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
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
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.
Pierre F. Saldinger, M.D., F.A.C.S. Chairman, Department of Surgery, The Carmen L. and Peter Buck Chair of Surgery Director, Surgical Residency Program Find a Doctor Profile Fellowship trained hepatobiliary surgeon (pancreas, gallbladder, bile ducts, liver) |
Patricia A. Tietjen M.D., F.C.C.P., F.A.C.P. Chairman, Department of Medicine Find a Doctor Profile Fellowship trained specialist in Pulmonary and Critical Care |
Patrick B. Broderick, M.D., F.A.C.E.P Chairman, Department of Emergency Medicine Clinical Assistant Professor, University of Vermont, Department of Surgery Find a Doctor Profile Board certified emergency medicine physician |
Shohreh Shahabi, M.D. Chairman, Department of Obstetrics, Gynecology and Reproductive Biology Director, Reproductive Tumor Biology Research Laboratory Find a Doctor Profile Fellowship trained gynecologic oncologist |
Raul Arguello M.D. Chairman, Department of Pediatrics Find a Doctor Profile Fellowship trained pediatric endocrinologist |

Paul N. Fiedler M.D. Chairman, Department of Pathology and Laboratory Medicine Find a Doctor Profile Residency trained in Anatomical and Clinical Pathology |
Fatejeet S. Sandhu, M.D. Chairman, Department of Radiology and Diagnostic Imaging Find a Doctor Profile Fellowship trained interventional and vascular radiologist |
Charles R. Herrick, M.D. Chairman, Department of Psychiatry and Behavioral Health Find a Doctor Profile Fellowship trained psychiatrist |

Thomas J. Kahl, D.D.S. Chairman, Department of Dentistry Director, Danbury Hospital Dental Services Director, General Practice Residency in Dentistry Program Find a Doctor Profile Residency-trained general dentistry practitioner |
Martin Serrins, M.D. Chairman, Department of Anesthesiology Find a Doctor Profile Board-certified anesthesiologist with specialized skills in cardiovascular and pediatric anesthesiology |
Chief, Cardiothoracic Surgery
Cary S. Passik, M.D.
Chief of Cardiothoracic Surgery 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
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 SurgeryDr. 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.
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 MedicineDr. 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
Medical Director, Bronchoscopy and Interventional Pulmonology
Abhijith Hegde, M.D.
Medical Director, Bronchoscopy and Interventional Pulmonology
Co-Chair, Lung Tumor Board 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
Co-Director, The Spine Center at Danbury Hospital
David L. Kramer, M.D.
Co-Director of The Spine Center at Danbury Hospital
Board of Directors, Western Connecticut Health NetworkDr. Kramer is a fellowship trained orthopedic spine surgeon specializing in minimally invasive and complex surgical procedures of the spine and non-invasive treatments of the neck, back and spine.
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Procedures and Specialties
- Complex spinal revision surgery
- Spinal deformity
- Spinal fractures
- Spinal fusions
- Scoliosis (adult and pediatric)
- Minimally-invasive treatments of the neck/back/spine
- Cervical disc herniation and cervical spinal stenosis
“I provide my patients with the highest level of quality, evidenced based medical and surgical treatment of spinal disorders that are responsive to the individual needs of the patient and their referring physician. It’s not only about consistently good surgical outcome; it’s about patient satisfaction.”
Related Centers and Departments