Clinical Leadership

Matthew Miller, M.D., Chief Medical Officer

Matthew Miller, M.D.
Chief Medical Officer

Quality and Service

Danbury Hospital has established a tradition of excellence, recruiting world-class physicians with academic experience and advanced qualifications in their fields to lead our clinical departments.

Our leaders have trained at some of the most prestigious institutions in the United States, bringing with them a focus on high quality care and service excellence.

Physician Directory

Top Performance

Quality and Safety Clinical Performance Reports We believe excellence is accomplished through partnering with our patients and their families to enhance their experiences and improve outcomes. We strive for top 10th percentile performance when compared to same size hospitals nationally.

Service Lines and Centers of Excellence

Praxair Regional Heart and Vascular Center Praxair Cancer Center Center for Weight Loss Surgery Radiology and Diagnostic Imaging Center for Advanced Orthopedic and Spine Care Women’s and Children’s Services

A Higher Level of Clinical Leadership

I invite you to learn more about how our clinical leaders and their departments work to ensure your safety, comfort and satisfaction. At Danbury Hospital, our intention is to exceed expectations, bringing a higher level of care to physicians and their patients throughout the region.

Dr Tietjen

Patricia A. Tietjen M.D., F.C.C.P., F.A.C.P.
Chairman, Department of Medicine

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Fellowship trained specialist in Pulmonary and Critical Care

Dr Broderick

Patrick B. Broderick, M.D., F.A.C.E.P
Chairman, Department of Emergency Medicine
Clinical Assistant Professor, University of Vermont, Department of Surgery

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Board certified emergency medicine physician

Dr Shahabi

Shohreh Shahabi, M.D.
Chairman, Department of Obstetrics, Gynecology and Reproductive Biology
Director, Reproductive Tumor Biology Research Laboratory

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Fellowship trained gynecologic oncologist

Dr Arguello

Raul Arguello M.D.
Chairman, Department of Pediatrics

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Fellowship trained pediatric endocrinologist

Paul Fiedler, M.D.

PaulN.Fiedler M.D.
Chairman, Department of Pathology and Laboratory Medicine

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Residency trained in Anatomical and Clinical Pathology

Dr. Sandhu

Fatejeet S. Sandhu, M.D.
Chairman, Department of Radiology and Diagnostic Imaging

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Fellowship trained interventional and vascular radiologist

Dr Herrick

Charles R. Herrick, M.D.
Chairman, Department of Psychiatry and Behavioral Health

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Fellowship trained psychiatrist

Thomas Kahl DDS

Thomas J. Kahl, D.D.S.
Chairman, Department of Dentistry
Director, Danbury Hospital Dental Services
Director, General Practice Residency in Dentistry Program

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Residency-trained general dentistry practitioner

Dr Serrins

Martin Serrins, M.D.
Chairman, Department of Anesthesiology

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Board-certified anesthesiologist with specialized skills in cardiovascular and pediatric anesthesiology

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

Related Centers and Departments

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)

Related Centers and Departments

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

Related Centers and Departments

Medical Director, Bronchoscopy and Interventional Pulmonology

Abhijith Hegde, M.D.

Medical Director, Bronchoscopy and Interventional Pulmonology
Co-Chair, Lung Tumor Board
Abhijith Hegde, M.D.

Dr. Hedge is a highly skilled, fellowship trained general and interventional pulmonologist with advanced skills in ultrasound, bronchoscopy, pleural procedures and airway management to diagnose and treat to lung disease, including asthma, COPD and lung cancer.

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In addition, he manages patients requiring hospital-based intensive care. He completed a fellowship in pulmonary/critical care and a research fellowship in cancer genetics.

Procedures and Specialties

  • General and interventional pulmonology, critical care
  • Asthma, COPD and lung cancer

Advanced procedures to diagnose and treat lung disease

  • Ultrasound
  • Bronchoscopy
  • Pleural procedures
  • Airway management

Related Centers and Departments

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.

Related Centers and Departments




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