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Summit OB/GYN’s Providers in Gillette, WY

Angela L. Biggs, MD, FACOG

Dr. Angela Biggs is board-certified in obstetrics and gynecology. She grew up in Worland, WY and then attended the University of Wyoming. There, she met her husband, Dr. Rodney Biggs. Together, they attended Creighton Medical School in Omaha, NE. Subsequently, she completed her OB/GYN residency in Grand Rapids, MI (a Michigan State-affiliated program).

She practiced for one year in Michigan and instructed residents as an associate professor of OB/GYN. The couple moved to Gillette in 2005, where they both began practicing full time. In 2014, Dr. Biggs resumed teaching, hosting a third-year clerkship site for the University of Washington.

Dr. Biggs and her husband have four children whom they are proud to be raising in Gillette. Her favorite part of practicing OB/GYN is the people!


Board-Certified: American Board of Obstetrics and Gynecology
Fellow: American College of Obstetricians and Gynecologists
Academic Appointment: Clinical Site Director OB/GYN Clerkship, University of Washington, Seattle, WA
Residency: Obstetrics and Gynecology, Grand Rapids Medical Education & Research Center, Grand Rapids, MI
MD: Creighton University School of Medicine, Omaha, NE
Member: North American Menopause Society, Society of Laparoscopic Surgeons, American Institute of Ultrasound in Medicine, American Medical Association, Wyoming Medical Society

Amber R. Cohn, MD, FACOG

Dr. Amber Cohn is board-certified in obstetrics and gynecology. She attended medical school at Oregon Health Sciences University in Portland, OR and completed her residency at the University of Nebraska Medical Center in Omaha, NE. She is a native of Gillette, WY. She has had busy OB/GYN practices in South Dakota, Nebraska and Wyoming. Dr. Cohn manages low- and high-risk pregnancies, is trained in advanced gynecologic laparoscopy, and sees patients for gynecologic issues ranging from adolescence to menopause — as well as for annual exams.

Dr. Cohn met her husband in Omaha during her residency training. They have three children, and they love traveling and doing outdoor activities as a family.


Board-Certified: American Board of Obstetrics and Gynecology
Fellow: American College of Obstetricians and Gynecologists
Academic Appointment: University of Washington, Seattle, WA
Residency: Obstetrics and Gynecology, University of Nebraska Medical Center, Omaha, NE
MD: Oregon Health Sciences University, Portland, OR
Member: American Association of Gynecologic Laparoscopists, Wyoming Medical Society

Jennifer Larson, MSN, CNM

Jennifer Larson is a certified nurse midwife and Gillette native with more than a decade of nursing experience. After earning her associate’s degree in nursing at Northeastern Wyoming Community College in Gillette and becoming a registered nurse, she worked for 13 years as a labor nurse at Campbell County Health.

While working as a labor RN, Jennifer realized she had a passion not merely for caring for women in general but for pregnant women in particular. She chose to become a nurse midwife in order to be able to help and support women through two of their most important life events: pregnancy and childbirth.

Jennifer earned her master’s degree in nursing from Frontier Nursing University and her certificate of nurse midwifery from the American Midwifery Certification Board.


Certified Nurse Midwife: American Midwifery Certification Board
MSN: Master of Science in Nursing, Certificate of Nurse Midwifery, Frontier Nursing University, Hyden, KY
Academic Appointment: Frontier Nursing University, Hyden, KY
ASN: Associate of Science in Nursing, Northeastern Wyoming Community College–Gillette Campus, Gillette, WY
Member: American College of Nurse Midwives

For more information about our physicians, or to schedule an appointment, call 307-682-6263. You can also schedule an appointment using the easy online form at the top of this page.