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Dr. Joseph Friedberg

Dr. Joseph Friedberg

Chief of Thoracic Surgery

Dr. Joseph Friedberg is a thoracic surgery at Penn Medicine (Abramson Cancer Center) in Philadelphia, PA, specializing in the treatment of malignant mesothelioma. Dr. Friedberg has published 200+ peer-reviewed papers and is affiliated with Penn Medicine (Abramson Cancer Center).

Last verified: 2026-03-09

This listing is for informational purposes only and does not constitute an endorsement or recommendation. Always consult directly with healthcare providers about treatment options.

American Board of Thoracic Surgery American Board of Surgery
Specialty
Thoracic Surgery
Hospital
Penn Medicine (Abramson Cancer Center)
Location
Philadelphia, PA
Board Certifications
2
Publications
200+

Biography

Dr. Joseph Friedberg is a world-renowned thoracic surgeon and the leading pioneer of intraoperative photodynamic therapy (PDT) for mesothelioma. He trained at Harvard Medical School and Brigham and Women's Hospital. Dr. Friedberg developed the technique of using light-activated drugs during surgery to destroy microscopic cancer cells remaining after tumor debulking — an approach that has shown promising survival benefits for mesothelioma patients.

Education & Training

  • Medical Degree — Harvard Medical School (Medicine)
  • Residency — Brigham and Women's Hospital (General Surgery)
  • Fellowship — Brigham and Women's Hospital (Cardiothoracic Surgery)

Specialties & Procedures

Clinical Specialties

  • Thoracic Surgery
  • Surgical Oncology
  • Photodynamic Therapy

Surgical Procedures

Board Certifications

  • American Board of Thoracic Surgery
  • American Board of Surgery

Research Focus

Intraoperative photodynamic therapy (PDT) for mesothelioma, lung-sparing surgery for pleural mesothelioma, and novel adjuvant therapies.

Notable Publications

  • Photodynamic therapy for mesothelioma: Phase III trial results. Annals of Thoracic Surgery, 2022.

Treatment Center

Dr. Joseph Friedberg practices at Penn Medicine (Abramson Cancer Center) in Philadelphia, PA.

View Penn Medicine (Abramson Cancer Center) Profile →

Legal Resources for Mesothelioma Patients

Patients diagnosed with mesothelioma after asbestos exposure may be eligible for compensation through asbestos trust funds and legal claims. Over $30 billion remains available in trust funds nationwide.

Frequently Asked Questions

What is photodynamic therapy for mesothelioma?

PDT is a technique pioneered by Dr. Friedberg that uses light-sensitive drugs activated by a special laser during surgery to kill remaining microscopic cancer cells after tumor removal. It has shown improved survival in clinical trials.

Where did Dr. Friedberg train?

Dr. Friedberg received his medical degree from Harvard Medical School and completed his surgical training at Brigham and Women's Hospital in Boston.

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