Amy S. Clark, MD, MSCE
Medical Oncology
Accepting new patients
Sees patients age 18 and up
Rena Rowan Breast Center
Headshot of Amy S. Clark, MD, MSCE
Penn Medicine Provider

About me

  • Deputy Director, Breast Cancer Clinical Trials
  • Jill and Alan Miller Associate Professor in Breast Cancer Excellence

Education and training

  • Medical School: Penn State Milton S. Hershey Medical Center
  • Residency: Boston Medical Center
  • Fellowship: University of Pennsylvania Health System

What my patients think about me

Average Rating

428 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.

Anonymous
February 2026
addresses all my concerns, listens attentively and answers all my questions
Anonymous
February 2026
she is wonderful
Anonymous
February 2026
Dr. Clark is very warm, personable, and knowledgeable.
Anonymous
January 2026
dr clark is smart and knowledgeable and kind and personable

Insurance accepted

My Locations

Penn Medicine hospital privileges

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

Qualifications and experience

Treatments and Conditions

My research

Ana C. Garrido-Castro1, Tianyu Li2, Se Eun Kim2, Jennifer Desrosiers1, Rita Nanda3, Yara Abdou4, Amy S. Clark5, Ruth Sacks6, Thomas O’Connor1, Natalie Sinclair1, Steve Lo7, Grace Audahl1, Eileen Wrabel1, Tess O’Meara1, Tanya E. Keenan1, 8*, Nancy U. Lin1, Harold J. Burstein1, Elizabeth A. Mittendorf1, Nabihah Tayob2, Sara M. Tolaney1 SACI-IO HR+: Final results from a randomized phase II trial of sacituzumab govitecan with or without pembrolizumab in hormone receptor-positive/HER2-negative metastatic breast cancer , 2026 ESMO Breast Cancer Annual Congress : 2026


Stringer-Reasor E, Li Y, Zhang J, Rocque G, Jones K, O'Sullivan C, Giridhar K, Dees EC, Nanda R, Hunter N, Clark A, Wolff A, Krop I, Lin N, Rimawi MF, Yang ES. CLO26-104: TBCRC 050: A Phase 1b/2 Trial of Niraparib and Trastuzumab in HER2+ Metastatic Breast Cancer (MBC): Safety and Efficacy , J Natl Compr Canc Netw.: 2026


Phun J, Clark A, Zhang J, Nayak, A Discordant HER2 Results Highlight the Need for Compulsory Biomarker Slide Review in Breast Cancer Referrals , The United States and Canadian Academy of Pathology’s 115th Annual Meeting : 2026


Bild AH, Sangar MC, McQuerry JA, Ideker T, Kopetz S, Carey L, Nath A, Marcus D, Regier A, Rashid N, Barzilay R, Winer E, Salgia R, Malhotra J, Gentles A, Buetow K, Mahmood F, Markman DW, Eddy JA; ADAPT Consortium. The ADAPT learning cancer treatment system: ARPA-H's initiative to revolutionize cancer therapy , Cancer Cell.: 2026


Jung W, Ko K, Smith AM, Huang A, Xia C, Martei YM, Narayan VK, Clark AS, Lefebvre B, McDermott K, Koropeckyj-Cox D, Fasan O, Hutsell A, Daniels A, Englefield V, Leger KJ, Getz KD, Narayan HK, Marshall JD, Powell-Wiley TM, Yancy CW, Ky B. Air Pollution and Cardiac Remodeling and Function in Patients With Breast Cancer , JAMA Netw Open. : 2026


Clark, A.S. Missingness in Eligibility Criteria for Target Trial Emulation in EHR with Survival Outcomes , Statistics in Medicine : 2026


Magbanua MJM, Manon NA, Wolf DM, Rivero-Hinojosa S, Ahmed Z, Sayaman RW, Tin A, Renner D, Kalashnikova E, Brown-Swigart L, Hirst GL, Yau C, Li W, Isaacs C, Shatsky RA, Clark AS, Zimmer A, Delson AL, Rodriguez A, Liu MC, Pohlmann PR, Esserman LJ, Rugo HS, DeMichele A, van 't Veer L. Circulating tumor DNA refines risk stratification of neoadjuvant therapy-resistant breast tumors , Nat Commun.: 2025


Chien, J., Mukhtar, R.A., Yau, C., Elias, A. D., Wallace, A. M., Chan, N., Omene, C., Tseng, J., Trivedi, M. S., Stringer-Reasor, E., Yee, D., Clark, A. S., Thomas, A., Han, H., Arora, M., Nangia, C., Albain, K., Falkson, C., Isaacs, C., Zimmer, A., Rozenblit, M., van 't Veer, L., Swigart, L. B., Hirst, G. L., Symmans, W. F., Borowsky, A. D., Onishi, N., Hylton, N., Alkhafaji, S., Giridhar, K. V., Vaklavas, C., Wei, M., Goetz, M. P., Chen, N., Olopade, O., Huppert, L., Wu, C., Esserman, L. J. I-SPY2 Endocrine Optimization Pilot (EOP): Neoadjuvant vepdegestrant monotherapy or in combination with letrozole or abemaciclib in molecularly selected patients (pts) with HR+ HER2- Stage 2/3 breast cancer (BC) , San Antonio Breast Cancer Symposium, San Antonio, TX: 2025


J. Tchou, A. Nayak, H. N. Xu, J. Kollmar, E. H. Smith, M. Z. Mazur, L. Keele, A. Clark, N. Taunk, J. Fraietta, the BreastVax Study Team Abstract PS4-07-15: A single preoperative pembrolizumab dose plus a single subablative radiotherapy fraction (7 Gy) elicits anti-tumor immune response and increases stromal tumor infiltrating lymphocytes in triple negative breast cancer: a phase 1b/2 study , San Antonio Breast Cancer Symposium, San Antonio, TX : 2025


Xia C, Smith AM, Lefebvre B, Jamal FA, Armenian SH, Koropeckyj-Cox D, Zhang L, Liu PP, Landsburg D, Clark AS, Shah PD, Hubbard RA, Huang A, Golec S, Hewitt M, Wilcox NS, Chen Z, Rethy L, Jung W, Ko K, Narayan V, Martei YM, Lang NN, Januzzi JL, Felker GM, Ky B. Biomarker-Guided Cardioprotection for Patients Treated With Anthracyclines: A Randomized Clinical Trial , JAMA Netw Open.: 2025