Penn Medicine Provider
Medical Oncology
Tara C. Mitchell (Gangadhar), MD
4.9
(495)
Accepting new patients
Sees patients age 18 and up
Abramson Cancer Center Perelman 3rd Floor West

About me

  • Section Chief, Melanoma and Sarcoma, Hematology-Oncology
  • Associate Professor of Medicine (Hematology-Oncology) at the Hospital of the University of Pennsylvania

Education and training

  • Medical School: New York University School of Medicine
  • Residency: Indiana University Hospital
  • Fellowship: University of Chicago Medical Center

What my patients think about me

Average Rating
4.9

495 reviews

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

June 2025
5.0
5.0
thorough
May 2025
5.0
5.0
knowledge expertise caring
May 2025
5.0
5.0
my doctor is very knowledgeable.
May 2025
5.0
5.0
dr mitchell obviously has great concern for my health.

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
Dr. Mitchell (Gangadhar) is a Penn Medicine physician.

Qualifications and experience

My research

Hodi FS, Hwu WJ, Kefford R, Weber JS, Daud A, Hamid O, Patnaik A, Ribas A, Robert C, Gangadhar TC, Joshua AM, Hersey P, Dronca R, Joseph R, Hille D, Xue D, Li XN, Kang SP, Ebbinghaus S, Perrone A, Wolchok JD Evaluation of Immune-Related Response Criteria and RECIST v1.1 in Patients With Advanced Melanoma Treated With Pembrolizumab. , Journal of Clinical Oncology, 34(13): 2016,1510-7


Ribas A, Hamid O, Daud A, Hodi FS, Wolchok JD, Kefford R, Joshua AM, Patnaik A, Hwu WJ, Weber JS, Gangadhar TC, Hersey P, Dronca R, Joseph RW, Zarour H, Chmielowski B, Lawrence DP, Algazi A, Rizvi NA, Hoffner B, Mateus C, Gergich K, Lindia JA, Giannotti M, Li XN, Ebbinghaus S, Kang SP, Robert C Association of Pembrolizumab With Tumor Response and Survival Among Patients With Advanced Melanoma. , JAMA, 315(15): 2016,1600-9


Shannan B, Chen Q, Watters A, Perego M, Krepler C, Thombre R, Li L, Rajan G, Peterson S, Gimotty PA, Wilson M, Nathanson KL, Gangadhar TC, Schuchter LM, Weeraratna AT, Herlyn M, Vultur A Enhancing the evaluation of PI3K inhibitors through 3D melanoma models. , Pigment cell & melanoma research, 29(3): 2016,317-28


Dizon DS, Krilov L, Cohen E, Gangadhar T, Ganz PA, Hensing TA, Hunger S, Krishnamurthi SS, Lassman AB, Markham MJ, Mayer E, Neuss M, Pal SK, Richardson LC, Schilsky R, Schwartz GK, Spriggs DR, Villalona-Calero MA, Villani G, Masters G Clinical Cancer Advances 2016: Annual Report on Progress Against Cancer From the American Society of Clinical Oncology. , Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 34(9): 2016,987-1011


Ribas A, Puzanov I, Dummer R, Schadendorf D, Hamid O, Robert C, Hodi FS, Schachter J, Pavlick AC, Lewis KD, Cranmer LD, Blank CU, O'Day SJ, Ascierto PA, Salama AK, Margolin KA, Loquai C, Eigentler TK, Gangadhar TC, Carlino MS, Agarwala SS, Moschos SJ, Sosman JA, Goldinger SM, Shapira-Frommer R, Gonzalez R, Kirkwood JM, Wolchok JD, Eggermont A, Li XN, Zhou W, Zernhelt AM, Lis J, Ebbinghaus S, Kang SP, Daud A. Pembrolizumab versus investigator-choice chemotherapy for ipilimumab-refractory melanoma (KEYNOTE-002): a randomised, controlled, phase 2 trial , Lancet Oncology, 16(8): 2015,908-18


Twyman-Saint Victor C, Rech AJ, Maity A, Rengan R, Pauken KE, Stelekati E, Benci JL, Xu B, Dada H, Odorizzi PM, Herati RS, Mansfield KD, Patsch D, Amaravadi RK, Schuchter LM, Ishwaran H, Mick R, Pryma DA, Xu X, Feldman MD, Gangadhar TC, Hahn SM, Wherry EJ, Vonderheide RH, Minn AJ. Radiation and dual checkpoint blockade activate non-redundant immune mechanisms in cancer , Nature, 520(7547): 2015,373-7


Gangadhar TC, Schuchter LM Broad Applicability of Nivolumab in Melanoma Regardless of BRAF Mutation Status. , JAMA oncology, 1(4): 2015,427-8


Wang T, Xiao M, Ge Y, Krepler C, Belser E, Lopez-Coral A, Xu X, Zhang G, Azuma R, Liu Q, Liu R, Li L, Amaravadi RK, Xu W, Karakousis G, Gangadhar TC, Schuchter LM, Lieu M, Khare S, Halloran MB, Herlyn M, Kaufman RE BRAF Inhibition Stimulates Melanoma-Associated Macrophages to Drive Tumor Growth. , Clinical cancer research , 21(7): 2015,1652-64


Robert C, Ribas A, Wolchok JD, Hodi FS, Hamid O, Kefford R, Weber JS, Joshua AM, Hwu WJ, Gangadhar TC, Patnaik A, Dronca R, Zarour H, Joseph RW, Boasberg P, Chmielowski B, Mateus C, Postow MA, Gergich K, Elassaiss-Schaap J, Li XN, Iannone R, Ebbinghaus SW, Kang SP, Daud A Anti-programmed-death-receptor-1 treatment with pembrolizumab in ipilimumab-refractory advanced melanoma: a randomised dose-comparison cohort of a phase 1 trial. , Lancet, 384(9948): 2014,1109-17


Hamid O, Robert C, Daud A, Hodi FS, Hwu WJ, Kefford R, Wolchok JD, Hersey P, Joseph RW, Weber JS, Dronca R, Gangadhar TC, Patnaik A, Zarour H, Joshua AM, Gergich K, Elassaiss-Schaap J, Algazi A, Mateus C, Boasberg P, Tumeh PC, Chmielowski B, Ebbinghaus SW, Li XN, Kang SP, Ribas A Safety and tumor responses with lambrolizumab (anti-PD-1) in melanoma. , The New England Journal of Medicine, 369(2): 2013,134-44


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