Leading Community Cancer Care since 1963

At Buffalo Medical Group, our team of surgeons, oncologists and care coordinators are here to help you and your loved one achieve the best possible outcome with compassionate, individualized cancer care.

Radiation, chemotherapy and surgery are just one aspect of Buffalo Medical Group’s cancer care (oncology). Relationships and compassion also play a vital role—and can make all the difference. At Buffalo Medical Group, we provide the most advanced cancer treatments, and coordinate with many national cancer centers when appropriate. But we also remember there’s a person behind the patient. When you come to us, we take the time to work with you and your caregiver, providing coordinated care through every step and every stage you may encounter. And from the moment you’re diagnosed to whenever you need us, we’ll be there. Just as we’ve been for almost 60 years.

With convenient locations in the Northtowns, Southtowns and Downtown Buffalo, cancer care is never far from home. New patient appointments are available within one week or less.

Complete cancer care—from screening to diagnosis, to treatment, to survivorship.

Types of Cancer We Treat:

At Buffalo Medical Group, we treat a wide range of cancer, thanks to our expert team of medical and surgical oncologists and hematologists.

  • Adenocarcinoma of the lung
  • Basal cell cancer
  • Bladder cancer
  • Blood cancer
  • Bone cancer
  • Bone marrow cancer
  • Breast cancer*
  • Colon cancer
  • Colorectal cancer
  • Ductal carcinoma
  • Ear, nose & throat cancer
  • Hairy cell leukemia
  • Hodgkin’s lymphoma
  • Kidney cancer
  • Leukemia
  • Lung cancer
  • Lymphoma
  • Melanoma (skin cancer)
  • Myeloma
  • Pancreatic cancer
  • Prostate cancer
  • Rectal cancer
  • Sarcoma
  • Skin cancer
  • Soft tissue tumors
  • Squamous cell carcinoma

Cancer Treatments & Services:

Our surgeons and oncologists will tailor cancer treatments and services specifically for you. We know each person is unique, so your cancer treatment plan should be too.

  • Breast reconstruction
  • Chemotherapy infusion treatments
  • Consultations and second opinions
  • Financial counseling
  • Imaging services
  • Laboratory testing and services
  • Lumpectomy
  • Mastectomy*
  • Partial mastectomy*
  • Patient care coordination
  • Radiation therapy*
  • Treatment and management of hematological disorders

*Buffalo Medical Group is able to offer various aspects of cancer care for these specific types of cancer through our partnership with Roswell Park Cancer Community Practice.

Cancer Screening Services:

Regular cancer screenings are vital to your health. Our team offers cancer screening services, to assist with prevention and early detection.

Insurance shouldn’t be part of your battle.

When you’re fighting cancer, the last thing you should have to worry about is how you’ll pay for your treatment. We accept most major insurance providers at Buffalo Medical Group, and our care coordinators are here to help you and your family understand your insurance coverage and options. 

Oncology Specialists

Robert M. Zielinski, M.D.

295 Essjay Road

Williamsville, NY 14221

716.630.1059 See Doctor Profile

Hong Liu, M.D.

295 Essjay Road

Williamsville, NY 14221

716.630.1029 See Doctor Profile

Yijun Cheng, M.D.

295 Essjay Road

Williamsville, NY 14221

716.630.1048 See Doctor Profile

Gayatri Vaidyanathan, M.D.

295 Essjay Road

Williamsville, NY 14221

716.630.1343 See Doctor Profile

Nancy Sullivan, N.P.

295 Essjay Road

Williamsville, NY 14221

716.630.1045 See Profile