Mark Zhao, MD
Assistant Professor
Surgery
School of Medicine

Education & Training

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• Barnes-Jewish/Washington University, Colon and Rectal Surgery Fellowship 2023
• UC San Diego Health, General Surgery Residency 2022
• MAS University of California, San Diego 2019
• University of California, San Diego, Biomedical Informatics Fellowship (NLM T15) 2019
• MD University of Iowa, Carver College of Medicine 2015
• BS Biochemistry and Cell Biology University of California, San Diego 2010

Interests

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• Colorectal surgery
• endoscopy
• robotic surgery
• pelvic floor disorders
• informatics

Publications (36)

Top publication keywords:
Neuroendocrine TumorsPatients' RoomsRobotic Surgical ProceduresEquipment and Supplies, HospitalGastrectomyRectal NeoplasmsGuideline AdherenceComputers, HandheldStomach NeoplasmsCompensation and RedressWork Schedule ToleranceOperating RoomsSurgeonsInternship and ResidencyNomograms

• Increased Pathologic Downstaging with Induction versus Consolidation Chemotherapy in Patients with Locally Advanced Rectal Cancer Treated with Total Neoadjuvant Therapy-A National Cancer Database Analysis.
  Journal of clinical medicine 2024 Fan A, Zhao B, Vu P, Abbadessa B, Lopez N, Eisenstein S, Ramamoorthy S, Liu S
• Autologous Fat Grafting: an Emerging Treatment Option for Complex Anal Fistulas.
  Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract 2023 Huang EY, Zhao B, Llaneras J, Liu S, Stringfield SB, Abbadessa B, Lopez NE, Ramamoorthy SL, Parry LA, Gosman AA, Dobke M, Eisenstein S
• Conventional Frailty Index Does Not Predict Risk of Postoperative Complications in Patients With IBD: A Multicenter Cohort Study.
  Diseases of the colon and rectum 2022 Rozich JJ, Zhao B, Luo J, Luo WY, Eisenstein S, Singh S, NSQIP-IBD Collaborative
• Current trends in nonoperative management for rectal adenocarcinoma: An unequal playing field?
  Journal of surgical oncology 2022 Lee KC, Zhao B, Pianka K, Liu S, Eisenstein S, Ramamoorthy S, Lopez NE
• Factors associated with refusing surgery versus planned nonoperative management for rectal cancer.
  Surgery 2022 Pianka K, Zhao B, Lee K, Liu S, Eisenstein S, Ramamoorthy S, Lopez N

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• National Cancer Database trends in surgical resection of the breast primary for stage IV breast cancer.
  Surgical oncology 2022 Douglas SR, Lizarraga IM, Boughey JC, Weiss A, Hunt KK, Dickson-Witmer D, Subhedar PD, Park KU, Zhao B, Blair SL
• Tailored order set in the electronic health record decreases postoperative opioid prescriptions.
  Surgery 2022 Mou Z, Chau H, Kalavacherla S, Radgoudarzi N, Soliman SI, Zhao B, Mekeel K
• Robotic left-stapled total intracorporeal bowel anastomosis versus stapled partial extracorporeal anastomosis: operative technical description and outcomes.
  Surgical endoscopy 2022 Hollandsworth HM, Li K, Zhao B, Abbadessa B, Lopez NE, Parry L, Ramamoorthy S, Eisenstein S
• Location of Gastrointestinal Stromal Tumor (GIST) in the Stomach Predicts Tumor Mutation Profile and Drug Sensitivity.
  Clinical cancer research : an official journal of the American Association for Cancer Research 2021 Sharma AK, de la Torre J, IJzerman NS, Sutton TL, Zhao B, Khan TM, Banerjee S, Cui C, Nguyen V, Alkhuziem M, Snaebjornsson P, van Boven H, Bruining A, Tang CM, Yoon H, De la Fuente A, Kato S, Patel H,…
• Commission on Cancer Facility Type is Associated with Overall Survival in Patients with Gastric Adenocarcinoma in the United States.
  Annals of surgical oncology 2021 Banerjee S, Zhao B, Sicklick JK, Aslam S, Burgoyne AM, Kelly KJ
• Evaluation of a progressive algorithmic approach for the treatment of unresectable colon polyps using colon conservation techniques.
  Surgical endoscopy 2020 Zhao B, Roper MT, Klaristenfeld DD, Tomassi MJ
• Fluorescent cholangiography significantly improves patient outcomes for laparoscopic cholecystectomy.
  Surgical endoscopy 2020 Broderick RC, Lee AM, Cheverie JN, Zhao B, Blitzer RR, Patel RJ, Soltero S, Sandler BJ, Jacobsen GR, Doucet JJ, Horgan S
• It's not always too late: a case for minimally invasive salvage esophagectomy.
  Surgical endoscopy 2020 Broderick RC, Lee AM, Blitzer RR, Zhao B, Lam J, Cheverie JN, Sandler BJ, Jacobsen GR, Onaitis MW, Kelly KJ, Bouvet M, Horgan S
• Multiquadrant surgery in the robotic era: a technical description and outcomes for da Vinci Xi robotic subtotal colectomy and total proctocolectomy.
  Surgical endoscopy 2020 Hollandsworth HM, Stringfield S, Klepper K, Zhao B, Abbadessa B, Lopez NE, Parry L, Ramamoorthy S, Eisenstein S
• Cost-effectiveness Analysis of Genetic Testing and Tailored First-Line Therapy for Patients With Metastatic Gastrointestinal Stromal Tumors.
  JAMA network open 2020 Banerjee S, Kumar A, Lopez N, Zhao B, Tang CM, Yebra M, Yoon H, Murphy JD, Sicklick JK
• Local excision versus radical resection in patients with rectal neuroendocrine tumours: a propensity score match analysis.
  ANZ journal of surgery 2020 Zhao B, Hollandsworth HM, Lopez NE, Parry LA, Abbadessa B, Cosman BC, Ramamoorthy SL, Eisenstein S
• Systematic failure to operate on colorectal cancer liver metastases in California.
  Cancer medicine 2020 Raoof M, Jutric Z, Haye S, Ituarte PHG, Zhao B, Singh G, Melstrom L, Warner SG, Clary B, Fong Y
• Using a Location-Sensing Time-Keeping App to Help Track Resident Work Hours.
  Journal of graduate medical education 2020 Zhao B, Lam J, Lee AM, El-Kareh RE, Jacobsen GR
• Outcomes for a Large Cohort of Patients with Rectal Neuroendocrine Tumors: an Analysis of the National Cancer Database.
  Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract 2020 Zhao B, Hollandsworth HM, Lopez NE, Parry LA, Abbadessa B, Cosman BC, Ramamoorthy SL, Eisenstein S
• Synchronous metastatic colon cancer and the importance of primary tumor laterality - A National Cancer Database analysis of right- versus left-sided colon cancer.
  American journal of surgery 2019 Zhao B, Lopez NE, Eisenstein S, Schnickel GT, Sicklick JK, Ramamoorthy SL, Clary BM
• Adherence with operative standards in the treatment of gastric cancer in the United States.
  Gastric cancer : official journal of the International Gastric Cancer Association and the Japanese Gastric Cancer Association 2019 Zhao B, Blair SL, Katz MHG, Lowy AM, Kelly KJ
• Treatment for occult breast cancer: A propensity score analysis of the National Cancer Database.
  American journal of surgery 2019 Tsai C, Zhao B, Chan T, Blair SL
• Making the Jump: A Qualitative Analysis on the Transition From Bedside Assistant to Console Surgeon in Robotic Surgery Training.
  Journal of surgical education 2019 Zhao B, Hollandsworth HM, Lee AM, Lam J, Lopez NE, Abbadessa B, Eisenstein S, Cosman BC, Ramamoorthy SL, Parry LA
• Surgeon Awareness of the Relative Costs of Common Surgical Instruments.
  JAMA surgery 2019 Zhao B, Childers CP, Hays RD, Ettner SL, Alban RF, Maggard-Gibbons M, Clary BM
• Predicting Overall Survival in Patients with Metastatic Rectal Cancer: a Machine Learning Approach.
  Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract 2019 Zhao B, Gabriel RA, Vaida F, Lopez NE, Eisenstein S, Clary BM
• General surgery training in the era of robotic surgery: a qualitative analysis of perceptions from resident and attending surgeons.
  Surgical endoscopy 2019 Zhao B, Lam J, Hollandsworth HM, Lee AM, Lopez NE, Abbadessa B, Eisenstein S, Cosman BC, Ramamoorthy SL, Parry LA
• Utilization of Hospital Room Hospitality Features on Patient-Controlled Tablet Computers: Cohort Study.
  JMIR mHealth and uHealth 2019 Zhao B, Tai-Seale M, Longhurst C, Clay B
• Adherence to surgical and oncologic standards improves survival in breast cancer patients.
  Journal of surgical oncology 2019 Zhao B, Tsai C, Hunt KK, Blair SL
• Technology-Enabled Consumer Engagement: Promising Practices At Four Health Care Delivery Organizations.
  Health affairs (Project Hope) 2019 Tai-Seale M, Downing NL, Jones VG, Milani RV, Zhao B, Clay B, Sharp CD, Chan AS, Longhurst CA
• Evaluation of treatment and outcomes for Hispanic patients with gastric cancer at Commission on Cancer-accredited centers in the United States.
  Journal of surgical oncology 2019 Zhao B, Leichman LP, Horgan S, Bouvet M, Kelly KJ
• A Machine Learning Approach to Predicting Case Duration for Robot-Assisted Surgery.
  Journal of medical systems 2019 Zhao B, Waterman RS, Urman RD, Gabriel RA
• Effects of a Surgical Receipt Program on the Supply Costs of Five General Surgery Procedures.
  The Journal of surgical research 2018 Zhao B, Tyree GA, Lin TC, Vaida F, Stock BJ, Hamelin TA, Clary BM
• Malpractice allegations: A reality check for resident physicians.
  American journal of surgery 2018 Zhao B, Cajas-Monson LC, Ramamoorthy S
• An ERAS protocol for bariatric surgery: is it safe to discharge on post-operative day 1?
  Surgical endoscopy 2018 Lam J, Suzuki T, Bernstein D, Zhao B, Maeda C, Pham T, Sandler BJ, Jacobsen GR, Cheverie JN, Horgan S
• Voice Enabled Framework to Support Post-Surgical Discharge Monitoring.
  AMIA ... Annual Symposium proceedings. AMIA Symposium 2018 Blansit K, Marmor R, Zhao B, Tien D
• Comparison of Lecture-Based Learning vs Discussion-Based Learning in Undergraduate Medical Students.
  Journal of surgical education 2015 Zhao B, Potter DD