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Daniel Petrylak

Dr. Daniel Petrylak is a Medical Oncologist with board certification in Greenwich, Connecticut with more than 20 years of experience, and is also the Leader of Prostate Medical Oncology at Yale Cancer Center. Dr. Petrylak' specialization in medical oncology allows him to diagnose and treat benign and malignant cancer tumors by means of chemotherapy, radiotherapy, hormone manipulation and other therapies. His focus is specifically on prostate and bladder cancer.

Dr. Petrylak's research goes towards the development of new drugs and treatments against prostate, bladder, kidney and testicular cancer. He graduated from Columbia College and received his medical degree from Case Western Reserve University of Medicine. He completed his Internal Medicine residency at Albert Einstein College of Medicine, and completed his fellowship in Medical Oncology at Memorial Sloan-Kettering Cancer Center.

Dr. Petrylak has received a sizeable amount of awards over several consecutive years from organizations such as Top Doctors: New York Metro Area, America's Top Doctors for Cancer and several others.


Adrenal Gland Cancer Anal and Rectal Cancer Anal Disorders Autoimmune Diseases Bladder Cancer Bleeding Disorders Blood Disorders Bone Disorders Brain Disorders Breast Diseases Cancer Gastrointestinal Diseases Head and Neck Cancer Laryngeal Cancer Larynx Conditions Melanoma Oral Cancer Pregnancy-Related Disorders Prostate Cancer Pulmonary Disease Renal Kidney Cancer Skin Cancer Small Intestine Cancer Stomach Cancer Stomach Diseases Testicular Cancer Throat Cancer Oropharyngeal Tongue Cancer Urinary Disorders Vascular Disease

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Dr. Petrylak Specialties

  • Anal and Rectal Cancer
  • Autoimmune Diseases
  • Bleeding Disorders
  • Bone Disorders
  • Breast Diseases
  • Gastrointestinal Diseases
  • Laryngeal Cancer
  • Melanoma
  • Pregnancy-Related Disorders
  • Pulmonary Disease
  • Skin Cancer
  • Stomach Cancer
  • Testicular Cancer
  • Tongue Cancer
  • Vascular Disease