
Dr. Alessandro Marra is the renowned head of the Thoracic Surgery Department at Bremen OST Clinic, specializing in general surgery and oncology. With 37 years of expertise in oncology, Dr. Marra is committed to delivering exceptional patient care. He offers both in-person consultations and advanced treatments at Bremen OST Clinic and online consultations for those unable to visit. By sharing medical documents and scheduling a video call, patients can access Dr. Marra's expert guidance from anywhere, ensuring personalized and accessible care.
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Dr. Dieter Ukena is a leading oncology and pulmonology expert in Germany, currently serving as the head of the Pulmonology department at Bremen OST Clinic. With over 38 years of clinical experience, he is widely regarded as one of the top doctors in Germany for his exceptional commitment to patient care and medical excellence. Fluent in German, English, and Russian, Dr. Ukena offers both in-person and online consultations, making specialized healthcare accessible to patients globally. He ensures a seamless virtual experience by allowing patients to share their medical reports, make payments online, and receive consultations via video call. Known for his warm communication and strategic medical insight, Dr. Dieter Ukena has earned a strong reputation among patients and peers alike. He is often featured among the best pulmonologists in Germany, contributing significantly to advancing medical care at Bremen OST Clinic.
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Dr. Johann Ockenga, a distinguished Surgical Oncologist and Gastrointestinal Surgeon, brings two decades of experience to his practice at Bremen-Mitte Clinic. Notably, he served as the Secretary of the German Society of Nutritional Medicine in 2012, demonstrating his commitment to advancing medical knowledge and practices. Dr. Ockenga has actively contributed to various projects developing guidelines for nutritional medicine and has been involved in the review process for the World Journal of Gastroenterology. His expertise spans the comprehensive treatment of conditions such as Sigmoid adenocarcinoma, Hepatocellular Carcinoma, Hepatitis B, Liver Diseases, Immunology, and Colon cancer. Throughout his illustrious career, Dr. Johann Ockenga has authored numerous papers for various publications, solidifying his impact on the field of Surgical Oncology and Gastrointestinal Surgery.
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Renowned as one of the top 100 gastroenterologists in Europe, Dr. Rainer Porschen brings an impressive 37 years of experience to his practice. Specializing in Oncology, Dr. Porschen's expertise is widely recognized in the field. Currently, he conducts consultations and treatments at Bremen OST Clinic in Bremen. Whether patients prefer in-person visits or seek the convenience of virtual appointments, Dr. Rainer Porschen accommodates both. Offering online consultations, patients can share their medical documents, pay the consultation fee, and engage in a scheduled video consultation for personalized medical guidance. Dr. Porschen's commitment to accessible and comprehensive healthcare underscores his dedication to patient well-being.
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Prof. Dr. Hüseyin Bektas is a leading oncological surgeon in Germany, widely recognized for his precision, expertise, and successful surgical outcomes. Born in Bingol, Turkey, in 1961, he later moved to Germany to pursue his medical education and has since become one of the top cancer surgeons in Germany. He completed his medical degree and specialization in General and Visceral Surgery at Hannover Medical School and currently serves as the Director of General, Visceral, and Oncological Surgery at Bremen Mitte Clinic, a top-tier hospital in Germany. Dr. Hüseyin Bektas is not only admired for his surgical talent but also his leadership. His department at Bremen-Mitte has gained international recognition due to the high volume of successful procedures and innovations under his guidance. With decades of experience, he has become a famous cancer specialist in Germany, known for treating both common and rare cancers. His dedication to patient care, supported by his affiliations with reputable medical organizations and numerous scientific publications, makes him one of the most popular and trusted cancer surgeons in the country.
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Prof. Dr. Jorg Groticke stands as a renowned German oncologist whose achievements resonate globally. With a wealth of 25 years of experience in Clinical Oncology, Dr. Groticke specializes in the treatment of gastrointestinal cancerous lesions, making significant contributions to the field. Educated at Bremen Mitte Hospital, he received his doctor's degree in 1993, marking the beginning of his illustrious career. Throughout his professional journey, Dr. Jorg Groticke has been a pivotal figure at Bremen Mitte Hospital's Medicine Center, where he joined as a senior physician in 2007. Over the past 16 years, he has spearheaded the Bremen Cancer Society's Cancer Center, offering cutting-edge cancer therapies and providing invaluable seminars on advancements in cancer treatment. A member of esteemed scientific societies such as the German Society of Hematology and Medical Oncology, Dr. Groticke also maintains active membership in German and Bremen cancer societies, solidifying his commitment to advancing oncological care and research.
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Prof. Dr. Bernd Hertenstein stands as a distinguished figure in the field of Oncology, bringing with him an impressive 35 years of invaluable experience. Currently practicing at Bremen Nord Clinic in Bremen, he extends his expertise to patients seeking consultation and treatment. Prof. Dr. Hertenstein is known for his commitment to providing comprehensive oncological care. In addition to his in-person services, he also facilitates online consultations for patients, ensuring accessibility and convenience. Patients engaging in online consultations with Prof. Dr. Bernd Hertenstein are guided to share their medical documents, complete the consultation fee payment, and then proceed with a scheduled video consultation, reflecting his dedication to embracing modern healthcare approaches for the benefit of his patients.
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