

OUR PROVIDERS

Donald S. Gervais, Jr., M.D., FAAN
Board Certified Neurologist
Dr. Gervais joined Southeast Neuroscience Center (SNC) in 2000. He became board certified the same year with the American Academy of Psychiatry & Neurology and specializes in general neurology with subspecialties in EMG and Botox Injections.
He was raised in New Orleans, Louisiana where he attended Holy Cross High School and continued on to Tulane University for his double degrees: a Bachelor of Science in Biological Chemistry (summa cum laude) and a Bachelor of Arts in French (cum laude).
He entered Louisiana State University Medical School from which he received his Doctor of Medicine degree in 1995 and was elected to the prestigious medical honor society, AOA.
Dr. Gervais’ postgraduate training, at Louisiana State University Medical Center and Hospital Bicetre in Paris, included an internship in medicine, a residency in neurology, and a fellowship in neurophysiology and neuromuscular disease.
He has been active in various clinical trials for the past few years and was invited by Allergan Inc., maker of Botox, to help develop new teaching tools for doctors around the United States.
He serves as Medical Director of the Research and Development division of Southeast Neuroscience Center. He and his physician/wife reside in Houma.
Edward S. Haight, M.D.
Board Certified Neurologist
Dr. Haight was born in Decatur, Georgia but was raised in Baton Rouge, Louisiana. He attended Baton Rouge High School and Louisiana State University where he earned a degree in Zoology.
He held a position for two years as a Biologist with the Louisiana Department of Wildlife and Fisheries until he entered LSU Medical School.
Dr. Haight received his Doctor of Medicine in 1996. Following his residency in Neurology in which he earned the distinction of “chief resident” and a fellowship in Clinical Neurophysiology, both at LSU Medical Center in New Orleans, Dr. Haight joined the team of physicians at SNC in 2001. He received certification by the American Academy of Psychiatry and Neurology in 2003.
Dr. Haight has participated in numerous clinical trials for the past few years. He serves as Medical Director of Southeast Neuroscience Center’s Infusion Center and is the primary physician in our Thibodaux office.
He is married to Maria Braud, M.D., a Psychiatrist, and resides in Thibodaux, LA.


Lisa S. Thibodeaux, M.D.
Board Certified Neurologist
Dr. Thibodeaux is a native of New Orleans, Louisiana and resides in Metairie with her husband, Arthur Thibodeaux, Jr. and their children.
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She completed her higher educational training, from her undergraduate degree throughout her medical training, within the LSU system.
In December of 1997 she graduated Summa Cum Laude from LSU with a Bachelor of Science in Microbiology. She entered LSU Medical School in 1999, earned her medical degree in 2003, and has remained with the LSU Health Science System for her post-graduate training in Neurology.
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During her residency, she attained the distinction as “chief resident” from 2006-2007.
Dr. Thibodeaux has recently completed her fellowship at the LSU Health Sciences Center on Neuromuscular Disorders and Clinical Neurophysiology in EMG.
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She currently holds memberships in the American Academy of Neurology and the American Medical Association.
She became board certified by the American Board of Psychiatry and Neurology in 2009.
She joined the Neurology staff of Southeast Neuroscience Center on August 18, 2008.
Wendy S. Gervais, M.D.
Board Certified Radiologist, Board Certified Pediatrics
Dr Wendy Suddeth Gervais is a native of New Orleans. She attended St Mary’s Dominican High School and the University of New Orleans. She attended LSU school of medicine in New Orleans, receiving her MD in 1997. She completed a residency in general pediatrics at LSU / Children’s Hospital New Orleans.
She served as chief resident of Children’s Hospital from 2000 to 2001. She then completed a residency in diagnostic radiology at Ochsner. She is currently board certified in both diagnostic radiology and general pediatrics.
She’s been in practice since 2006.


Gavin Triche, PA-C
Physician's Assistant
Gavin is a native of Houma, Louisiana. He graduated from Vandebilt Catholic High School before continuing his education at Nicholls State University, where he earned a Bachelor of Science in Biology with minors in Chemistry and Business Administration. Building on this strong academic foundation, he went on to complete his Master of Physician Assistant Studies in 2016 at the Louisiana State University Health Sciences Center in New Orleans.
Since earning his degree, Gavin has dedicated his career to the field of neurology, bringing 10 years of clinical experience to his role at Southeast Neuroscience Center. There, he has worked closely with patients facing a wide range of neurologic conditions, drawing on both his clinical expertise and his commitment to personalized, attentive care. Throughout his career, he has remained an active member of the American Academy of Physician Assistants, staying current with advancements in his field and upholding the highest standards of professional practice.
As a physician assistant, Gavin believes strongly in a team-based approach to patient care, collaborating closely with physicians and other healthcare professionals to ensure comprehensive treatment plans tailored to each patient’s needs. He is deeply committed to providing high-quality, compassionate care to every patient he encounters, and takes pride in serving the community where he was raised.
Brittany Mae Rowell, MPAS, PA-C
Physician Assistant
Brittany Mae Rowell, MPAS, PA-C, is a board-certified Physician Assistant and a New Orleans native who is proud to serve patients throughout Louisiana. She earned dual bachelor's degrees in Biology and Anthropology from Hobart and William Smith Colleges in upstate New York before returning home to complete her Master of Physician Assistant Studies at Louisiana State University Health Sciences Center Shreveport.
Brittany chose to begin her career in outpatient neurology because of her deep fascination with the complexity of the brain and nervous system and the vital role they play in every aspect of health. She believes there is both a science and an art to caring for patients with neurologic conditions and is passionate about providing compassionate, evidence-based care tailored to each individual's needs.
As a strong advocate for rural and underserved communities, Brittany is committed to improving access to quality healthcare, emphasizing preventive medicine, and building meaningful, trusting relationships with her patients. She believes every patient deserves to be heard and strives to create an environment where patients feel comfortable asking questions and actively participating in their care. Inspired by a lifelong dream of practicing medicine, Brittany finds great fulfillment in helping patients navigate their healthcare journey with empathy, respect, and personalized care.
Outside of the clinic, she enjoys hiking, camping, fishing, traveling, cooking, and distance running, having completed several half marathons. She also loves spending time with her rescued German Shepherd–Border Collie mix, Oliver, who happily joins her on many of her outdoor adventures.


Amanda Charpentier, MSN, APRN, FNP-C
Nurse Practitioner
Amanda Charpentier, MSN, APRN, FNP-C, is a dedicated Nurse Practitioner with more than 20 years of experience in patient care, including 15 years in emergency nursing and 5 years specializing in neurology. She is passionate about providing compassionate, patient-centered care and helping individuals navigate complex neurological conditions with confidence and understanding.
Amanda earned her nursing education from Nicholls State University and has built a diverse clinical background that combines the fast-paced demands of emergency medicine with the specialized knowledge required in neurology. Her extensive experience allows her to deliver comprehensive care while focusing on each patient's unique needs and goals.
Amanda believes that effective healthcare begins with listening, building trust, and empowering patients to take an active role in their treatment. She is committed to staying current with advances in neurological care and strives to provide the highest quality outcomes for the patients and families she serves.
Committed to patient-centered care, Amanda strives to develop lasting relationships with her patients and work alongside healthcare teams to deliver compassionate, comprehensive care at every stage of treatment.
Savannah Pontiff, MSN, APRN, FNP-C
Nurse Practitioner
Savannah is a Family Nurse Practitioner. A native of Morgan City, Louisiana, she graduated from Morgan City High School before pursuing her nursing education and professional career.
She earned her Associate of Science in Nursing from Fletcher Technical Community College in 2016, followed by a Bachelor of Science in Nursing from the University of Louisiana at Lafayette in 2021. In 2024, she earned her Master of Science in Nursing with a specialization in Family Medicine from Herzing University.
Throughout her nursing career, Savannah has gained diverse clinical experience in high-acuity and procedural settings. She worked as a Registered Nurse in the Emergency Department, where she obtained trauma certification and cared for patients with a wide range of acute medical conditions and injuries. She also has experience in perioperative and perianesthesia nursing, developing expertise in surgical patient care.
Savannah's dedication to academic excellence and professional advancement is reflected in her induction into the Sigma Theta Tau International Honor Society of Nursing. She is also an active member of the American Association of Nurse Practitioners and the Louisiana Association of Nurse Practitioners.
As a healthcare provider, Savannah is committed to building meaningful relationships with her patients and delivering personalized care that promotes health, wellness, and improved quality of life.


Jeanette Naquin
Nurse Practitioner
Jeanette Naquin has been a Nurse Practitioner since 2012, joining Southeast Neuroscience Center shortly after becoming a Nurse Practitioner. She earned her Bachelor of Science in Nursing from Nicholls State University, where she developed a strong clinical foundation and gained experience across a variety of nursing specialties. She later pursued her Master of Science in Nursing, specializing as a Family Nurse Practitioner, from Louisiana State University (LSU).
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Throughout her career, Jeanette has developed extensive clinical knowledge and experience in the evaluation and management of a wide range of neurological conditions. She is also highly experienced in the use of Botox therapy for the treatment of chronic migraines.
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She is a member of the American Academy of Neurology, as well as several professional nursing organizations.