Our Nurse Practitioners

All Women’s OB/GYN has three nurse practitioners who work in collaboration with Dr. Aguayo.  Our nurse practitioners have completed both a Bachelor’s degree and a Master’s degree and have advanced clinical training.


Megan Allan, MSN, CRNP

Megan has lived in Huntsville all of her life and has been with Dr. Aguayo since 2009. She earned her Bachelor’s of Science in Nursing degree from the University of Alabama in Huntsville. She received both academic and athletic scholarships and while completing her undergraduate degree, she competed on the cross country and track teams. After attaining her BSN at UAHuntsville she continued on to earn her Master’s of Science in Nursing. Megan is certified by the American Academy of Nurse Practitioners as well as licensed with the Alabama Board of Nursing. As a nurse practitioner Megan performs many aspects of patient care including annual exams and obstetric care. She has a special interest in preventative healthcare along with family planning, contraception, and STD prevention. She enjoys working with women in all stages of life.

Megan is married and has five daughters, Izzie, Nora, Audrey, Amelia, and Vivian. In her free time she enjoys being outdoors, running, and traveling.


Beth Teubert, MSN, CRNP

Beth has been a women’s health nurse practitioner for 20 years. She has been in the Huntsville area most of that time except for a short period living in Wisconsin due to her husband’s job. She specializes in birth control counseling, annual routine exams, and obstetrical care as well as numerous other issues in women’s health. She is an active member in the North Alabama Nurse Practitioner Association as well as the National Association of Nurse Practitioner’s in Women’s Heath.

She is married and has one son, Jackson. She loves traveling, reading, and being with family and friends.

Arlene Williams, MSN, CRNP

Arlene has been a women’s health nurse practitioner for over 25 years. She has experience in labor and delivery, childbirth education, clinic management and as a preceptor where she taught and supervised medical students. She is certified by the National Certification Corporation and received her Bachelor’s in Nursing from UAH and her Master’s from UAB. She is an active member of the Nurse Practitioner’s in Women’s Health (NPWH) as well as the North Alabama Nurse Practitioner Association (NANPA).

Arlene is married with three children and three grandchildren. In her spare time she enjoys reading, traveling, listening to music, and spending time with her grandchildren.