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Office
830 Harrison Avenue
Moakley, 3rd Floor
Boston, MA 02118Phone+1 617-638-6428Fax+1 617-638-5756
Education & Training
- Memorial Sloan Kettering Cancer CenterFellowship, Hematology and Medical Oncology, 2004 - 2007
- University of Pennsylvania Health SystemResidency, Internal Medicine, 2001 - 2004
- Perelman School of Medicine at the University of PennsylvaniaClass of 2001
Certifications & Licensure
- MA State Medical License 2007 - 2025
- NY State Medical License 2004 - 2007
- PA State Medical License 2001 - 2004
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Hematology
- American Board of Internal Medicine Medical Oncology
Awards, Honors, & Recognition
- Regional Top Doctor Castle Connolly, 2014
Clinical Trials
- S1216, Phase III ADT+TAK-700 vs. ADT+Bicalutamide for Metastatic Prostate Cancer Start of enrollment: 2013 Mar 08
Publications & Presentations
PubMed
- A qualitative study of the experiences of patients with prostate cancer when receiving negative genetic results: "I still don't have a grasp of what it all means".Kimberly Zayhowski, Catharine Wang, Mary Nahorniak, Stephanie Loo, Gretchen Gignac
Journal of Genetic Counseling. 2024-11-29 - Enfortumab-vedotin use for urothelial carcinoma in two patients on hemodialysis.Harshit Khosla, Sita Bhatt, Ming-Jin Wang, Gretchen Gignac, Kriti Mittal
Journal of Oncology Pharmacy Practice. 2024-07-01 - Characterizing Referrals for Prostate Cancer Genetic Services in a Safety-Net Hospital.Christine M Gunn, Gretchen Gignac, Brianna Hardy, Kimberly Zayhowski, Magdalena Pankowska
JCO Oncology Practice. 2023-10-01
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