Obstetric Care Providers

At Women's Healthcare Associates, we provide a broad range of care to meet the unique needs and preferences of our pregnant patients. Obstetric care is provided by our OB/GYN physicians and Certified Nurse Midwives. Regardless of who you choose to see, our clinicians are committed to personalized care centered on evidence, education and the empowerment of each woman to make choices that are right for her and her family. Read more about obstetric care at Women's Healthcare Associates >

Our providers are proud to deliver babies at Providence St. Vincent, Portland, Willamette Falls and Newberg medical centers and at Legacy Meridian Park and Emanuel medical centers. Find an office >

Name	Provider Type	Location	Languages
Samantha R. Adkins, MD	OB/GYN Physician	Peterkort South
Paige Atkinson, CNM, MN	Certified Nurse Midwife	Gateway	Spanish
Margaret Elisa Barske, MD	OB/GYN Physician	Newberg
Sarah E. Bodian, CNM, MSN	Certified Nurse Midwife	Peterkort South	French
Holly Boehm, CNM, MN	Certified Nurse Midwife	Oregon City
Ariel Brantley-Dalglish, CNM, MN	Certified Nurse Midwife	Oregon City
Trina A. Brodsky, MD	OB/GYN Physician	Hillsboro
Joline S. Bronson, MD	OB/GYN Physician	Oregon City	Mandarin Cantonese Burmese
Marisa R. Bryman, CNM, MSN	Certified Nurse Midwife	Gateway	Spanish
Gary A. Burgoine, MD, FACOG	OB/GYN Physician	Tualatin
Jamie Burke, CNM, MSN	Certified Nurse Midwife	Extended Hours Lloyd District
Marni S. Carlyle, MD	OB/GYN Physician	Peterkort North
Katherine T. Chang, MD, MPH	OB/GYN Physician	Lloyd District	Mandarin
Erica Coppola, CNM, DNP	Certified Nurse Midwife	Oregon City
Lisa L. Diepenhorst, MD, FACOG	OB/GYN Physician	Lloyd District
Danielle Dion, MD	OB/GYN Physician	Peterkort North
Christina T. Echternach, CNM, FNP, MSN	Certified Nurse Midwife	Peterkort South
Gregory M. Eilers, MD, FACOG	OB/GYN Physician	Gateway
Sandra L. Emmons, MD	OB/GYN Physician	Gateway Gresham
Ryan Empey, MD	OB/GYN Physician	Lloyd District	Mandarin
Sara Fahey, CNM, ARNP, MSN	Certified Nurse Midwife	Lloyd District	Spanish
D. Katie Fitzpatrick, MD, MPH	OB/GYN Physician	Lloyd District
Jessica D. Fowler, MD	OB/GYN Physician	Tualatin	Spanish
Mary L. Gallagher, CNM, MN	Certified Nurse Midwife	Hillsboro
Maryanne B. Garvie-Loveland, MD	OB/GYN Physician	Peterkort North
Lindsey Geunes, CNM, WHCNP, MSN	Certified Nurse Midwife	Peterkort South
Lori L. Goranson, MD	OB/GYN Physician	Tualatin
Margaret C. Gorman, MD	OB/GYN Physician	Gateway
Wendy Hall, MD, PhD	OB/GYN Physician	Oregon City
Richard N. Hamilton, MD, FACOG	OB/GYN Physician	Lloyd District Northwest Gynecology Center – Lloyd District
Darci Hansen, MD	OB/GYN Physician	Lloyd District	Spanish
Ari M. Heffron, MD	OB/GYN Physician	Oregon City
Katie Himel, CNM	Certified Nurse Midwife	Oregon City
W. Gary Hoffman, MD	OB/GYN Physician	Peterkort South
Reb Huggins, CNM, WHNP	Certified Nurse Midwife	Newberg
Ben W. Johnson, MD	OB/GYN Physician	Peterkort North
David P. Johnson, MD	OB/GYN Physician	Newberg
Lisa K. Johnson, MD, FACOG	OB/GYN Physician	Lloyd District Northwest Gynecology Center – Lloyd District
Anna U. Karlsson, MD	OB/GYN Physician	Peterkort South
Sandy Karp, CNM, MN	Certified Nurse Midwife	Hillsboro Peterkort South
Jaime E. Kean, MD, FACOG	OB/GYN Physician	Lloyd District
Jennifer S. Kelly, MD	OB/GYN Physician	Tualatin
Jessica "Jessie" R. Kerstetter, CNM, MN	Certified Nurse Midwife	Extended Hours Lloyd District	Spanish
Angela M. Kondrat, MD	OB/GYN Physician	Peterkort North
Mary Koski-Vogt, CNM, MSN	Certified Nurse Midwife	Peterkort South	Spanish
Elizabeth "Liz" Labby, CNM, MN	Certified Nurse Midwife	Gateway	Spanish
Sophia M.R. Lannon, MD, MPH	Maternal-Fetal Medicine Specialist	Northwest Perinatal Center West Northwest Perinatal Center East	Spanish Dutch
Marny Lawson, CNM	Certified Nurse Midwife	Oregon City
Stephanie R. Lee, DO	OB/GYN Physician	Oregon City
Jennifer Lin, MD	OB/GYN Physician	Newberg
Jody M. Lindwall, CNM, MSN	Certified Nurse Midwife	Peterkort South	Spanish
Lauren S. MacKenzie, CNM, MSN	Certified Nurse Midwife	Gateway
Bo Malmin, MD	OB/GYN Physician	Gresham Happy Valley
Regis McDonald, CNM, MS	Certified Nurse Midwife	Oregon City
Michelle Monnie, MD	OB/GYN Physician	Peterkort South	Spanish
Nikki B. Morris, CNM, MS	Certified Nurse Midwife	Gateway
Laura Morrison, MD, MPH	OB/GYN Physician	Peterkort South
Eryn Munks, MD	OB/GYN Physician	Tualatin
Alyxandra O’Brien, MD	OB/GYN Physician	Gateway Gresham
Drea C. Olmstead, MD	OB/GYN Physician	Tualatin
Shauna K. O’Neal, CNM, FNP-C, MSN	Certified Nurse Midwife	Tualatin
Lisa C. Pew, MD	OB/GYN Physician	Tualatin
Paul D. Pickering, MD	OB/GYN Physician	Hillsboro	Spanish
S.J. "Chip" Prescott, MD	OB/GYN Physician	Gateway Happy Valley Lloyd District	Spanish
Michele T. Quinn, MD, MHSc, MS	OB/GYN Physician	Oregon City
Anna Raffaelli, CNM, MN	Certified Nurse Midwife	Tualatin
Kate Robinson, CNM	Certified Nurse Midwife	Oregon City
Yvette Rodriguez, CNM, MSN	Certified Nurse Midwife	Hillsboro Peterkort South	Spanish
Coco Rudy, CNM, MN	Certified Nurse Midwife	Tualatin
Megan Sapp (formerly Madsen), CNM, FNP-BC, MSN	Certified Nurse Midwife	Gateway Lloyd District
Ashlen Saulson, MD	OB/GYN Physician	Newberg
Carolyn W. Siegele, MD	OB/GYN Physician	Newberg
Claire Steen, MD	OB/GYN Physician	Gateway Gresham
James E. Stempel, MD, FACOG	OB/GYN Physician	Lloyd District Northwest Gynecology Center – Lloyd District
Marguerite R. Stewart, MD	OB/GYN Physician	Tualatin
Timothy W. Stewart, MD	OB/GYN Physician	Hillsboro
Carol G. Stull, MD	OB/GYN Physician	Peterkort South
Ashlie A. Tronnes, MD	Maternal-Fetal Medicine Specialist	Northwest Perinatal Center West Northwest Perinatal Center East	Spanish
Simone L. van Swam, MD	OB/GYN Physician	Peterkort South	Spanish Swedish
Brandi Vasquez, MD, PhD	OB/GYN Physician	Oregon City
Damon A. Warhus, MD	OB/GYN Physician	Peterkort South
Molly F. Weeber, CNM, MS	Certified Nurse Midwife	Peterkort South
Sally J. Wentross, MD	OB/GYN Physician	Peterkort North	Spanish
Katherine "Katie" Weyer, MD	OB/GYN Physician	Oregon City

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Obstetric Care Providers

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News & Updates

OB/GYN Dr. Robert Dyson retires after 37 years in Portland

Epic arrives at WHA on May 14th, 2018.

WHA supports Oregon Ballot Measure 101

WHA 2017 Holiday Cookbook

Meet the team: Happy Valley and Gresham Station

WHA’s Midwifery Birth Center Achieves Accreditation

Nine Healthy Portland Babies Welcomed at Women’s Healthcare Associates’ New Midwifery Birth Center