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Norris Cotton Cancer CenterNorris Cotton Cancer Center
In This Section

Our Team

Our multidisciplinary care is coordinated through our centrally located hub at DHMC in Lebanon, NH as well as our four regional locations (Manchester, Nashua, and Keene, NH, and St. Johnsbury, VT) and affiliated hospitals throughout NH and VT. This enables us to provide you the best possible care in the most convenient location for you, close to home.

Program Director
John H. Turco, MD

Meet our providers

Benjamin Boh, Dartmouth-Hitchcock Endocrinology & Metabolism provider.

Located at

Lebanon

Benjamin Boh, DO, MS

Endocrinology & Metabolism

Areas of Focus
  • Transgender medicine
  • Transgender adolescent clinic
  • Fertility preservation in transgender patients
  • Male infertility
  • And 5 more areas of focus
Samuel J. Casella, Dartmouth-Hitchcock Pediatric Endocrinology provider.

Located at

Lebanon

Samuel J. Casella, MD

Pediatric Endocrinology

Areas of Focus
  • Growth disorders
  • Pediatric diabetes
  • Pediatric endocrinology
Sushela S. Chaidarun, Dartmouth-Hitchcock Endocrinology & Metabolism provider.

Located at

Lebanon

Sushela S. Chaidarun, MD, PhD

Endocrinology & Metabolism

Areas of Focus
  • Diabetes
  • Obesity
  • Metabolic syndrome
  • Women's health
  • And 5 more areas of focus
Richard J. Comi, Dartmouth-Hitchcock Endocrinology & Metabolism provider.

Located at

Lebanon

Richard J. Comi, MD

Endocrinology & Metabolism

Areas of Focus
  • cystic fibrosis-related diabetes
  • diabetes
  • diabetic foot ulcers
  • endocrinology
  • And 6 more areas of focus
Louise Davies, Dartmouth-Hitchcock Otolaryngology and Audiology provider.

Located at

LebanonWhite River Junction

Louise Davies, MD, MS

Otolaryngology and Audiology

Areas of Focus
  • Thyroid disorders
  • Head and neck cancer
  • General otolaryngology
  • Health services research: cancer epidemiology
Thomas H. Davis, Dartmouth-Hitchcock Hematology Oncology provider.

Located at

Lebanon

Thomas H. Davis, MD

Hematology Oncology

Areas of Focus
  • Head and neck cancer
  • Thyroid cancer
  • Nonmelanoma skin cancer of the head and neck region
  • Bone and soft tissue sarcomas
John M. Gemery, Dartmouth-Hitchcock Radiology provider.

Located at

Lebanon

John M. Gemery, MD

Radiology

Areas of Focus
  • Angiography
  • Interventional radiology
  • Tumor ablation
  • Embolization including radioembolization (Y90)
  • And 1 more areas of focus
Benoit J. Gosselin, Dartmouth-Hitchcock Otolaryngology and Audiology provider.

Located at

Lebanon

Benoit J. Gosselin, MD

Otolaryngology and Audiology

Areas of Focus
  • Head and neck cancer
  • Head and neck reconstruction
  • Head and neck microvascular surgery
  • Plastic surgery
  • And 1 more areas of focus
Molly H. Harrington, Dartmouth-Hitchcock Pediatric Endocrinology provider.

Located at

Dover

Molly H. Harrington, MD

Pediatric Endocrinology

Areas of Focus
  • Pediatric Endocrinology
  • Thyroid Disease
  • Thyroid Cancer
William S. Laycock, Dartmouth-Hitchcock General Surgery provider.

Located at

Lebanon

William S. Laycock, MD

General Surgery

Areas of Focus
  • Achalasia Surgery
  • Bariatric Surgery
  • Flexible Endoscopy
  • Gallbladder
  • And 4 more areas of focus
Xiaoying Liu, Dartmouth-Hitchcock Pathology provider.

Located at

Lebanon

Xiaoying Liu, MD

Pathology

Areas of Focus
  • Cytopathology
  • Fine needle aspiration cytology
  • Gastrointestinal pathology
Vincent A. Memoli, Dartmouth-Hitchcock Pathology provider.

Located at

Lebanon

Vincent A. Memoli, MD

Pathology

Areas of Focus
  • Endocrine
  • Bone and neuroendocrine pathology
  • Pulmonary pathology
  • Surgical pathology
Jason R. Pettus, Dartmouth-Hitchcock Pathology provider.

Located at

Lebanon

Jason R. Pettus, MD

Pathology

Areas of Focus
  • Renal Pathology
  • Head and neck pathology
  • Urologic pathology
Philip E. Schaner, Dartmouth-Hitchcock Radiation Oncology provider.

Located at

LebanonSt Johnsbury

Philip E. Schaner, MD, PhD

Radiation Oncology

Areas of Focus
  • Head and neck cancer
  • Lung cancer
  • Stereotactic body radio surgery
  • Esophageal cancer
  • And 2 more areas of focus
John D. Seigne, Dartmouth-Hitchcock Urology provider.

Located at

LebanonNew London

John D. Seigne, MB

Urology

Areas of Focus
  • Renal cancer
  • Bladder cancer
  • Penis and testis cancer
  • Genitourinary sarcoma
  • And 1 more areas of focus
Alan H. Siegel, Dartmouth-Hitchcock Radiology provider.

Located at

Lebanon

Alan H. Siegel, MD, MS

Radiology

Areas of Focus
  • Nuclear medicine
Nathan E. Simmons, Dartmouth-Hitchcock Neurosurgery provider.

Located at

Lebanon

Nathan E. Simmons, MD

Neurosurgery

Areas of Focus
  • Benign and malignant brain tumors
  • Pituitary tumors
  • Acoustic neuromas
  • Metastatic tumors to the brain
  • And 7 more areas of focus
Kerrington D. Smith, Dartmouth-Hitchcock General Surgery provider.

Located at

Lebanon

Kerrington D. Smith, MD

General Surgery

Areas of Focus
  • Pancreatic cancer
  • Chronic pancreatitis
  • Minimally invasive approaches to pancreas surgery
  • Upper gastrointestinal surgical oncology
Meredith J. Sorensen, Dartmouth-Hitchcock General Surgery provider.

Located at

Lebanon

Meredith J. Sorensen, MD, MS

General Surgery

Areas of Focus
  • Endocrine surgery
  • Benign and malignant diseases of the thyroid, parathyroid, and adrenal glands
John H. Turco, Dartmouth-Hitchcock Endocrinology & Metabolism provider.

Located at

Lebanon

John H. Turco, MD

Endocrinology & Metabolism

Areas of Focus
  • Adrenal Disorders
  • Osteoporosis
  • Pituitary Disorders
  • Thyroid Aspiration
  • And 2 more areas of focus
Susan Yuditskaya, Dartmouth-Hitchcock Endocrinology & Metabolism provider.

Located at

Lebanon

Susan Yuditskaya, MD

Endocrinology & Metabolism

Areas of Focus
  • Thyroid disorders
  • Pituitary disease
  • Adrenal disease
  • Diabetes mellitus
  • And 2 more areas of focus
Bassem I. Zaki, Dartmouth-Hitchcock Radiation Oncology provider.

Located at

LebanonSt Johnsbury

Bassem I. Zaki, MD

Radiation Oncology

Areas of Focus
  • Brachytherapy
  • Gastrointestinal cancer
  • Gynecologic cancer
  • Lymphoma
  • And 3 more areas of focus
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