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Mark S. Friedman, MD

Specialty: Gastroenterology
Program: Gastrointestinal Oncology

Call 1-888-MOFFITT

Call 1-888-MOFFITT

Locations: Moffitt Cancer Center

Dr. Friedman earned his MD degree at the SUNY Downstate Medical Center. He completed an Internal Medicine Residency at George Washington University Medical Center and a Gastroenterology Fellowship at Albany Medical Center. After completing training, Dr. Friedman worked with Gastrohealth in Miami, Florida for 3 years.  He currently is an Assistant Member in the department of GI Oncology at Moffitt Cancer Center. He also holds an academic appointment as an Assistant Professor in the department of Oncological Sciences at the University of South Florida. Dr. Friedman’s clinical interests are in colorectal cancer screening, diagnosis and management of inflammatory bowel disease, celiac disease, and gastritis. He treats a wide variety of liver associated diseases such as hepatitis C, hepatitis B, autoimmune hepatitis, hereditary hemochromatosis and fatty liver disease. His research interests include hepatocellular disease, colorectal cancer screening trends and guidelines, and diverticular disease risk factors.   

Education & Training

Board Certification:

  • Gastroenterology
  • Internal Medicine


  • Albany Medical College - Gastroenterology


  • George Washington University Medical Center - Internal Medicine

Medical School:

  • SUNY Downstate Medical Center - MD
Lowell E. Bellin Award for Excellence in Preventative Medicine And Community HealthSponsor: SUNY Downstate Medical Center, Brooklyn, NY Start Year: 2005 End Year: 2005
Travel Grant, The 7th International Conference Of Cellvizio UsersSponsor: Mauna Kea Technologies Start Year: 2015 End Year: 2015
Participating Trials

If you believe you are eligible for one of these trials or studies, please call
813-745-6100 or toll-free 1-800-679-0775.


  • Luu C, Thapa R, Rose T, Woo K, Jeong D, Thomas K, Chen DT, Friedman M, Malafa MP, Hodul PJ. Identification of nonalcoholic fatty liver disease following pancreatectomy for noninvasive intraductal papillary mucinous neoplasm. Int J Surg. 2018 Oct;58:46-49. Pubmedid: 30218781.
  • Mohammadi H, Abuodeh Y, Jin W, Frakes J, Friedman M, Biebel B, Choi J, El-Haddad G, Kis B, Sweeney J, Hoffe S. Using the Albumin-Bilirubin (ALBI) grade as a prognostic marker for radioembolization of hepatocellular carcinoma. J Gastrointest Oncol. 2018 Oct;9(5):840-846. Pubmedid: 30505583. Pmcid: PMC6219966.
  • Frakes JM, Abuodeh YA, Naghavi AO, Echevarria MI, Shridhar R, Friedman M, Kim R, El-Haddad G, Kis B, Biebel B, Sweeney J, Choi J, Anaya D, Giuliano AR, Hoffe SE. Viral hepatitis associated hepatocellular carcinoma outcomes with yttrium-90 radioembolization. J Gastrointest Oncol. 2018 Jun;9(3):546-552. Pubmedid: 29998020. Pmcid: PMC6006034.
  • Saligram S, Lim D, Pena L, Friedman M, Harris C, Klapman J. Safety and feasibility of esophageal self- expandable metal stent placement without the aid of fluoroscopy. Dis Esophagus. 2017 Aug;30(8):1-6. Pubmedid: 28575246.
  • Friedman MS, Manini AF. Validation of Criteria to Guide Prehospital Naloxone Administration for Drug-Related Altered Mental Status. J Med Toxicol. 2016 Sep;12(3):270-275. Pubmedid: 27083903. Pmcid: PMC4996789.
  • Mohammadi H, Abuodeh YA, Jin W, Frakes JM, Friedman M, Biebel B, Choi J, El-Haddad GE, Kis B, Sweeney J, Kim R, Pimiento JM, Malafa MP, Anaya D, Hoffe SE. Using the ALBI Grade as a Prognostic Marker for Radioembolization of Hepatocellular Carcinoma. Int J Radiat Oncol Biol Phys. 2016 Oct;96(2S):E194-E195.
  • Hanna C, Mullinax J, Friedman MS, Sanchez J. Jejunal diverticulosis found in a patient with long-standing pneumoperitoneum and pseudo-obstruction on imaging: a case report. Gastroenterol Rep (Oxf). 2016 Nov;4(4):337-340. Pubmedid: 26220890. Pmcid: PMC5193057.
  • Huang H, Taylor DC, Carson RT, Sarocco P, Friedman M, Munsell M, Blum SI, Menzin J. Economic Evaluation of Linaclotide for the Treatment of Adult Patients With Chronic Idiopathic Constipation in the United States. Manag Care. 2016 Feb;25(2):41-48. Pubmedid: 27008836.
  • Tan E, Shao H, Friedman M. Mycosis Fungoides of the Rectum: Case Report and Review of the Literature. J Gastrointest Cancer. 2016 Dec;47(4):417-419. Pubmedid: 26195195.
  • Khalpey Z, Marsh KM, Ferng A, Riaz IB, Hemphill C, Penick K, Oliva I, Friedman M. First in Man: Sternal Reconstruction with Autologous Stem Cells. Asaio J. 2015 Sep;61(5):e31-e32. Pubmedid: 25914951.
  • Bucur O, Almasan A, Zubarev R, Friedman M, Nicolson GL, Sumazin P, Leabu M, Nikolajczyk BS, Avram D, Kunej T, Calin GA, Godwin AK, Adami HO, Zaphiropoulos PG, Richardson DR, Schmitt-Ulms G, Westerblad H, Keniry M, Grau GE, Carbonetto S, Stan RV, Popa-Wagner A, Takhar K, Baron BW, Galardy PJ, Yang F, Data D, Fadare O, Yeo KJ, Gabreanu GR, Andrei S, Soare GR, Nelson MA, Liehn EA. An updated h-index measures both the primary and total scientific output of a researcher. Discoveries (Craiova). 2015 Oct;3(3). Pubmedid: 26504901. Pmcid: PMC4617786.
  • Tan E, Friedman M, Coppola D. Occurrence of Multiple Tumors in a Patient. Cancer Control. 2015 Oct;22(4):505-507. Pubmedid: 26678978.
  • Torres HA, Chong PP, De Lima M, Friedman MS, Giralt S, Hammond SP, Kiel PJ, Masur H, McDonald GB, Wingard JR, Gambarin-Gelwan M. Hepatitis C Virus Infection among Hematopoietic Cell Transplant Donors and Recipients: American Society for Blood and Marrow Transplantation Task Force Recommendations. Biol Blood Marrow Tr. 2015 Nov;21(11):1870-1882. Pubmedid: 26256943.
  • Huang H, Taylor DC, Carson RT, Sarocco P, Friedman M, Munsell M, Blum SI, Menzin J. Economic evaluation of linaclotide for the treatment of adult patients with irritable bowel syndrome with constipation in the United States. J Med Econ. 2015 Apr;18(4):283-294. Pubmedid: 25333331.
  • Menzin J, Preblick R, Friedman M, Menzin J, Frean M, Jacqueline Kwong W. Treatment patterns and outcomes among hospitalized patients with venous thromboembolism in the United States: an analysis of electronic health records data. Hosp Pract (1995). 2014 Oct;42(4):59-74. Pubmedid: 25502130.
  • Myakishev-Rempel M, Stadler I, Brondon P, Axe DR, Friedman M, Nardia FB, Lanzafame R. A preliminary study of the safety of red light phototherapy of tissues harboring cancer. Photomed Laser Surg. 2012 Sep;30(9):551-558. Pubmedid: 22853435. Pmcid: PMC3423866.
  • Friedman M, Arja W, Batra R, Daniel S, Hoehn D, Paniz AM, Selegean S, Slova D, Srivastava S, Vergara N. Informed consent for blood transfusion: what do medicine residents tell? What do patients understand?. Am J Clin Pathol. 2012 Oct;138(4):559-565. Pubmedid: 23010711.
  • Friedman M, Arora G, Green J. Fellow involvement during colonoscopy does not reduce adenoma detection rate. Digest Dis Sci. 2011 Mar;56(3):919. Pubmedid: 20721628.
  • Patel AV, Friedman M, MacDermott RP. Crohn's disease patient with right lower quadrant abdominal pain for 20 years due to an appendiceal neuroma (Fibrous obliteration of the appendix). Inflamm Bowel Dis. 2010 Jul;16(7):1093-1094. Pubmedid: 19824068.
  • Arora G, Friedman M, Macdermott RP. Disseminated Nocardia nova infection. South Med J. 2010 Dec;103(12):1269-1271. Pubmedid: 21037519.
  • Friedman M, Borum ML. Colorectal cancer screening of African Americans by internal medicine resident physicians can be improved with focused educational efforts. J Natl Med Assoc. 2007 Sep;99(9):1010-1012. Pubmedid: 17913110. Pmcid: PMC2575865.
  • Friedman M, Borum ML. Colon cancer screening consultations may identify racial disparity in hypertension diagnosis and management. J Natl Med Assoc. 2007 May;99(5):525-526. Pubmedid: 17534010. Pmcid: PMC2576062.
  • Friedman M, Ali MA, Borum ML. Gastric sarcoidosis: a case report and review of the literature. South Med J. 2007 Mar;100(3):301-303. Pubmedid: 17396736.
  • Friedman M, Ramsay DB, Borum ML. An unusual case report of small bowel Candida overgrowth as a cause of diarrhea and review of the literature. Digest Dis Sci. 2007 Mar;52(3):679-680. Pubmedid: 17277989.
  • Ramsay DB, Friedman M, Borum ML. Does the race or gender of hepatitis C infected patients influence physicians' assessment of hepatitis A and hepatitis B serologic status?. South Med J. 2007 Jul;100(7):683-685. Pubmedid: 17639747.
  • Friedman SG, Kerner BA, Friedman MS, Moccio CG. Limb salvage in elderly patients. Is aggressive surgical therapy warranted?. J Cardiovasc Surg (Torino). 1989 Sep;30(5):848-851. Pubmedid: 2808509.
  • Shiani A, Narayanan S, Pena L, Friedman M. The Role of Diagnosis and Treatment of Underlying Liver Disease for the Prognosis of Primary Liver Cancer. Cancer Control. 24(3):1073274817729240. Pubmedid: 28975833. Pmcid: PMC5937237.