WilliamThomasGregoryMD

Obstetrics & Gynecology • Portland, OR

Urogynecology & Pelvic Reconstructive Surgery

Physician

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Office
3181 Sw Sam Jackson Park Rd
Mail Code L466
Portland, OR 97239
Phone+1 503-418-4562
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Summary

Dr. William Gregory, MD is an obstetrician/gynecologist in Portland, Oregon. He is currently licensed to practice medicine in Oregon. He is affiliated with OHSU Hospital and Providence St. Vincent Medical Center.

Education & Training

Oregon Health & Science University HospitalFellowship, Female Pelvic Medicine And Reconstructive Surgery (Obgyn), 1998 - 2001
Oregon Health & Science UniversityResidency, Obstetrics and Gynecology, 1994 - 1998
Keck School of Medicine of the University of Southern CaliforniaClass of 1994

Certifications & Licensure

OR State Medical License 1997 - 2025
American Board of Obstetrics and Gynecology Obstetrics & Gynecology
American Board of Obstetrics and Gynecology Female Pelvic Medicine and Reconstructive Surgery

Awards, Honors, & Recognition

CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2011-2013
Fellow (FACOG) American Congress of Obstetricians and Gynecologists

Clinical Trials

Study to Assess Duration of Indwelling Catheter After Sacrocolpopexy Start of enrollment: 2014 Jul 01
Completed
Not Applicable
Recurrent Urinary Tract Infections and Heparin (RUTIH Trial) Start of enrollment: 2017 Nov 28
Recruiting
Phase 1, Phase 2

Publications & Presentations

PubMed

1 citations
Making Decisions in a Consensus-Free Zone: Is Sling for Possible Occult SUI the Urogynecologist's Rorschach Test?
Lauren A Cadish, W Thomas Gregory> ;Urogynecology. 2023 Mar 1
Call to Readiness: The Urogynecologist's Role in Post-Roe America.
W Thomas Gregory, Megan Schimpf, Matthew Barber, Steven Minaglia, Linda Brubaker> ;Urogynecology. 2022 Nov 1
Development and Validation of a Model for Predicting Surgical Site Infection After Pelvic Organ Prolapse Surgery.
David Sheyn, W Thomas Gregory, Oyomoare Osazuwa-Peters, J Eric Jelovsek> ;Urogynecology. 2022 Oct 1
1 citations
Longitudinal urinary microbiome characteristics in women with urgency urinary incontinence undergoing sacral neuromodulation.
Margaret G Mueller, Promi Das, Uduak Andy, Lisa Brennaman, Alexis A Dieter, Denicia Dwarica, Anna C Kirby, Jonathan P Shepherd, W Thomas Gregory, Cindy L Amundsen> ;International Urogynecology Journal. 2023 Feb 1
De Novo Stress Urinary Incontinence After Prolapse Surgery: Have We Answered the Question?
Blake Osmundsen, W Thomas Gregory> ;Urogynecology. 2022 Aug 1
A Randomized Trial of Social Media Versus Search Engine Advertising to Increase Awareness of Treatments for Female Stress Urinary Incontinence.
Alaina T Bennett, Emily R Boniface, Alaina Spiers, W Thomas Gregory, Sara B Cichowski> ;Female Pelvic Medicine & Reconstructive Surgery. 2022 May 1
3 citations
Impact of pushing timing on occult injury of levator ani: secondary analysis of a randomized trial.
W Thomas Gregory, Alison G Cahill, Candice Woolfolk, Jerry L Lowder, Aaron B Caughey, Sindhu K Srinivas, Alan T N Tita, Methodius G Tuuli, Holly E Richter> ;American Journal of Obstetrics and Gynecology. 2022 May 1
9 citations
Network-Based Differences in the Vaginal and Bladder Microbial Communities Between Women With and Without Urgency Urinary Incontinence.
Rahel Nardos, Eric T Leung, Erin M Dahl, Sean Davin, Mark Asquith, W Thomas Gregory, Lisa Karstens> ;Frontiers in Cellular and Infection Microbiology. 2022 Jan 1
Levator-Urethra Gap: Normative Data in a Nonpregnant Nulliparous Population.
W. Thomas Gregory, Meagan S. Cramer, Amanda Holland, Emily J. Boniface> ;Female Pelvic Medicine & Reconstructive Surgery. 2021 Dec 1
16 citations
Species-Level Resolution of Female Bladder Microbiota from 16S rRNA Amplicon Sequencing.
Carter Hoffman, Nazema Y. Siddiqui, Ian Fields, W. Thomas Gregory, Holly Simon, Michael Mooney, Alan J. Wolfe, Lisa Karstens> ;Msystems. 2021 Sep 14
2 citations
Out of "Site": Low Utilization of the American Urogynecologic Society's Online Patient Resources in an Observational Study Using Website Analytics.
Alaina Town Bennett, W. Thomas Gregory, Emily R. Boniface, Sara B. Cichowski> ;Female Pelvic Medicine & Reconstructive Surgery. 2021 Sep 1
1 citations
Baseline Characteristics, Evaluation, and Management of Women With Complaints of Recurrent Urinary Tract Infections.
Alexis A. Dieter, Margaret G. Mueller, Uduak U. Andy, Anna C Kirby, Denicia S. Dwarica, Cindy L. Amundsen, W. Thomas Gregory, Shivani Desai, Laura Clayton, Natalie Squ...> ;Female Pelvic Medicine & Reconstructive Surgery. 2021 May 1
1 citations
Changes in Morphology of the Urethral Rhabdosphincter Postpartum.
Meagan S. Cramer, Emily R. Boniface, Amanda Holland, W. Thomas Gregory> ;Female Pelvic Medicine & Reconstructive Surgery. 2021 Mar 1
3 citations
A Blueprint for Creating Mentored, Collaborative Networks for Early-Career Physician-Scientists.
Margaret G. Mueller, Uduak U. Andy, Lisa M. Brennaman, Alexis A. Dieter, Anna C Kirby, Jonathan P. Shepherd, W. Thomas Gregory, Cindy L. Amundsen> ;Female Pelvic Medicine & Reconstructive Surgery. 2021 Jan 1
1 citations
Trust in Peer Review.
Matthew D. Barber, W. Thomas Gregory> ;Female Pelvic Medicine & Reconstructive Surgery. 2020 Oct 1
Surgical Management of Pelvic Organ Prolapse in Ethiopian Women: What Is the Preferred Approach?
Kimberly A. Kenne, Melaku Abreha, Kyle D. Hart, W. Thomas Gregory, Rahel Nardos> ;Female Pelvic Medicine & Reconstructive Surgery. 2020 Feb 1
5 citations
Capacity building in female pelvic medicine and reconstructive surgery: Global Health Partnership beyond fistula care in Ethiopia
Rahel Nardos, Fekade Ayenachew, Renate Roentgen, Melaku Abreha, Laura E. Jacobson, Amanuel Haile, Yibrah Berhe, Karen P. Gold, W. Thomas Gregory, Theresa Spitznagle, C...> ;International Urogynecology Journal. 2020 Jan 3
126 citations
Controlling for Contaminants in Low-Biomass 16S rRNA Gene Sequencing Experiments.
Lisa Karstens, Mark Asquith, Sean Davin, Damien A. Fair, W. Thomas Gregory, Alan J. Wolfe, Jonathan Braun, Shannon K. McWeeney> ;Msystems. 2019 Jun 4
69 citations
Community profiling of the urinary microbiota: considerations for low-biomass samples
Lisa Karstens, Mark Asquith, Vincent Caruso, James T. Rosenbaum, Damien A. Fair, Jonathan Braun, W. Thomas Gregory, Rahel Nardos, Shannon K. McWeeney> ;Nature Reviews. Urology. 2018 Dec 1
54 citations
Effect of Immediate vs Delayed Pushing on Rates of Spontaneous Vaginal Delivery Among Nulliparous Women Receiving Neuraxial Analgesia: A Randomized Clinical Trial.
Alison G. Cahill, Sindhu K. Srinivas, Alan T.N. Tita, Aaron B. Caughey, Holly E. Richter, W. Thomas Gregory, Jingxia Liu, Candice Woolfolk, David L. Weinstein, Amit M....> ;JAMA. 2018 Oct 9
15 citations
American Urogynecologic Society Prolapse Consensus Conference Summary Report
Nazema Y. Siddiqui, W. Thomas Gregory, Victoria L. Handa, John O.L. DeLancey, Holly E. Richter, Pamela Moalli, Matthew D. Barber, Samantha J. Pulliam, Anthony G. Visco...> ;Female Pelvic Medicine & Reconstructive Surgery. 2018 Jul 1
8 citations
Association of Pharmacologic Treatment of Urgency Urinary Incontinence With Sleep Quality and Daytime Sleepiness.
Qurratul A. Warsi, Alison J. Huang, Rachel Hess, Lily A. Arya, Holly E. Richter, Catherine S. Bradley, Rebecca G. Rogers, Deborah L. Myers, Karen C. Johnson, William D...> ;Obstetrics and Gynecology. 2018 Feb 1
71 citations
Two-Year Outcomes of Sacral Neuromodulation Versus OnabotulinumtoxinA for Refractory Urgency Urinary Incontinence: A Randomized Trial.
Cindy L. Amundsen, Yuko M. Komesu, Christopher Chermansky, W. Thomas Gregory, Deborah L. Myers, Emily Faley Honeycutt, Sandip P. Vasavada, John N. Nguyen, Tracey Wilso...> ;European Urology. 2018 Jul 1
21 citations
Refractory Urgency Urinary Incontinence Treatment in Women: Impact of Age on Outcomes and Complications
Yuko M. Komesu, Cindy L. Amundsen, Holly E. Richter, Stephen W. Erickson, Mary F Ackenbom, Uduak U. Andy, Vivian W. Sung, Michael E. Albo, W. Thomas Gregory, Marie Fid...> ;American Journal of Obstetrics and Gynecology. 2018 Jan 1
26 citations
Characteristics Associated with Treatment Response and Satisfaction in Women Undergoing OnabotulinumtoxinA and Sacral Neuromodulation for Refractory Urgency Urinary In...
Holly E. Richter, Cindy L. Amundsen, Stephen W. Erickson, John Eric Jelovsek, Yuko M. Komesu, Christopher Chermansky, Heidi S. Harvie, Michael E. Albo, Deborah L. Myer...> ;The Journal of Urology. 2017 Oct 1
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Professional Memberships

American College of Obstetricians and Gynecologists
Fellow

Hospital Affiliations

Providence St. Vincent Medical CenterPortland, Oregon
OHSU HospitalPortland, Oregon