Mark Moasser, MD

Breast oncologist

Dr. Mark Moasser is a medical oncologist specializing in breast cancer treatment and research. In the laboratory, he works to develop more effective therapies for the treatment of breast cancer and designs clinical trials that he brings to the clinic. He has published his work in numerous scientific journals and regularly presents his findings at scientific meetings.

Moasser graduated from Tufts University School of Medicine and completed his residency and fellowship training at The New York Hospital -- Cornell Medical Center and Memorial Sloan-Kettering Cancer Center in New York.


Carol Franc Buck Breast Care Center
1600 Divisadero St., Second Floor
San Francisco, CA 94115
Phone: (415) 353-7070
Nurse Advice Line : (415) 353-9752
Surgery Fax: (415) 353-7050
Oncology Fax: (415) 353-7692

Hours: Monday to Friday
8 a.m. – 5 p.m.

Conditions & Treatments

Academic Title


More about Mark Moasser


Tufts University School of Medicine 1988


New York Hospital/Cornell Medical Center, Internal Medicine 1991


Memorial Sloan-Kettering Cancer Center, Medical Oncology 1995
Memorial Sloan-Kettering Cancer Center, Breast Cancer 1996

Selected Research and Publications

  1. Ruiz-Saenz A, Dreyer C, Campbell MR, Steri V, Gulizia NP, Moasser MM. HER2 amplification in tumors activates PI3K/Akt signaling independent of HER3. Cancer Res. 2018 May 14.
  2. Pollan SG, Huang F, Sperger JM, Lang JM, Morrissey C, Cress AE, Chu CY, Bhowmick NA, You S, Freeman MR, Spassov DS, Moasser MM, Carter WG, Satapathy SR, Shah K, Knudsen BS. Regulation of inside-out 1-integrin activation by CDCP1. Oncogene. 2018 Mar 07.
  3. Ruiz-Saenz A, Moasser MM. Targeting HER2 by Combination Therapies. J Clin Oncol. 2018 Mar 10; 36(8):808-811.

Publications are derived from MEDLINE/PubMed and provided by UCSF Profiles, a service of the Clinical & Translational Science Institute (CTSI) at UCSF. Researchers can make corrections and additions to their publications by logging on to UCSF Profiles.