Ian Wesley Folkert, MD
Endocrine and Oncologic Surgery
Accepting new patients
Sees patients age 18 and up
Penn Endocrine and Oncologic Surgery Perelman 3rd Floor
Penn Medicine Provider

About me

  • Assistant Professor of Surgery at the Hospital of the University of Pennsylvania

Education and training

  • Medical School: University of Pennsylvania School of Medicine
  • Residency: University of Pennsylvania Health System
  • Fellowship: Texas Medical Center

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.
Dr. Folkert is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

Haddad A, Lendoire M, Uppal A, Maki H, Folkert IW, Wang Y, Ayabe RI, Newhook TE, Chun YS, Tzeng CW, Vauthey JN, Tran Cao HS CEA Rebound After Discontinuation of Pre-Hepatectomy Chemotherapy Predicts Worse Outcomes After Resection of Colorectal Caner Liver Metastasis , Ann Surg Oncol, 32: 2025,1021-1032


Folkert IW, Lie JJ, Bhutiani N, Das P, Song Y, Mansfield PF, Royal RE, Scally CP, Dineen SP, Fournier KF, Helmink BA Multidisciplinary management of locally advanced adenocarcinoma of the appendix , Society of Surgical Oncology Annual Meeting: 2025


Folkert IW, Molina Arocho WA, To TKJ, Devalaraja S, Molina IS, Shoush J, Mohei H, Zhai L, Akhtar MN, Kochat V, Arslan E, Lazar AJ, Wani K, Israel WP, Zhang Z, Chaluvadi VS, Norgard RJ, Liu Y, Fuller AM, Dang MT, Roses RE, Karakousis GC, Miura JT, Fraker DL, Eisinger-Mathason TSK, Simon MC, Weber K, Tan K, Fan Y, Rai K, Haldar M. An iron-rich subset of macrophages promotes tumor growth through a Bach1-Ednrb axis , J Exp Med, 221: 2024,e20230420


Folkert IW, Melendez B, Witt RG, Lazcano R, Singh BB, Cope BM, Onuma A, Arunkumar V, Fong LW, Morey R, Ingram DR, Wani K, Wang WL, Losh JS, Ajami NJ, Wargo JA, Lazar AJ, Roland CL, Nassif Haddad EF, Keung EZ Spatial Transcriptomics Reveals Heterogeneity of the Intratumoral Immune Microenvironment within Undifferentiated Pleomorphic Sarcoma and Regions of Perivascular Tumor-Associated Macrophages , Society for Immunotherapy of Cancer (SITC) Annual Meeting: 2024


Li N, Zhu Q, Tian Y, Ahn KJ, Wang X, Cramer Z, Jou J, Folkert IW, Yu P, Adams-Tzivelekidis S, Sehgal P, Mahmoud NN, Aarons CB, Roses RE, Thomas-Tikhonenko A, Furth EE, Stanger BZ, Rustgi A, Haldar M, Katona BW, Tan K, Lengner CJ. Mapping and modeling human colorectal carcinoma interactions with the tumor microenvironment , Nat Commun, 14: 2023,7915


Dang MT, Gonzalez MV, Gaonkar KS, Rathi KS, Young P, Arif S, Zhai L, Alam Z, Devalaraja S, Jerrick To TK, Folkert IW, Raman P, Rokita JL, Martinez D, Taroni JN, Shapiro JA, Greene CS, Savonen C, Mafra F, Hakonarson H, Curran T, Haldar M. Macrophages in SHH subgroup medulloblastoma display dynamic heterogeneity that varies with treatment modality , Cell Rep, 42: 2023,112600


Folkert IW, Molina Arocho WA, To TKJ, Devalaraja S, Zhai L, Chaluvadi VS, Norgard RJ, Fuller AM, Dang MT, Roses RE, Karakousis GC, Miura JT, Fraker DL, Eisinger-Mathason TSK, Weber K, Haldar M Iron Rich Tumor Associated Macrophages Promote Tumor Growth Through a Bach1-Ednrb Axis , Ali Naji Resident Research Day Poster Competition: 2023


Maddipati R, Norgard RJ, Baslan T, Rathi KS, Zhang A, Saeid A, Higashihara T, Wu F, Kumar A, Annamalai V, Bhattacharya S, Raman P, Adkisson CA, Pitarresi JR, Wengyn MD, Yamazoe T, Li J, Balli D, LaRiviere MJ, Ngo TC, Folkert IW, Millstein ID, Bermeo J, Carpenter EL, McAuliffe JC, Oktay MH, Brekken RA, Lowe SW, Iacobuzio-Donahue CA, Notta F, Stanger BZ. MYC Levels Regulate Metastatic Heterogeneity in Pancreatic Adenocarcinoma , Cancer Discov, 12(2): 2022,542–561


Norgard RJ, Pitarresi JR, Maddipati R, Aiello-Couzo NM, Balli D, Li J, Yamazoe T, Wengyn MD, Millstein ID, Folkert IW, Rosario-Berrios DN, Kim IK, Bassett JB, Payne R, Berry CT, Feng X, Sun K, Cioffi M, Chakraborty P, Jolly MK, Gutkind JS, Lyden D, Freedman BD, Foskett JK, Rustgi AK, Stanger BZ. Calcium signaling induces a partial EMT , EMBO Rep, 22: 2021,e51872


Folkert IW, To TKJ, Devalaraja S, Norgard RJ, Zhai L, Haldar M Single-cell RNA Sequencing Reveals a Unique Subset of Suppressive Macrophages in Soft Tissue Sarcomas , American College of Surgeons Clinical Congress: 2021