Meet our Family Medicine Residents



St. Tammany Health System | Ochsner Health

Meet our Residents

A look at the Family Medical Residency Residents:

 

Family Medical Residency Residents

Our medical residents are committed to upholding the highest standards of care by providing exceptional family medicine services to our community. They undergo an intensive and comprehensive residency program, which includes specialized training and one-on-one mentorship from tenured attending physicians. 


This rigorous program equips our residents with the knowledge, skill and experience necessary to effectively address the diverse healthcare needs of our patients, ensuring that they receive quality care and support.





Meghan Castillo, DO

Meghan Castillo, DO

 

Dr. Meghan Castillo graduated from Lincoln Memorial University DeBusk College of Osteopathic Medicine in Harrogate, Tennessee. She is passionate about women's health and helping women fully understand their health and hormones. Dr. Castillo is excited to incorporate lifestyle medicine into the way she takes care of all her patients. She is a member of ACLM, AAFP, and LAFP. In her free time, she loves to explore new restaurants with her husband. After a day at work, she enjoys reading and crocheting items for her home and family.



Madison Lambert Dronet, DO

Madison Lambert Dronet, DO

 

Dr. Madison Dronet is originally from Lafayette, Louisiana, and is an alumnus of UL Ragin' Cajun. She completed her medical education at the Edward Via College of Osteopathic Medicine in Monroe, LA, as part of the inaugural class of 2024. Her medical interests include women's health, nutrition, osteopathic manual therapy (OMT), and lifestyle medicine. She is dedicated to a holistic, trauma-informed approach to care and acknowledges the impact of social determinants of health on her patients. In her free time, she enjoys practicing yoga, gardening, playing music, and taking care of her dog. She has graduated from the American Osteopathic Association (AOA) Leadership Academy and is a member of AAFP, LAFP, LSMS, ACLM, LOMA, OPAC and AAO.



Mary Payton Grimmet, DO

Mary Payton Grimmett, DO

 

Dr. Mary Payton Grimmett received her medical degree from William Carey College of Osteopathic Medicine in Hattiesburg, Mississippi. While she enjoys all aspects of family medicine, her passion lies in geriatrics, palliative care, nutrition, and lifestyle medicine. She is a member of several professional organizations including ACLM, AAFP, LAFP, American Osteopathic Association (AOA), AMA, ACOFP, AGS and AAHPM. Outside of medicine, she enjoys cooking for friends or reading a thriller or mystery novel.



Ashlin Hinojosa, MD

Ashlin Hinojosa, MD

 

Dr. Ashlin Hinojosa earned her medical degree from LSU School of Medicine in New Orleans, Louisiana. Her main interests in family medicine include critical care, emergency medicine, and lifestyle medicine. To advance her professional goals, she is a member of ACLM, LSMS, AAFP, LAFP, AMA, Southern Medical Association and American College of Surgeons. In her personal time, she enjoys taking evening strolls with her husband, trying out new restaurants, spending time with her long-haired dachshund, Rookie and golfing.



Mohammed Hussein, MD

Mohamed Hussein, MD

 

Dr. Mohamed Hussein earned his medical degree from Cairo University School of Medicine. He chose Family Medicine because of its focus on providing comprehensive and continuous care for patients of all ages, as well as the opportunity to develop long-term relationships with families. His particular area of interest within his broader family practice is sleep medicine, as he recognizes its crucial role in overall health and well-being. Dr. Hussein is an active member of AAFP, LAFP, ATA and ACLM, showing his dedication to staying updated with the latest developments in primary care. Outside of medicine, he enjoys cooking, woodworking, and home improvement projects.



Marlie Giardina Welch, DO

Marlie Giardina Welch, DO

 

Dr. Marlie Giardina Welch hails from the rural town of Amite, Louisiana. She attended medical school at the Edward Via College of Osteopathic Medicine in Monroe, LA, and is a member of the inaugural class of 2024. Dr. Welch finds fulfillment in the variety and diversity of work within family medicine and takes pleasure in developing personal relationships with patients and colleagues. As a Family Medicine physician, she looks forward to addressing not only the medical needs of her community but also to building strong, lasting relationships there. She is a member of AAFP, LAFP, ACLM, AOA, ACOFP and LOMA. Her hobbies include cooking, baking, exercising, and attending farmer’s markets to support small businesses.


We don’t want to brag …

(But we’re going to anyway)

 

St. Tammany Health System has earned distinction at local, regional and national levels for quality, leadership, employee satisfaction and patient satisfaction. Click here for a full survey of our awards and recognitions.


New Orleans Business - Best Places to Work 2023U.S. News and World Report -- Best Regional Hospital Women’s Choice Awards, America’s 100 Best Hospitals for Patient Experience Leapfrog Hospital Safety ScoreLeapfrog Top Teaching Hospital