Our Nurse Practitioners and Certified Nurse Midwives


A nurse practitioner is a nurse with a graduate degree in advanced practice nursing, able to perform a broad range of patient care services typically associated with doctors, including:

  • Performing a physical examination
  • Ordering laboratory tests, radiology exams and procedures
  • Diagnosing, treating and managing diseases
  • Writing prescriptions for medications
  • Coordinating referrals for patients to see specialists
  • Performing certain invasive procedures

Both certified nurse-midwives and women's health nurse practitioners are APRNs who specialize in treating women.

Certified nurse-midwives specialize in helping people prepare for pregnancy, through pregnancy, delivery and after childbirth. Women's health nurse practitioners care for women regardless of their pregnancy status, though they also provide care during pregnancy or after birth.  Both provide Women's Wellness exams and treat gynecological concerns.  

Both bring valuable specialized insight and knowledge to WHCCH and principled patient care to our OB/GYN patients.


Griffin Bennett, DNP, APRN, CNM

Griffin began her practice with WHCCH in Novermber 2023.  Prior to joining our staff she has worked with our physicians for several years as a Labor and Delivery Registered Nurse at Memorial Hermann Memorial City Hospital.   

Griffin is an energetic and compassionate Certified Nurse Midwife with a focus on holistic care and promoting patient well-being and autonomy of women during childbearing process and throughout the lifespan.

She received her Doctorate of Nursing Practice Nurse-Midwifery from Baylor University in 2022 and her BSN from Sam Houston State University in 2017.    


Gabriela Valladares, APRN, MSN, CNM, RNC-OB

Gabby joined the staff of WHCCH in October 2023.


Prior to joining our staff she worked for several years as a Labor and Delivery Registered Nurse in our Methodist West location hospital. She received her Masters of Science in Nursing Midwifery in 2022 and her BSN from Texas Women's University in 2010.      

Gabby is a bilingual (English & Spanish), empathetic, energetic nurse-midwife excited to join a practice that values holistic care and shared decision-making.


Jacklyn Chestnut, APRN, MSN, WHNP-BC  

Jacklyn's first name is Adesuwa, but she is known by her middle name Jacklyn.  She brings labor and delivery experience, leadership abilities, and strong interpersonal skills to this role that allow her to meet varying needs and to adapt quickly. 

Jacklyn started her nursing career as a labor and delivery nurse working for several years at Memorial Hermann Memorial City where she had the opportunity to work closely with physicians and with midwives. She decided to become a women’s health nurse practitioner because she is passionate about helping women and loves to care for women in all aspects of care, not just labor and delivery. Jacklyn graduated from Kent State University in 2022 with her Masters of Science in Nursing and is Board Certified as a Women's Health Nurse Practitioner.   She received her BSN in 2010 from HBU.

Jackie states, "My clinical experiences have provided me with a vast variety of knowledge and learning experience. From treating women with sexually transmitted infections, to performing well women exams and administering hormone therapy. I love my role as a women’s health nurse practitioner. I am efficient, motivated, a team player, and a quick learner. I have a passion for educating teenage girls and women about women’s health as well as preventative health measures."   


Oanh Reeves, APRN, MSN, FNP-BC

Oanh joined the staff of WHCCH in 2022. Prior to joining our staff she worked for several years as a Labor and Delivery Registered Nurse in our Methodist West location hospital.  

She received her Masters of Science in Nursing in 2021 and completed her training as a Nurse Practitioner at that time.    

Her professional interests cover the whole range of gynecology and obstetrics including hormonal imbalance, pre and post-menopausal concerns, fertility as well as routine OB/GYN care. She is committed to paying forward and growing the practice of nursing via teaching other nursing students pursuing advanced nursing practice training.  She is married and has two children. She enjoys family and photography.  She is also bilingual (English & Vietnamese). 




Marlene Cornelius, APRN, MSN, FNP-C

Joined WHCCH in 2013

Marlene received her Master’s of Science in Nursing from the University of Texas Medical Branch in Galveston, Texas in June 2012. She is board-certified by the American Association of Nurse Practitioners as a Family Nurse Practitioner and is licensed by the state of Texas. Her training includes over 780 clinical hours with emphasis on pediatrics, acute & chronic care and women’s health. After obtaining her family nurse practitioner license, she was employed by a private OB-GYN office in Houston, Texas.

Marlene has over 14 additional years of nursing experience in Women’s Health specializing in labor & delivery. Her professional interests include obstetrical care, women’s health & wellness, adolescent healthcare and the management of common healthcare issues.

Marlene is married and has four children. Besides spending time with her family, she enjoys running, swimming, reading and teaching Junior Achievement at local Katy ISD schools.

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