Obstetrics & Gynecology Santa Clara - Residents

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Santa Clara OB/GYN Resident Roster 2025-2026

PGY4 – Chiefs

Lauren Claypoole, MD
Chief 4

Lynette Gonzalez, MD
Chief 4

Mercedes Posadas Rivas, MD
Chief 4

Sofia Rojasova, MD
Chief 4

Carol Shi, MD
Chief 4

PGY3

Abigail Archibald, MD

Alexandra Calderon, MD

Sophia Han, MD

Kiana Khosravian, MD

Vanessa Kusisto, MD

Anna Mattson, MD

Allison Walsh, MD

PGY2

Wyanet Bresnitz, MD

Kelly Chau, MD

Sofia Jo Gasacao, DO

Prema Vyas, MD

Michelle Willis, MD

Edie Zhang, MD

PGY1

Aimee-Sandrine Basinga, MD

Michelle Chan Sanchez, MD

Kasey Fitzsimmons, MD

Bridget Foy, MD

Jessica Quintos Day, MD

Anna Ung, MD

Obviously I’m biased but I think I went to the best OB/Gyn residency program in the country. Kaiser Santa Clara had the two things I most wanted out of my training: high volume and kind people. It doesn’t get better!

VyVy Trinh, MD (Class of 2022) Providence Community Health Centers, RI

I don’t know if I can find the right words for Kaiser SCL because there are so many great things to say. All I can say is that I am grateful for the wonderful training there, but most of all, the wonderful people. Your program is like family and I feel so lucky just having the opportunity to be in such a supportive setting. It’s high caliber program with so many resources to support your training and be so up to date/evidence based, that you leave feeling so prepared for attending life.

Van Nguyen MD (Class of 2018) Kaiser Permanente Orange County

I have never felt more lucky to have been a resident at Kaiser Santa Clara; I can undoubtedly say training here has been the best decision of my medical career thus far. I received excellent surgical training and practiced evidence-based medicine with a team of staff and colleagues who love to teach. Your goals and priorities as a trainee are focused on in the get-go, and the support I received from the Program Director, attendings, mentors, and colleagues cannot be understated. I would not be pursuing my fellowship in Gynecologic Oncology at Stanford if it weren’t for my training at Kaiser Santa Clara!

Stephanie Chow, MD (Class of 2019) Gyn Onc Fellowship Stanford University

Having recently completed my fellowship training in Female Pelvic Medicine and Reconstructive Surgery, I look back on my 4 years as an OBGyn resident at Kaiser Santa Clara and I feel truly lucky to have been a part of this excellent program. I believe that the diverse clinical training and excellent research opportunities through the Kaiser Northern California Department of Research helped shape me into a competitive fellowship applicant. More importantly, I made many life-long friendships with my co-residents, attending physicians, and nurses that I still keep in touch with to this day. Kaiser Santa Clara is a very special and tight-knit family and I am grateful to have spent 4 of the most pivotal years of my medical education within this program!

Kristen Buono MD (Class of 2017)

Before I interviewed at Kaiser Santa Clara for residency in ObGyn, I knew that Kaiser, by reputation, had the most comprehensive and accessible EMR in the Country. For that reason, it offered a great opportunity to do “big data” research, the kind of research that attracted me. When I interviewed, what impressed me the most, however, was the high quality of the people I met. They were the reason I ranked Kaiser Santa Clara #1 on my match list. My four years in residency exceeded my highest expectations. From top to bottom, the Director, the outstanding physicians who mentored us, and the staff who supported us, did everything they could to help us achieve our goals. They encouraged us to pursue our dreams, and it
was because of this remarkable group of people that I am now a fellow in REI at UCLA. I owe a great debt of gratitude to my friends at Kaiser Santa Clara.

Carrie Riestenberg, MD Class of 2018 REI Fellowship, UCLA

I never would have believed that I could learn so much in such a short period of time. I feel that I have truly grown in both my clinical and surgical skills through the years with the help of many experienced attendings and residents who are all excited about teaching. I also feel lucky to be in a program where the residents care about each other, are able to socialize outside of the hospital, and truly work together as an effective team within a hospital.

Kimberly Lee, MD, Class of 2007 Now Practicing at Kaiser Permanente Medical Center, Santa Clara

The Kaiser Santa Clara clinical and surgical training is strong in volume and pathology, and set in an environment focused on resident learning and education. The attendings truly care about our wellbeing and teaching us patient centered, evidence based medicine. The teamwork and camaraderie of the residents builds a supportive environment in which you can work hard, have fun and thrive. I feel incredibly lucky to have trained here and would choose it again without hesitation.

Marie Holzapfel , MD, Class of 2012 Gyn Onc Fellow at UCLA

Kaiser Santa Clara has a reputation as a supportive environment, where the emphasis on resident wellness is apparent and the clinical training is among the best in California (and I would argue, the country!). This was certainly my experience, and as a fellow in FPMRS who works with residents from two OB/Gyn programs, and with Sub-I’s from all over the country, I have heard people echo these sentiments many times. The residency has tapped into something special that provides opportunities in research and global health, while at the same time offering training in evidence-based, high volume, full-scope OB/Gyn. Yes, graduates have gone on to do sub-specialty fellowship, private practice, and academics, but the fact that residents in multiple classes chose to stay at KP-SCL is a mark of a program that not only trains people well but can also retain them. I am proud to have graduated from a program with such balance of scholarship, clinical excellence, and resident support!

Aldene Zeno, MD Class of 2016 FPMRS Fellow at Harbor-UCLA

Our Graduates

Class of Name & Medical School Post Graduate Work Fellowship
2025 Chinmayi Aryasomayajula, MD
UCLA David Geffen SOM		 Gyn Oncology Fellowship, UCLA
2025 Emily Chang, MD
USC SOM		 Kaiser Pleasanton REI Fellowship, UCLA
2025 Sally, Chen, MD
Temple University SOM
2025 Monica Choo, MD
University of Michigan SOM		 Stanford Health Care Pleasanton
2025 Riley Mickelsen, MD
University of Kansas SOM		 Kaiser San Diego
2025 Roselyn Neville, MD
University of Utah SOM		 Kaiser Santa Clara
2024 Marissa Lovio, MD
UC Irvine		 Sharp Rees Stealy Medical Group, San Diego
2024 Ekta Partani, MD
Virginia Commonwealth Univ. SOM		 Kaiser Santa Clara MFM Fellowship, UC Irvine
2024 Jeannie Radoc, MD
UCLA David Geffen SOM		 San Juaquin General Hospital
2024 Rebecca Tsai, MD
UC Davis SOM		 South Denver OBGYN & Midwives, CO
2023 Michelle Couret, MD
Columbia Vagelos College of Physicians & Surgeons		 Kaiser San Diego
2023 Angelique Kim, MD
UC Davis School of Medicine		 Kaiser Redwood City
2023 Carolyn Sinow, MD
Stanford University		 Kaiser South Bay
2023 Wenting Tong, MD
Creighton University		 Kaiser San Jose
2022 Ashleigh Nelson, MD
UCSF SOM		 Kaiser Santa Clara
2022 Olivia Sanchez, MD, MPH
UC Irvine		 Kaiser Fontana
2022 Elyse VyVy Trinh, MD
Warren Alpert SOM of Brown University		 La Clinica, Oakland
2022 Rebecca Levitte, MD
University of Washington SOM		 Kaiser Daly City
2021 Kelly Bruce, MD
Wisconsin SOM		 Mayo Clinic Gyn Oncology Fellowship, Mayo Clinic
2021 Frances Farrimond, MD
UCSF SOM		 Kaiser San Jose
2021 Josephine Nguyen, MD
St. Louis SOM		 Kaiser Santa Clara
2021 Jessica Ocampo, MD
Loyola University SOM		 Amita Medical Center Chicago Illinois
2020 Jerome Chelliah, MD, MPH
UCSF SOM		 HerMD Cincinnati, OH
2020 Luz Corona Gomez, MD, MPH
UCLA SOM		 Kaiser Fresno
2020 Thuy Le, MD
Chicago Medical School		 La Clinica de la Raza, Oakland CA
2020 Kristen Strength, MD
UCLA SOM		 Northwest Kaiser Portland, OR
2019 Jeyling Chou, MD
UCSF SOM		 Kaiser Santa Clara Patient Safety Fellowship, Kaiser Permanente Northern California
2019 Stephanie Chow, MD
Temple University		 Stanford Valley Care, Pleasanton CA Gyn Onc Fellowship, Stanford University
2019 Bianca Mosley, MD
Morehouse SOM		 Wellstar Cobb, Georgia
2019 Stephanie Tjho, MD
USC SOM		 Kaiser San Leandro
2018 Robert Day, MD
University of Massachusetts		 PIH Health Physicians, Long Beach CA MFM Fellowship, UC Irvine
2018 Sai-Wing Chan, MD
UCSF SOM		 Kaiser Redwood City
2018 Merrit Koskelo MD, Ph.D.
OHSU SOM		 Kaiser Roseville
2018 Tuong Van Nguyen, MD
Medical College of Wisconsin		 Kaiser Orange County
2017 Kristen Buono, MD
UC San Diego		 Dignity Health, Sacramento CA FPMRS Fellowship, UC Irvine
2017 Bethany Conly, MD
UC Irvine		 Salinas Valley Memorial, Salinas CA
2017 Elisabeth Obenauf, MD
University of New Mexico SOM		 Women’s Specialists of New Mexico
2017 Carrie Riestenberg, MD
UC San Diego		 Reproductive Partners Medical Group, Inc., Redondo Beach CA REI Fellowship, UCLA
2016 Andrea Bowen, MD
UC Davis		 Kaiser Santa Clara
2016 Ariel Dubin, MD
Georgetown		 Kaiser Modesto MIS Fellowship, Columbia University
2016 Rebecca Falik, MD, MST
UCSF SOM		 Alameda Health System Highland Hospital, Oakland CA MIS Fellowship, Stanford University
2016 Aldene Zeno, MD
Loyola University SOM		 Keck Medicine of USC FPMRS Fellowship, Harbor UCLA
2015 Kathryn Gunnison, MD, MS
Chicago Medical School		 OBGYN Associates of Central Coast, Salinas CA
2015 Sarah Hebl, MD, MPH
Tufts University		 Pacific Women’s Group, San Francisco
2015 Michelle Monnie, MD
Oregon Health and Science		 Women’s Healthcare Associates, Portland Oregon
2015 Polina Niedle, MD, MPH
Temple University		 Temple University Kaiser Santa Clara
2014 Emily Adams-Piper, MD
Boston University SOM		 Kaiser San Jose FPMRS Fellowship, UC Irvine
2014 Jennifer Johnson, MD
Wayne State University SOM		 Kaiser Santa Rosa
2014 Ricci Sylla, MD
University of Toledo COM		 Sutter Health Castro Valley Care Center
2014 Worth Thomas, MD
University of Colorado SOM		 Kaiser Santa Clara
2013 Toby Frescholtz, MD
University of Nevada SOM		 University of Nevada SOM Patient Centered Family Medicine
2013 Yanina Greenstein, MD
Boston University SOM		 Kaiser Tracy
2013 Nidhi Jacob, MD
Albany Medical College		 Sutter Health, San Jose CA
2013 Whitney March, MD
Northwest University The Feinberg SOM		 Kaiser Walnut Creek
2012 Marie Holzapfel, MD
U. Washington SOM		 Kaiser Santa Clara
2012 Uyen Huynh, MD
Chicago Medical School		 Kaiser Pleasanton
2012 Erika Kwock, MD
University of Hawaii SOM		 Kaiser Honolulu HI
2012 Michelle Pham, MD
UC Davis SOM		 Kaiser Fremont
2011 Nicole Mahnert, MD
University of Wisconsin		 Banner Health, Phoenix AZ MIS Fellowship, University of Michigan
2011 Irene Mason, MD
Drexel University		 Kaiser Antioch
2011 Kim Pham, MD
Creighton University		 Kaiser Redwood City
2011 Normelena Rios, MD
USC SOM		 Kaiser Pleasanton
Obstetrics & Gynecology Santa Clara
More Information

For more information regarding
our program, please contact:

Terri Daszko
GME Coordinator

Terri.T.Daszko@kp.org

408-851-3842

See all Obstetrics & Gynecology Programs

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