Our Cancer Care Team

Medical oncology services at WhidbeyHealth Medical Center are provided by the Providence Regional Cancer Partnership. The partnership brings together providers at WhidbeyHealth Medical Center with the Everett Clinic, the Providence Everett Medical Center, the Northwest Radiation Oncology Associates and Western Washington Medical Group.

Meet Our Team


Cancer Center Partners around the Puget Sound

Three board-certified medical oncologists treat cancer patients at WhidbeyHealth Cancer Care clinic.

  • Tammy Muller, PA-C (Wednesdays)
  • Dr. Wendy Wang (Tuesdays)
  • Dr. Peter Jiang (Mondays)


Wendy Wang, MD, PhD

Dr. Wendy Wang has been treating patients at WhidbeyHealth Medical Center since 2008.

A board-certified medical oncologist, Dr. Wang is a member of our Cancer Committee, where she helps determine the stage of a patient’s cancer and then establish treatment plans based on National Comprehensive Cancer Network guidelines.

Dr. Wang has a particular interest in the management of hematologic malignancies and breast cancers. She also participates in clinical trials designed to improve cancer treatment strategies.

Read more about Wendy Wang, MD, PhD

Watch a video featuring Wendy Wang, MD, PhD


Peter Jiang, MD, PhD
Board-certified Dr. Peter Jiang was recognized as one of the best medical oncologists in the Puget Sound region in 2011, 2012 and 2016 by Seattle Magazine. Dr. Jiang, who has cared for patients at WhidbeyHealth for 10 years, treats all types of cancer and has a particular interest in gastrointestinal and genitourinary cancers.

Dr. Jiang is a member of the American Society of Clinical Oncology and the Puget Sound Oncology Consortium and has published extensively in hematology/oncology.

Read more about Peter Jiang, MD, PhD

Watch a video featuring Peter Jiang, MD, PhD