Julia C. Tchou, MD, PhD, FACS
she/her
Breast Surgery
Accepting new patients
Sees patients age 18 and up
Penn Breast Surgery Perelman
View 2 additional locations
Penn Medicine Provider

About me

  • Director of Breast Surgery Research
  • Program Director, Breast Surgical Oncology Fellowship
  • Professor of Clinical Surgery

Education and training

  • Medical School: State University of New York at Stony Brook
  • Residency: Johns Hopkins Hospital
  • Fellowship: Johns Hopkins Hospital
  • Fellowship: Northwestern Memorial Hospital

What my patients think about me

Average Rating

800 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.

November 2025
very informative
November 2025
she knows her stuff
October 2025
she saved my life!
October 2025
patient-centered, knowledgeable, listened to my concerns

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
  • Lancaster General Hospital: Has privileges to treat patients in the hospital.
Dr. Tchou is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

Tortorello GN, Shafique N, De Jesus EM, Gimotty P, Dheer A, Fayanju OM, Tchou J, Miura JT, Karakousis GC, Rendle K Sentinel lymph node biopsy in low-risk breast cancer in patients ≥ 70 years: How wisely are we choosing? , Annals of Surgical Oncology: 2025 (Epub)


Reddy KP, Berkowitz CL, Jarrell K, Berger R, Hulse S, Elmore LC, Fishman R, Mateo AM, Sataloff DM, Tchou JC, Zhang JQ, McCarthy AM, Fayanju OM The effect of rurality on time to surgery and overall survival among women with breast cancer , Annals of Surgery: 2025 (Epub)


Szeto JJ, Kim H, Shen CZ, Chapman C, Tchou J, Duffy CC Reducing misclassification of medical waste: nudging stakeholders to reduce waste misclassification in a novel simulated operating room built environment , Perioperative Medicine (London), 14(1): 2025,123


Mukhtar RA, Dimitroff K, Yau C, Chien AJ, Connolly EP, Howard-McNatt M, Rao R, Ladores V, Golshan M, Sauder CA, Ahmed K, Lancaster R, Fox J, Gutnik L, Lee MC, Tchou J, Prionas N, Arciero CA, Reyna C, Kuerer H, Switalla K, Taunk N, Tuttle TM, Moran MS, Postlewait LM, Perlmutter J, DeMichele A, Yee D, Hylton N, Symmans WF, Rugo HS, Shatsky R, Isaacs C, Esserman LJ, Van't Veer L, Boughey JC Impact of neoadjuvant chemotherapy on surgical outcomes and conversion to node-negativity in invasive lobular breast cancer: Analysis of molecularly high-risk tumors by histologic subtype on the I-SPY2 clinical trial , Annals of Surgical Oncology, 32(11): 2025,8243-8253


Van Hassel J, Dimitroff K, Yau C, Mukhtar R, Boughey JC, Ladores V, Howard-McNatt MM, Jaskowiak N, Perlmutter J, DeMichele A, Yee D, Hylton N, Symmans WF, Veer LV, Rugo H, Esserman LJ, Shatsky R, Isaacs C, Kuerer H, Wallace AM, Prionas N, Tseng J, Reyna CR, Taunk N, Kesmodel S, Lee MC, Fox J, Piltin MA, Tchou J, Arciero CA, Postlewait LM, Sauder C, Rao R Impact of time to surgery post neoadjuvant chemotherapy on breast cancer outcomes: A retrospective study of patients enrolled in the I-SPY 2 clinical trial , Annals of Surgical Oncology, 32(11): 2025,8113-8126


Kaur M, Dimitroff K, Boughey JC, Esserman LJ, Yau C, Tchou J, Quirarte A, Lee MC, Howard-McNatt MM, Switalla K, Kuerer H, Sauder C, Postlewait LM, Arciero C, Rao R, Wallace A, Reyna C, Ahmed K, Gutnik L, Taunk N, Perlmutter J, DeMichele A, Yee D, Hylton NM, Symmans WF, Rugo HS, Shatsky RA, Isaacs C, Rudra S, Pohlmann P, Ewing C, Wong J, Alvarado M, Jaskowiak N, Prionas N, Golshan M, Piltin MA, Olopade OI, Mukhtar RA Disparities in the surgical management of the axilla by self-identified race in the multicenter neoadjuvant I-SPY2 trial , Annals of Surgical Oncology, 32(11): 2025,8211-8219


Yoon IC, Perez-Rojas S, Ancha B, Elmore LC, Mateo AM, Pichardo MS, Tchou JC, Zhang JQ, Hubbard RA, Fayanju OM Association of neighborhood deprivation with stage at diagnosis and treatment delay for breast cancer in Philadelphia , Annals of Surgical Oncology, 32(8): 2025,5500-5509


Boughey JC, Yu H, Switalla K, Velle L, Lopes A, Wallace AM, Lancaster RB, Reyna CR, Tuttle TM, Jaskowiak N, Tchou J, Rao R, Lee MC, Naik AM, Golshan M, Arciero CA, Sauder CAM, Matsen CB, Yau C, Esserman L, Mukhtar RA; I-SPY2 Locoregional Working Group Oncologic outcomes with de-escalation of axillary surgery after neoadjuvant chemotherapy for breast cancer: Results from > 1500 patients on the I-SPY2 clinical trial , Annals of Surgical Oncology, 32(5): 2025,3278-3291


Reddy KP, Jarrell K, Berkowitz C, Hulse S, Elmore LC, Fishman R, Greenup RA, Mateo AM, Rothman JD, Sataloff DM, Tchou JC, Zafar SY, Fayanju OM Association between delayed/forgone medical care and resource utilization among women with breast cancer in the United States , Annals of Surgical Oncology, 32(4): 2025,2534-2544


Kollmar J, Xu J, Gonzalves D, Baur JA, Li LZ, Tchou J, Xu HN Differential mitochondrial redox responses to the inhibition of NAD+ salvage pathway of triple negative breast cancer cells , Cancers (Basel), 17(1): 2024,7