Surgery

Department of Surgery

The Department of Surgery provides a full range of surgical treatments using cutting edge techniques and technologies, including minimally invasive and robotic surgery.

Our surgeons are dedicated to a higher level of surgical care and have been recognized with many awards and designations.

Welcome.

The Danbury Hospital Department of Surgery is one of the leading surgery departments in the state of Connecticut and is comprised of over 150 surgeons. Our goal is to provide the highest level of complex and innovative surgical care, education for the next generation of surgeons as well as groundbreaking quality enhancements and clinical research.

Collaborations among our specialties and with our medical colleagues result in cutting-edge care delivery to our patients. Our commitment to quality and the most advanced treatments encourages us to incorporate promising new therapies combined with the highest standards of care.

We are continually cultivating a unique environment to further our mission of clinical practice, clinical research, and education.  We hold ourselves to the highest standards, and our strategic vision emphasizes:

  • Premier multidisciplinary clinical programs anchored in evidence-based medicine and distinguished by leading-edge technology
  • High quality training programs that encompass all aspects of surgical practice within a unique framework of ethics and professionalism
  • Incorporation of the American College of Surgeons National Surgical Quality Improvement Program (ACS NSQIP) to constantly review and improve surgical outcomes
  • Stewardship of the Danbury Hospital Department of Surgery and its legacy, leading by example to meet complex and dynamic challenges that face the Danbury community and greater metropolitan area

We hope you find the information on this web site helpful and invite you to learn more about our outstanding program.

Chief, Cardiothoracic Surgery

Cary S. Passik, M.D.

Chief of Cardiothoracic Surgery
Cary Passik, M.D.

Dr. Passik is the Chief, Division of Cardiothoracic Surgery at the Praxair Regional Heart and Vascular Center at Danbury Hospital and Assistant Clinical Professor of Surgery at University of Vermont School of Medicine.

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Dr. Passik is the Chief, Division of Cardiothoracic Surgery at the Praxair Regional Heart and Vascular Center at Danbury Hospital and Assistant Clinical Professor of Surgery at University of Vermont School of Medicine.

Procedures and Specialties

Open Heart Surgery Procedures:

  • Coronary artery bypass, leaking or stenotic heart valve repair and replacement
  • Heart failure and atrial fibrillation

Aortic and LV Aneurysm Repair:

  • Repair of aortic dissection
  • Use of multiple arterial bypass grafts
  • Ablation surgery for atrial fibrillation
  • Minimizing transfusion use after heart surgery

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Co-Director, Joint Replacement Program

Sanjay Gupta, M.D.

Co-Director of the Joint Replacement Program
Sanjay K. Gupta, M.D.

Dr. Gupta specializes in minimally invasive techniques for hip and knee replacement. He is a Fellow of the American Academy of Orthopaedic Surgeons, and completed a two-year fellowship in adult hip and knee reconstruction at the Hospital for Special Surgery and Lenox Hill Hospital.

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Procedures and Specialties

  • Hip replacement
  • Hip resurfacing
  • Computer-assisted hip and knee replacement
  • Revision hip replacement
  • Total knee replacement
  • Revision knee replacement
  • Partial knee replacement
  • Trauma surgery

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Director, Center for Weight Loss Surgery

Laura Choi, M.D., F.A.C.S.

Director of the Center for Weight Loss Surgery
Fred and Irmi Bering Chair in Laparoscopic Surgery
Laura Choi, M.D., F.A.C.S.

Dr. Choi is a fellowship trained, nationally recognized board certified general and bariatric surgeon. Her focus is on minimally invasive techniques for general surgery and bariatric surgery procedures.

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Fellowship trained in laparoscopy, she serves as the Director of the Center for Weight Loss Surgery and holds the Fred and Irmi Bering Chair in Laparoscopic Surgery.

Procedures and Specialties

  • Bariatric Surgery; Roux-en-y Bypass Procedure, Gastric Banding, Sleeve Gastrectomy
  • General Surgery Laparoscopic Procedures
  • Gallbladder disease, hernia, complex hernia, recurrent hernia, hiatial hernia/paraesophageal hernia, reflux disease, stomach and small intestinal disease and splenectomy.

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Chief, Section of Vascular Surgery

Alan M. Dietzek, M.D., F.A.C.S.

Chief of Vascular Surgery
The Linda and Stephen R. Cohen Chair in Vascular Surgery
Director, Non-invasive Vascular Laboratory
Director, Center for Wound Care and Hyperbaric Medicine
Alan Dietzek, MD, FACS

Dr. Dietzek is fellowship trained in vascular surgery, performing complex endovascular procedures, open surgery and minimally invasive venous techniques. He holds the Linda and Stephen R. Cohen Chair in Vascular Surgery at Danbury Hospital.

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He utilizes a hybrid operating room equipped with advanced imaging to improve , quality and safety for some of the most complex vascular surgeries.

“We have the latest and most sophisticated technology and devices. More importantly, we know how and when to use this technology in order to achieve the safest and best outcomes for our patients. From basic procedures in the office to our high volume of aneurysm surgery, we do them at the highest level. I try to help every patient develop a level of comfort that we are doing everything to achieve a good outcome, and that he or she cannot get better care anywhere. I look at the whole patient including risk factors, managing them medically when possible, or with minimally invasive or surgical treatment when necessary. It is important to me to remain highly accessible to other physicians also caring for the patient so that a more coordinated care can be provided.”

Procedures and Specialties

  • Minimally invasive endovascular arterial and venous surgery
  • Endovascular aortic stent grafting for abdominal and thoracic aortic aneurysm repair
  • Mini-incision carotid surgery
  • Venous procedures: Radiofrequency ablation (VNUS closure), microphlebectomy and sclerotherapy
  • Minimally-invasive pharmacomechanical thrombolysis for acute deep vein thrombosis (DVT)

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Vice Chairman, Department of Obstetrics, Gynecology and Reproductive Biology

Robert N Samuelson, M.D.

Vice Chairman of the Department of Obstetrics, Gynecology and Reproductive Biology
Director, Minimally Invasive Surgery
Obstetrics and Gynecology Residency Program Director
Robert N. Samuelson, M.D.

Dr. Samuelson is the Vice Chairman, Department of Obstetrics, Gynecology and Reproductive Biology. He is also the Director of Minimally Invasive Surgery and Residency Program Director at Danbury Hospital.

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Procedures and Specialties

  • Ovarian cystectomy
  • Hysterectomy
  • Fibroids
  • Prolapse
  • Pelvic and ovarian masses
  • Retroperitoneal masses and advanced endometriosis
  • Myomectomies
  • Gynecologic Oncology: Omentectomy; pelvic node sampling and Dissection; para-aortic node sampling and dissection
  • Radical hysterectomy
  • Radical vulvectomy Cystoscopy/sigmoidoscopy for cervical cancer staging
  • Pelvic exenteration
  • Management of endometrial early stage cervical and early-stage ovarian cancers

Treating all complex and benign gynecological issues, Dr. Samuelson is board certified in Obstetrics & Gynecology. Dr. Samuelson and his team offer a multidisciplinary approach with all cases they treat. From diagnosing early stage ovarian cancer and early stage cervical to the most complex of procedures, Dr. Samuelson and his team’s results are among the best in the nation.

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Sections of the Department of Surgery




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