Physicians

Gustavo A. Rossi, M.D., FACOG FACS

Clinical Associate Professor of Obstetrics & Gynecology Georgetown University

Dr. Rossi is Board Certified by the American Board of Obstetrics and Gynecology and is a Fellow of both the American College of Obstetrics and Gynecologists and the American College of Surgeons.

Dr. Rossi has extensive experience in Obstetrics and Gynecology and General Surgery. His focus is on Minimally Invasive Laparoscopic & DA VINCI ROBOTIC Surgeries. He also has specific training in Vaginal Reconstruction Rejuvenation and Pelvic Organ Prolapse. He performs urogynecology procedures for the treatment of female incontinence and Laparoscopic laser surgeries for the treatment of endometriosis, pelvic pain, fibroids and ovarian cysts.

Dr. Rossi is trained in the treatment of heavy vaginal bleeding with non-surgical treatment using a highly effective procedure ablating the inner lining of the uterus with a high rate of success, therefore avoiding the need for hysterectomy. Dr. Rossi performs a special procedure for female sterilization, Essure, performed in the comfort of our office, without general anesthesia or incisions. He has performed numerous Robotic & Laparoscopic Assisted Hysterectomies and other procedures in his field, as well as more than 5,000 deliveries. Dr. Rossi has a special interest in caring for the special needs of women in the menopausal and postmenopausal stage of their life. The Washingtonian magazine had named him one of the area’s TOP DOCTORS from 1991-2016.

Dr. Rossi is Clinical Associate Professor in the Department of OB/GYN at Georgetown University School of Medicine. He has served as Vice-Chairman at the department of OB/GYN at Virginia Hospital Center and has been involved in teaching students and residents from Georgetown University School of Medicine

Dr. Rossi is married and enjoys gourmet cooking, fishing and traveling. He is also very active in hosting fundraisers for charitable organizations and he volunteers at the Arlington Free Clinic.

Mary Elizabeth Crowther, M.D., PhD, FACOG

Clinical Assistant Professor of Obstetrics & Gynecology Georgetown University

Dr. Crowther attended medical school in Australia , where she earned her MD equivalent (MBBS – Bachelor of Medicine, Bachelor of Surgery). In 1974, she went to London and continued in Obstetrics and Gynecology at Queen Charlotte’s Maternity Hospital and the Chelsea Hospital for Women. She also completed a PhD on the Immunology of Ovarian Cancer, and published numerous articles on her research.

In 1984, Dr. Crowther was appointed Lecturer in Obstetrics and Gynecology at the University of London and St. Bartholomew’s Medical College , where the following year she began a Gynecological Oncology Fellowship. The hospital was a referral center for women with gynecological cancers from all over the south of England . During this time she was made a Member of the Royal College of Obstetricians and Gynecologists (FACOG).

In 1987, Dr. Crowther married, and because her husband was working at a University in Germany , she took a posting there with the British Army as a civilian Obstetrician and Gynecologist, looking after the soldiers’ wives. In 1990, Dr Crowther and her husband had a daughter. Dr. Crowther suspended her practice of medicine some months later so that she could concentrate on raising their child.

Dr. Crowther’s husband, who is American, wished to return to the US , and so she began another residency at Georgetown Hospital in 2001. Her interests include caring for women who have previously suffered a stillbirth or neonatal death, and she has published several articles on the subject. She is also interested in the management of women with abnormal Pap smears, and women with pelvic masses. She strongly believes in the important contribution made by midwives in caring for pregnant and laboring women.

As well as working for Arlington Women’s Center, Dr. Crowther teaches Georgetown OB/GYN residents in their Clinics at Virginia Hospital Center and at the Clarendon Public Health Clinic. During her years in London , her voluntary work included caring for refugees and victims of torture in her capacity as Gynecologist to the Medical Foundation, a branch of Amnesty International. Currently, she volunteers at the Arlington Free Clinic and is a member of the Virginia Hospital Center Medical Brigade that provides free healthcare to the underserved population in Honduras.

Amanda E. Rohn, M.D., FACOG

Dr. Rohn grew up in Cleveland, Ohio and studied computer engineering and German at Case Western Reserve University. After college, she lived and worked in northern Virginia for two years, and met her future husband. She soon realized that she preferred to interact with people instead of computers, and decided to direct her skills toward a career in medicine.

She traveled to Missouri where she graduated from the Washington University School of Medicine in St. Louis, and then to Philadelphia for an OB-GYN residency at the University of Pennsylvania. During residency, she served as administrative Chief Resident and received the Robert A. Rascoe Award for Excellence in Ambulatory Care and the Golden Mitt Award for collaborative practice with midwives. Her research project on the use of checklists to improve the safety of labor induction won the Resident Research Award.

Dr. Rohn was delighted at the opportunity to return to the DC area and to work with the Arlington Women’s Center group, as she has particular interests in minimally invasive surgery and in providing care in collaboration with midwives. She serves on hospital committees for patient safety and quality improvement. Her philosophy emphasizes collaborative decision-making between patients and providers, evidence-based care, and recognition that more medical treatment is not always better.

In her free time, Dr. Rohn enjoys knitting, baking, being outdoors, and spending time with her husband and young daughter in their antique home in DC.

Hector M. Colon, M.D., FACOG

Dr. Hector Colon was born and raised in Puerto Rico. He received his bachelor’s degree in biology from the University of Puerto Rico in 1994 and his medical degree from the Ponce School of Medicine in Ponce, Puerto Rico in 1998. While in medical school, he was honored at “Who’s Who” among students in American Universities and Colleges; he was also an honorable member of the medical honor society Alpha Omega Alpha.

He then completed a four-year residency program in Obstetrics and Gynecology at Albert Einstein Medical Center in Philadelphia, Pennsylvania in 2002. While in residency, he was honored twice with the Louis Gerstley III, MD award for demonstrating excellence in teaching medical students. He has been in private practice with privileges at Potomac Hospital and Mary Washington Hospital since 2002.

His interests include high-risk pregnancy, minimally invasive surgery, hysteroscopy, in-office permanent sterilization, endometrial ablation, and general gynecology.

He is board certified in Obstetrics and Gynecology and is fluent in Spanish.

Lynsey C. Owen, M.D., FACOG

Dr. Lynsey Owen was born in Maryland and went to Muhlenberg College in Allentown, Pennsylvania, where she studied biology and English and captained the college’s Division III women’s lacrosse team. Prior to leaving Muhlenberg, she was honored with a commission by the United States Air Force as a part of the Health Professions Scholarship Program. Dr. Owen then attended Drexel University College of Medicine in Philadelphia. While at Drexel, she received the Departmental Award for Overall Excellence in Obstetrics and Gynecology, the Eva Fernandez Fox Award for Personal Integrity, Stability, Responsibility, and Loyalty to the College of Medicine, and was inducted into Alpha Omega Alpha, the medical honor society.

Dr. Owen moved to Boston to complete her residency in obstetrics and gynecology at Beth Israel Deaconess Medical Center (BIDMC). During her time at BIDMC, she had an academic appointment as a clinical fellow at Harvard Medical School and received multiple teaching and research awards.

After graduating from residency, Dr. Owen transitioned to active duty status in the Air Force and was stationed at Joint Base Andrews in Maryland. During her four years at Andrews, she also performed deliveries and surgical procedures at MedStar Southern Maryland Hospital Center and Fort Belvoir Community Hospital. She is proud of the significant contributions she made to the OB/GYN department through her work on the Perinatal Safety Committee. Dr. Owen is Board Certified by the American Board of Obstetrics and Gynecology and is a Fellow of the American College of Obstetrics and Gynecologists.

While she was very honored to serve in the Air Force, Dr. Owen made the decision that separation from the military would be best for her family at this juncture, and she is very happy to be joining the team at Arlington Women’s Center. Her professional interests include comprehensive obstetric care, adolescent gynecology, and patient safety initiatives. She is a regular contributor to You and Your Family; her articles can be found in the print magazine and online. Outside of work, Dr. Owen enjoys spending time with her husband and young son, playing with her boxer dog, running, and reading for pleasure.

Jessica L. Sommer, D.O.

Dr. Sommer was born and raised in New York State, spending most of her early years in Schenectady, NY. After high school, she went on to attend the Pennsylvania State University where she received a Bachelor’s of Science in General Science with double minors in biology and psychology. After graduation, she worked in the non-profit sector at the AIDS Council of Northeastern NY, and then decided that her desire to care for patients and continue her medical education was overwhelmingly strong. She made the move to Westbury, NY to attend the New York Institute of Technology College of Osteopathic Medicine where she received her Doctorate of Osteopathy. While there, she learned a more holistic approach to treating the patient, using hands on diagnosis and treatment through a system of therapy called Osteopathic Manipulative Medicine (OMM).

Throughout her medical education, Women’s Healthcare and Surgery were strong interests for Dr. Sommer. After graduating in 2007, she moved to Washington D.C. to become an Obstetrics and Gynecology Resident at MedStar Washington Hospital Center/Georgetown University. During her time there she developed her Laparoscopic Surgical skills and became interested in Robotic Surgery using the DaVinci system. She was awarded the Urogynecology Surgical Award at graduation for her interest and skill in Gynecologic Surgery.

She is very excited to join the Physicians and Nurse-Midwives at Arlington Women’s Center! She has previously trained at Virginia Hospital Center and looks forward to remaining a part of their medical community. Dr. Sommer has areas of interest that include Gynecologic Surgery, specifically with the DaVinci Robot, Preventative Healthcare, and High Risk Obstetrics. When not at work, Dr. Sommer enjoys being outdoors, fitness and weight lifting, and spending time with close friends and family.

Back to Our Team