Specialist · Intestinal Surgery
Prof. Dr. med. Andreas Martin Raffel
Specialist in Endocrine Surgery, Minimally Invasive Surgery, Colorectal Surgery, and Pancreatic Surgery in Gelsenkirchen. Minimally Invasive Scarless Thyroid Surgery / Without Anesthesia
Marienhospital Gelsenkirchen· Virchowstr. 135, 45886 Gelsenkirchen

Prof. Dr. med. Andreas Raffel is a recognized expert in general surgery, visceral surgery, and endocrine surgery, with particular specialization in diseases of the thyroid gland and digestive tract. His focus lies in the application of advanced minimally invasive surgical techniques as well as the treatment of complex oncological conditions. With many years of experience and a high level of professional specialization, he represents precise, evidence-based surgery at the highest standard.
Areas of focus
- General and Visceral Surgery (Diseases of the Entire Digestive Tract)
- Endocrine Surgery (Especially Thyroid and Parathyroid Surgery)
- Minimally Invasive Surgery (“Keyhole Surgery”)
- Robot-Assisted Surgery (Precise, Advanced Surgical Procedures)
- Oncological Surgery (Treatment of Abdominal Tumors)
- Surgery of the Stomach, Intestines, Liver, Gallbladder, and Pancreas
- Interdisciplinary Tumor Treatment Within Multidisciplinary Tumor Boards
Admission criteria
- At least 10 years of surgical and treatment experience
- Expertise in modern diagnostic and surgical procedures
- An outstanding treatment focus within your own specialist area
- Member of a leading national professional association
- Leading professional position
- Active participation in specialist events (e.g. lectures)
- Active in research and teachin
- Evaluated quality management (e.g. certification)
About Prof. Dr. med. Andreas Martin Raffel
Prof. Dr. med. Andreas Martin Raffel is Head of the Department of Surgery at Marienhospital Gelsenkirchen and a recognized expert in general surgery, visceral surgery, and endocrine surgery. His range of services includes the surgical treatment of complex diseases of the digestive tract as well as disorders of the thyroid and parathyroid glands.
A particular focus of his work lies in advanced minimally invasive procedures and robot-assisted surgery. Through the use of innovative technologies such as robotic surgery, procedures can be performed with exceptional precision, minimal tissue trauma, and improved postoperative outcomes.
Under his leadership, the department offers a comprehensive spectrum of surgical therapies — ranging from traditional general surgery to highly specialized procedures for oncological diseases. Oncological treatments are carried out through an interdisciplinary approach within structured tumor boards to ensure the best possible therapy for every patient.
In addition to his clinical work, Prof. Raffel is actively involved in scientific medical societies and is committed to the continuous advancement of modern surgical techniques. His work combines the highest level of medical expertise with innovative treatment concepts and a consistently patient-centered approach to care.
Facts & experience
- Ulcerative colitis surgery (Darmchirurgie)
über 50
- Bowel resection (Darmchirurgie)
über 750
- Colorectal surgery (Darmchirurgie)
über 750
- Rectal surgery (Darmchirurgie)
über 250
- Palliative care for colon cancer (Darmchirurgie)
über 250
- Colon cancer surgeries (Darmchirurgie)
über 600
- Colon surgery (Darmchirurgie)
über 500
- Artificial anus (Darmchirurgie)
über 250
- Minimal invasive intestinal surgery (Darmchirurgie)
über 400
- Vagotomy (Darmchirurgie)
über 5
- Endocrine surgery (Schilddrüsenchirurgie)
über 3000
- Thyroid surgery (Schilddrüsenchirurgie)
über 2500
- Parathyroid gland surgery (Schilddrüsenchirurgie)
über 500
Location
How to reach Prof. Dr. med. Andreas Martin Raffel
Marienhospital Gelsenkirchen
Specialisation
The medical spectrum of Prof. Dr. med. Andreas Martin Raffel
Diseases
- Cushing's Syndrome (opens in a new tab)
- Hyperparathyroidism (opens in a new tab)
- Graves' disease (opens in a new tab)
- Adrenal disease (opens in a new tab)
- Thyroid Autonomy (opens in a new tab)
- Thyroid disorder (opens in a new tab)
- Goiter (opens in a new tab)
- Pancreatic Cancer (opens in a new tab)
- Colon Cancer (opens in a new tab)
- Intestinal polyps (opens in a new tab)
- Colon Cancer (Colonic Carcinoma) (opens in a new tab)
- Adrenal metastases (opens in a new tab)
- Thyroid Cancer (opens in a new tab)
- Appendicitis (opens in a new tab)
- Intestinal Wall Hernia (opens in a new tab)
- Crohn's disease (opens in a new tab)
- Intestinal Obstruction (Paralytic Ileus) (opens in a new tab)
- Duodenal ulcer (opens in a new tab)
- Ulcerative colitis (opens in a new tab)
- Perforations in the gastrointestinal tract (opens in a new tab)
- Conn's syndrome (opens in a new tab)
- Parathyroid adenoma (opens in a new tab)
- Thyroid Nodules (opens in a new tab)
- Small Intestine Cancer/Tumor
- Pancreatic tumor
- Adrenal Tumors
- NET/NEN
- Neuroendocrine Tumors of the Gastrointestinal Tract
Treatments
- Ulcerative Colitis Surgery (opens in a new tab)
- Endocrine Surgery (opens in a new tab)
- Colostomy (opens in a new tab)
- Colorectal Surgery (opens in a new tab)
- Parathyroid Surgery (opens in a new tab)
- Pancreatic Surgery (opens in a new tab)
- Colon Surgery (opens in a new tab)
- Rectal Surgery (opens in a new tab)
- Minimally Invasive Colorectal Surgery (opens in a new tab)
- Vagotomy (opens in a new tab)
- Intestinal resection (opens in a new tab)
- Colon Cancer Surgery (opens in a new tab)
- Fast-Track Surgery (opens in a new tab)
- Palliative Care for Colon Cancer (opens in a new tab)
- Thyroid Surgery (opens in a new tab)
- Stomach Surgery (opens in a new tab)
- Adrenal Gland Surgery
- Gastric Surgery/Gastrectomy
- Pancreatic Surgery
- Pancreatic Surgery
- RFA (Radiofrequency Ablation) of the Thyroid Gland
- Minimally Invasive Thyroid Surgery Without Scars & Without Anesthesia
Areas of Expertise
Prof. Dr. med. Andreas Martin Raffel
Specialist in Endocrine Surgery, Minimally Invasive Surgery, Colorectal Surgery, and Pancreatic Surgery in Gelsenkirchen. Minimally Invasive Scarless Thyroid Surgery / Without Anesthesia

