Selina Tristan APRN, FNP-C is a graduate of Texas A & M Corpus Christi. She has advanced training from the TAMUCC Nurse Practitioner program and is a Board Certified Family Nurse Practitioner. She is also certified with the Oncology Nursing Certification Corporation as a Certified Breast Care Nurse. Her clinical interests include women’s health.

Maryann is originally from Seattle Washington, where she where she grew up, until moving to Texas in 2010. She continues to reside in the Houston area with her husband and their two dogs.

Maryann attended Frontier Nursing University in Hyden Kentucky, after beginning her nursing education at Lee Community College in Baytown, Texas. She graduated with her Associate of Science in Nursing in 2008 and accepted a position in ICU at Methodist Hospital. During her tenure as a bedside RN, Maryann specialized in ICU, Labor and Delivery, Postpartum, NICU and Pediatrics. It was during this time that she returned to school to complete her postgraduate education. In 2018 She graduated with honors with her Master of Science in Family Nursing and obtained board certification as a Family Nurse Practitioner. She is passionate about providing the best healthcare and education to her local communities, with exceptional commitment to women's health and prenatal care. In her free time, Maryann enjoys spending time with her husband and friends, traveling and reading.

Dr. Adum grew up in Nigeria, West Africa, where she attended medical school. After completing her medical education, she moved to England in 2003 for postgraduate studies in medicine and specialty training in Obstetrics and Gynecology. She moved to the United States in 2009 and completed her residency in Obstetrics and Gynecology in 2013 at St Peters/Drexel University Hospital in New Jersey. After residency she moved to Williston, North Dakota, where she practiced for over 5 years providing obstetrics and gynecology services to the women in this underserved area.

Being a new mother with a strong desire to be closer to her family during the formative years of her daughter, she moved to Texas.

Dr. Adum is excited about joining the Angleton Women Healthcare team as she finds this a continuation of her catering to the needs of a community that provides her great opportunities to impact positively in the lives of women and their families. She truly enjoys all aspects of her profession and appreciates the trust that is given to her by her patients to take care their health concerns; be it a well women visit, caring for low or high pregnancies and delivering babies or providing both non-surgical or surgical procedures for gynecological problems or just lending an empathic ear to her patients at those times it is so much needed in this profession. The diverse and challenging profession keeps her driven, grounded and committed to providing the best care possible.

In her spare time, she enjoys spending time with her family, cooking, eating good food (a foodie), reading, watching great plays/shows, hiking and traveling.

Dr. Crystal Alvarez is an Assistant Professor in the department of Obstetrics and Gynecology.  She is committed to addressing all aspects of women's health with special interests in family planning, menstrual disorders, high-risk obstetrics, and minimally invasive surgery.

Dr. Alvarez graduated Cum Laude from Baylor University in 2006 with her Bachelor's degree in Biology. She went on to receive her medical degree from the University of Texas Health Science Center at San Antonio in 2011 and did her residency training in Obstetrics and Gynecology at The University of Texas Medical Branch where she received multiple resident teaching awards and served as Administrative Chief Resident her final year.

Dr. Alvarez is married and has one young daughter. She is currently practicing at the Clear Lake location and is taking new patients.

Monica E. Hernandez RN, FNP-BC is a graduate of University of Texas Pan American. She has advanced training from the UTPA Nurse Practitioner program and is a Board Certified Family Nurse Practitioner. Her clinical interests include women's health.

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Dr. D. Claudia Akinsipe DNP, APRN, WHNP-BC is a graduate of University of South Alabama. She has advanced training including being a Board Certified Women's Health Nurse Practitioner and a Doctor of Nursing Practice. Her clinical interests include Women's Health, Obstetrics and gynecology.

Dr. Karing is a native Texan, growing up in the Dallas/Fort Worth area before moving to Arkansas to obtain her undergraduate degree. She graduated Summa Cum Laude from the University of Arkansas and obtained a Bachelor’s Degree in biology in 2015. She went on to receive her medical degree from the University of Texas Medical Branch in 2019 and completed her residency at the University of Texas Southwestern Medical Center in 2023.

She is very excited to be re-joining the University of Texas Medical Branch community and currently practicing at the Clear Lake location. She is committed to addressing all aspects of women's health with special interests in adolescent health, family planning, gynecologic surgery and high risk obstetrics.

Outside of work, Dr. Karing enjoys trying new restaurants, running, hiking, traveling, going to concerts, or reading a good book. She is the proud parent of one fur baby.

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