* * * * INCLEMENT WEATHER ALERT * * *
Based on reported weather conditions as of Friday, January 23, 2026 11:00 AM the Princeton Medical Group has anticipated the following comments and changes in our schedule:
Saturday, January 24, 2026 – Princeton Office hours remain Open
Monday, January 26, 2026 – All 3 Office locations are CLOSED. Patients with office appointments are in the process of being called for rescheduling.
For procedures at other facilities, those respective facilities will make determinations and notifications as appropriate.
Please visit this website for further updates
We apologize for any inconvenience this has caused

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Peter Yi, MD, FACP
Oncology & Hematology

Peter Yi, M.D.

Dr. Yi treats patients at the following locations:

To schedule an appointment, call 609.924.9300

  • Bio
  • Education
  • Areas of Focus
  • Did You Know?

Bio

Peter Yi, M.D., is board certified in Internal Medicine, Medical Oncology and Hematology. He joined Princeton Medical Group in 1990 and is an attending physician at Penn Medicine Princeton Medical Center.

Education

College

University of New York at Stony Brook

Medical School

Cornell University Medical College

Residency

Brigham and Women’s Hospital, Harvard Medical School

Areas of Focus

Breast Cancer, Lung Cancer, Colon Cancer, Lymphoma, Prostate Cancer, Pancreatic Cancer, Ovarian Cancer

Did You Know?

Dr. Yi enjoys golf, although he admits he’s not the best player.