Meet Our Staff

Dr. Lauren O’Sullivan

Gynecologist and Surgeon

Dr. O’Sullivan and her family moved to Bend in 2006 to run and existing Gyn-only practice. She is Board Certified in OB/GYN but specializes in the care of non-pregnant women, with gynecological surgery and office procedures.

Dr. O’Sullivan went to college at Penn State University then medical school at Philadelphia College of Osteopathic Medicine and completed residency in Detroit. She, her husband and two children absolutely love Bend for its gorgeous mountains, amazing skiing and hiking and, of course, for the wonderful people who live here!

Dr. Lindy Vraniak


Dr. Vraniak grew up in Spokane, WA enjoying its many mountains, rivers and lakes. She earned a degree in Microbiology from Montana State University then attended medical school at University of Washington.  She completed her OB/GYN residency at Exempla St. Joseph’s Hospital in Denver then moved to Bend, with her husband. Lindy practiced OB/GYN for several years before taking time off to have children. Now back in practice, Lindy is excited to share her knowledge as a physician and a mother with her patients.  When not at one of the many local parks, you might find Lindy riding her bike, out on a trail run, or relaxing at the neighborhood coffee shop.

Kara Sealund

Office Manager

Kara joined the Bend Gynecology team in November 2018. She grew up in Sisters, OR and has raised her sons there. She and her family love spending time outdoors camping and boating on the many lakes in Central Oregon !

Nikki Roberson

Medical Assistant

Nikki is originally from the Midwest but has lived in Bend for 14 years. She joined our team in 2016  and has definitely found her niche as Medical Assistant ! Nikki is a very compassionate person who enjoys being right in the heart of Women’s Healthcare. In her free time, Nikki and her partner enjoy backpacking, climbing and mountain biking.

Hannah Dieffenthaller

Medical Assistant

Hannah is a graduate of the University of Colorado and recently settled in Bend. She has chosen Women’s Healthcare because of its many opportunities to support women in a caring and compassionate fashion. In her free time, Hannah and Matt are off exploring the beautiful PNW with their pup.