Corey J. Langer, MD
Medical Oncology
Accepting new patients
Sees patients age 18 and up
Abramson Cancer Center Perelman 2nd Floor West
View 1 additional location
Penn Medicine Provider

About me

  • Director, Thoracic Oncology
  • Professor of Medicine (Hematology-Oncology) at the Hospital of the University of Pennsylvania

Education and training

  • Medical School: Boston University School of Medicine
  • Residency: Graduate Hospital
  • Fellowship: Penn Presbyterian Medical Center
  • Fellowship: Fox Chase Cancer Center

What my patients think about me

Average Rating

659 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
why would you not use the best medical care
Anonymous
February 2026
dr.langer makes me feel like i'm going to make it and he's very thorough
Anonymous
February 2026
great listener
Anonymous
February 2026
the kind of doctor everyone hopes to have.

Insurance accepted

My Locations

Penn Medicine hospital privileges

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

Qualifications and experience

Treatments and Conditions

My research

Barsouk A, Heidlauf A, Goel K, Rushkin L, Anran Huang A, Elghawy O, Yu C, Wang L, Yang D, Kurian M, Reed-Guy L, Sun L, Singh A, Aggarwal C, Cohen RB, Langer C, Marmarelis ME. Osimertinib dose-reduction and survival in 1L EGFR-mutated metastatic non-small cell lung cancer (mNSCLC) , Lung Cancer: 2026


Friedes C, Iocolano M, Yegya-Raman N, Kucharczuk JC, Pechet TTV, Cohen RB, Aggarwal C, Marmarelis ME, Levin WP, Cengel KA, Ciunci CA, D'Avella C, Singh AP, Davis CW, Langer CJ, Bradley J, Feigenberg SJ. Real World Radiographic Response Rates and Preoperative Attrition in Patients With Non-Small Cell Lung Cancer (NSCLC) Treated With Neoadjuvant Chemoimmunotherapy , Am J Clin Oncol: 2025


Langer CJ, Harris J, Horwitz EM, Kies M, Ad VB, Wong SJ, Caudell JJ, Zeitzer KL, Spencer SA, Zhang Q, Yom SS, Le QT. Phase 2 Study of Low-Dose Paclitaxel and Cisplatin in Combination With Split-Course Concomitant Twice-Daily Reirradiation in Recurrent Squamous Cell Carcinoma of the Head and Neck: Long-term Follow-up of NRG Oncology Radiation Therapy Oncology Group Protocol 9911 , Int J Radiat Oncol Biol Phys, 124: 2025,50-60


Bazhenova L, Hodgson JG, Camidge DR, Langer CJ, Huber RM, Kim DW, Reckamp KL, Ahn MJ, Tan DSW, Patel JD, Vincent S, Li C, Humphries MJ, Zhang P, Rivera VM, Gettinger S. Activity of Brigatinib in Patients With Crizotinib-Resistant ALK-positive Non-Small-Cell Lung Cancer According to ALK Fusion and Mutation Status , Clin Lung Cancer: 2025


Elghawy O, Barsouk A, Sussman JH, Bleiberg BA, Reed-Guy L, D'Avella C, Singh A, Ciunci C, Robinson K, Kosteva J, Langer C, Cohen RB, Aggarwal C, Marmarelis M, Sun L. Late Immune-Related Adverse Events After At Least Two Years of Immune Checkpoint Inhibitor Therapy: Incidence and Association With Survival in Patients With Advanced NSCLC , JTO Clin Res Rep, 6: 2025,100851


Barsouk A, Elghawy O, Watts A, Reed-Guy L, Tompkins W, Chandrasekhara K, Grady CB, Iams W, Sun F, Liu G, Patel D, Nieva JJ, Marrone KA, Velcheti V, Liu SV, Patil T, Weiss J, Schwartzman W, Villaruz LC, Hermann A, Aisner DL, Hwang WT, Camidge DR, Sun L, Singh AP, Cohen RB, Aggarwal C, Langer CJ, Marmarelis ME. Osimertinib vs. Afatinib in 1L therapy of atypical EGFR-mutated metastatic non-small cell lung cancer (mNSCLC): A multi-institution, real-world survival analysis , Lung Cancer, 203: 2025


Elghawy O, Barsouk A, Reed-Guy L, Stalker M, Sussman J, Robinson K, Kosteva J, Singh A, Cohen RB, Langer C, Ciunci C, D'Avella C, Sun L, Marmarelis ME, Aggarwal C. Brief Report: Osimertinib Plus Capmatinib for Patients With MET-Altered EGFR-Mutant NSCLC Following Progression on Front Line Therapy , Clin Lung Cancer, 26(2): 2025,158-163.e2


Stalker M, Walker SL, Lebow E, Pai EL, Watts A, Hwang WT, Banihashemi A, Anderson E, Roshkovan L, Katz SI, Litzky L, Haas AR, Singhal S, Langer CJ, Cengel K, Marmarelis ME. Incidence and Outcomes of Brain Metastasis in Pleural Mesothelioma in the Era of Immunotherapy , JTO Clin Res Rep, 6: 2025,100823


Stalker M, Marmarelis M, Langer C, Cohen RB, Singh A, Aggarwal C, Sun L. Outcomes Following Treatment for Progression in Patients Treated With Durvalumab Consolidation in LA-NSCLC , Clin Lung Cancer, 26(2): 2025,124-130.e1


Rolfo C, Gerber DE, Kotecha R, Ward JP, Akerley W, Weiss L, Naveh A, Shapira N, Leal T, Langer CJ; LUNAR study investigators. The influence of body mass index on Tumor Treating Fields therapy in patients with metastatic non-small cell lung cancer: A post-hoc and simulation analysis from the phase III LUNAR study , Lung Cancer: 2025