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Jun Ma, NP, PhD


Specialty: Gynecologic Oncology, Board-certified

Languages: English, Mandarin Chinese, Interpreters available for other languages

Gender: Female


Jun received her medical degree and completed her residency in Obstetrics-Gynecology at Xi'an Medical University in Xi'an, China. She became a board certified Advanced Oncology Certified Nurse Practitioner in 2011. She sees patients in outpatient and inpatient settings, as well as assists in gynecologic oncology and pelvic surgeries including minimally invasive and robotic surgeries. 

She is also an accomplished instructor at OHSU, teaching gynecologic oncology and breast care to midwifery nursing graduate students. Jun has won numerous honors and awards for her work, and has published many peer reviewed articles. She also earned a PhD in tumor immunology from a joint Sino-American PhD program.

Jun has completed a certificate in clinical cancer genetics intensive training course from City of Hope, a National Cancer Institute-designated comprehensive cancer center and a founding member of the National Comprehensive Cancer Network.

Education and Certification

  • Master of Nursing: Oregon Health & Science University
  • Doctorate: Xi'an Jiaotong University, School of Medicine, China
  • Medical School: Xi'an Medical University, China

Year provider started practicing medicine: 1995


  • Detailed characterization of tumor infiltrating lymphocytes in two distinct human solid malignancies show phenotopic similarities
    Journal for ImmunoTherapy of Cancer
  • Journal of the Advanced Practitioner in Oncology
    • Testing Women With Endometrial Cancer for Lynch Syndrome: Should We Test All?
  • • Randomized Controlled Trial Comparing Single-port laparoscopic Cholecystectomy and Four-Port laparoscopic Cholecystectomy
    Annals of Surgery

Practice Information

Primary Practice: Legacy Medical Group-Gynecologic Oncology

Provider practices at one or more Legacy Medical Group (LMG) Clinics: Yes

Legacy Health Partners


  1. Legacy Medical Group-Gynecologic Oncology
    • 1130 N.W. 22nd Ave., Suite 110
    • Portland, OR 97210
    • Phone : 503-413-8654
    • Fax : 503-413-8655
  2. Legacy Salmon Creek Medical Center
    • 2211 N.E. 139th St.
    • Vancouver, WA 98686
    • Phone : 360-487-1000