  Dr. Hausted is board certified in Anatomic and Clinical Pathology.

  • Richard Danialan, D.O.

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    Richard Danialan, D.O.

    Dr. Danialan joined YPMG in March, 2016.  He received his D.O. from the University of New England, College of Osteopathic Medicine, Biddeford, MA in 2010.  His pathology residency was completed at Hartford Hospital in Hartford, CT, followed by completing a Dermatopathology Fellowship at MD Anderson Cancer Center, Houston, TX in June, 2015.  Dr. Danialan is board certified in Anatomic and Clinical Pathology as well as Dermatopathology.

  • Ashley J. Tarasen, M.D.

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    Ashley J. Tarasen, M.D.

    Dr. Tarasen joined YPMG in July, 2016.  She earned her medical degree from St. George’s University School of Medicine, St. George, Grenada and completed her Anatomic and Clinical Pathology Residency at Albany Medical College, Albany, NY. Dr. Tarasen completed a Dermatopathology Fellowship at the University of Alabama at Birmingham.  Dr. Tarasen is Board certified in Anatomic and Clinical Pathology as well as Dermatopathology.

  • Scott Silveira, M.D.

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    Scott Silveira, M.D.

    Dr. Silveira joined YPMG in 2016. He obtained his medical degree from the University of Kansas Medical Center in Kansas City, KS. Dr. Silveira completed his residency in Anatomic and Clinical Pathology followed by a pathology fellowship at the University of Michigan Hospital in Ann Arbor, MI. He is Board certified in Anatomic and Clinical Pathology.

  • Donovan Hare, M.D.

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    Donovan Hare, M.D.

    Dr. Hare joined YPMG in 2016. He obtained his medical degree from Loma Linda University Medical School in Loma Linda, CA and completed his residency program at Loma Linda University Medical Center. Dr. Hare completed a fellowship in Cytopathology at USC County, Los Angeles, CA. He is Board certified in both Anatomic and Clinical Pathology as well as Cytopathology.

  • Diane Sanders, M.D.

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    Diane Sanders, M.D.

    Dr. Sanders joined YPMG in 2016. She obtained her medical degree from St. George’s University School of Medicine and completed her residency program at U.C. Davis Medical Center in Sacramento, CA. Dr. Sanders completed a fellowship in Hematopathology at U.C. Davis Medical Center. She is Board certified in Anatomic and Clinical Pathology.

  • Ricardo Bardales, M.D.

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    Ricardo Bardales, M.D.

    Dr. Bardales joined YPMG in 2017. Ricardo H. Bardales, M.D., a graduate of the Universidad de San Marcos School of Medicine in Lima, Peru, completed his pathology residency and cytopathology fellowship at Montefiore Medical Center in New York City under the renowned Dr. Leopold G. Koss. He is Board Certified in Anatomic and Clinical Pathology as well as Cytopathology. Formerly on the faculty of the University of Arkansas for Medical Sciences as the Hennepin County Medical Center in Minneapolis, Minnesota, he is active in numerous national and international pathology organizations and is frequently an invited lecturer at meetings throughout the world. He has published 5 books, various chapters, and over 70 peer-reviewed publications. Dr. Bardales is fluent in Spanish.

  • Rana Tawil, M.D.

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    Rana Tawil, M.D.

    Dr. Tawil joined YPMG in 2017. She obtained her medical degree from St. George’s University School of Medicine and completed her pathology residency at Wayne State University in Detroit, Michigan. Dr. Tawil completed a fellowship in Hematopathology at New York University. She is Board certified in Anatomic and Clinical Pathology and holds subspecialty certification in Hematopathology.

  • Yingchuan Hu, M.D.

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    Yingchuan Hu, M.D.

    Dr. Hu joined YPMG in 2017. He earned his medical degree at West China University of Medical Sciences and completed his pathology residency at the University of Rochester in Rochester, New York.  Dr. Hu completed a GI and liver fellowship at Shands Hospital, University of Florida.  Dr. Hu completed a four month genitourinary (GU) fellowship training at Indiana University.  He is also very interested in Soft Tissue Pathology during his more than 20 year pathology career.  He is Board certified in Anatomic Pathology.

  • Alireza Torabi, M.D, PhD

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    Alireza Torabi, M.D, PhD

    Dr. Torabi joined YPMG in 2017. He obtained his medical degree at Shahid Beheshti University of Medical Sciences in Tehran, Iran. In addition, he holds a PhD in Cell and Molecular Biology which he obtained at the University of Nevada, Reno. Dr. Torabi completed his residency at University of Nebraska Medical Center followed by a fellowship in Hematopathology at William Beaumont Hospital in Michigan. He is Board certified in Anatomic and Clinical Pathology and holds subspecialty board certification in Hematopathology.

  • Xiangrong (Alex) Zhao, M.D.

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    Xiangrong (Alex) Zhao, M.D.

    Dr. Zhao joined YPMG in 2017.  She obtained her medical degree at Beijing Medical University in Beijing, China.  In addition, she holds a PhD in Endocrinology which she obtained at the University of California, Berkeley.  Dr. Zhao completed her residency at the University of Massachusetts – Berkshire Medical Center and New York University.  She completed a fellowship in Hematopathology at National Institutes of Health, Bethesda, Maryland.  Dr. Zhao is Board certified in Anatomic and Clinical Pathology and holds subspecialty board certification in Hematopathology. She is licensed in California, Florida, and Texas.

  • Michelle Iverson, M.D.

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    Michelle Iverson, M.D.

    Dr. Iverson joined YPMG in 2017.  She obtained her medical degree at Loma Linda University School of Medicine, Loma Linda, CA and completed her residency at Loma Linda University Medical Center.  Dr. Iverson completed both a surgical and cytopathology fellowship at LAC+USC Medical Center in Los Angeles, CA.  She is board certified in Anatomic and Clinical Pathology and holds subspecialty board certification in Cytopathology.

  • Bennet Omalu, M.D.

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    Bennet Omalu, M.D.

    Dr. Bennet Omalu holds four board certifications in Anatomic Pathology, Clinical Pathology, Forensic Pathology and Neuropathology. He also holds a Masters in Public Health [MPH] in Epidemiology and a Masters in Business Administration [MBA] from the Tepper School of Business, Carnegie Mellon University. Dr. Omalu is a fellow of the American Association of Physician Leadership, is board-certified in Medical Management and is a Certified Physician Executive. He has received three honorary doctorate degrees in addition to numerous other awards across the world. In 2017 Dr. Omalu received the “The Distinguished Service Award”, which is the highest award of the American Medical Association. Dr. Omalu has published many scientific papers, books and book chapters and his work and life have been featured across the world across all media platforms including award winning books, documentaries and in a Hollywood movie, “Concussion” in which Will Smith played Dr. Omalu. He lives in Sacramento, California with his wife and two children.

  • Masoud Asgari, M.D.

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    Masoud Asgari, M.D.

    Dr. Asgari joined YPMG in 2018. He obtained his medical degree from Ghazvin Medical University in Ghazvin, Iran and after 5 years of collaboration with Dr. A. Bernard Ackerman and Dr. Geoffrey Gottlieb at the Ackerman Academy of Dermatopathology in New York City, he completed his residency at Northwell Health–Staten Island University Hospital. Then, Dr. Asgari completed a Dermatopathology fellowship at the Wake Forest Baptist Medical Center in Winston-Salem, North Carolina. He is board-certified in Anatomical and Clinical Pathology with sub-specialty board certification in Dermatopathology. Dr. Asgari is the author of over 30-peer-reviewed publications.

  • Aqiba Bokhari, M.D.

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    Aqiba Bokhari, M.D.

    Dr. Bokhari joined YPMG in 2018. She obtained her medical degree at Allama Iqbal Medical College, Lahore Pakistan and completed her residency in Pathology at Rutgers-New Jersey Medical School, Newark, New Jersey. In addition, she completed a fellowship in Pediatric Pathology at The Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania and worked as an Attending Pediatric Pathologist at Strong Memorial Hospital-URMC, Rochester, New York and at Westchester Medical Center-NYMC, Valhalla, New York. She then completed a second fellowship in Cytopathology at UMMS-Baystate, Springfield, Massachusetts. Dr. Bokhari is Board certified in Anatomic Pathology, Pediatric Pathology and Cytopathology.