Summary

William M. Sikov, MD, is a hematologist and medical oncologist in The Leonard and Adele R. Decof Family Comprehensive Cancer Center at The Miriam Hospital. His clinical and research interests include the treatment of early stage and advanced breast cancer and colorectal cancer. A clinical associate professor of medicine at The Warren Alpert Medical School of Brown University, Sikov is board certified in internal medicine, hematology and medical oncology. He is a member of several professional societies, including the American Society of Clinical Oncology, American College of Physicians and Cancer & Leukemia Group B (CALGB), where he serves on the Board of Directors. He is associated director and chair of the Breast Committee of the Brown University Oncology Group (BrUOG). Sikov serves as principal investigator for ongoing clinical trials conducted regionally by the BrUOG and nationally by the CALGB. He had been invited to give presentations within the United States and internationally on the treatment of early stage and advanced breast cancer. He has published articles in a number of prestigious journals and serves as an invited reviewer for the Journal of Clinical Oncology, Cancer Investigation, and Cancer. After graduating from Brown University, Sikov received his medical degree from Yale University School of Medicine. He completed training in internal medicine at the University of Pittsburgh and his fellowship in hematology-oncology at New England Medical Center (now Tufts Medical Center) in Boston.
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Quick Facts

  • 3.5
  • 44 years of experience
  • speaks Spanish, English
  • University Of Pittsburgh Medical Center
  • 2 written reviews
  • 2 specialties
  • 18 areas of expertise
  • 2 board certifications
  • 4 hospital affiliations
  • 1 office location
  • Male

Office Location

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Dr. William Marshall Sikov, MDDr. Mirela Stancu, MDDr. Robert J Mcnamee, MDDr. Francis J Cummings, MD
OncologyHematologyInternal MedicineInternal Medicine
3.5 
4.3 
44 Years of Experience 35 Years of Experience 51 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, English
Providence , RIProvidence , RITaunton , MABarrington , RI
Med School: Yale University School Of Medicine Med School: Universitatea De Medicina Si Farmacie Carol Davila Med School: New York Medical College
Current Profile
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Insurance Plans Accepted by Dr. William Marshall Sikov

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. William Marshall Sikov has the following 2 specialties

Specialty Expertise

Dr. William Marshall Sikov has the following 18 areas of expertise

  • Adult T-Cell Leukemia-Lymphoma
  • Blood Cancer
  • Blood Disorders
  • Bone Marrow Transplant
  • Breast Cancer
  • Cancer
  • Chemotherapy
  • Clinical Research
  • Colon Cancer
  • Epidemiology
  • Gastrointestinal Cancer
  • Hematology
  • Hodgkin's Lymphoma
  • Leukemia
  • Lymphoma
  • Myelofibrosis
  • Myeloma
  • Rectal Cancer

Certifications, License, & Education

44 Years Experience

MEDICAL LICENSE

Medical Doctor, Rhode Island, 2026, Active

EDUCATION & TRAINING

Residency

University Of Pittsburgh Medical Center

Medical School

Yale University School Of MedicineGraduated in 1982

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Frequently Asked Questions

Where is Dr. William Sikov's office located?
Dr. William Sikov's office is located at 101 Dudley St, Providence, RI, 02905.
Does Dr. William Sikov accept my insurance?
You can see the insurance plans that Dr. William Sikov accepts on their Vitals profile.
What languages does Dr. William Sikov speak?
Dr. William Sikov speaks Spanish and English.
Does Dr. William Sikov accept virtual/telehealth appointments?
Dr. William Sikov has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is Dr. William Sikov accepting new patients?
Dr. William Sikov has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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