Our Dental Team

Meet Your Dentists in Metairie, LA

The dentists at Louisiana Dental Center in Metairie are dedicated to creating beautiful smiles with comfort and care. Get to know the doctors who will be taking care of you and your family.

Amber Cook, D.D.S.
Dr. Amber Cook is a New Orleans native who recently returned to the area after practicing for many years in Las Vegas, NV. Dr. Cook is a Xavier University of Louisiana alumnus and completed her professional training at LSU School of Dentistry in New Orleans. She enjoys attending festivals, trying new restaurants and spending time with her husband, daughter and their mini schnauzer Nola. Dr. Cook is happy to be home and to give back to her community here in southeast Louisiana.
Steven Cummings, D.D.S.
Dr. Cummings was born and raised in Baton Rouge. He received his bachelor’s degree from Louisiana Tech University and his Doctor of Dental Surgery degree from Louisiana State University School of Dentistry in 2008. Dr. Cummings is the first dentist in his family. He is married and has twins. He enjoys, travelling, swimming, and spending time with friends. He also rides in the Mardi Gras Krewe of Endymion parade.
Jeffrey Dongieux, D.D.S. — Oral Surgeon
Dr. Jeff Dongieux is from New Orleans. He attended Mississippi College on a golf scholarship and received a Bachelor of Science degree. His dental school training was at LSU School of Dentistry. Dr. Dongieux then selected to do his Oral & Maxillofacial Surgery residency at NYU/Bellevue Hospital. He holds state licensure in Louisiana, Florida, Texas and Colorado and a general anesthesia/IV sedation permit in all of those states. Dr. Dongieux has been practicing for 25 years and has performed over 50,000 surgical procedures with anesthesia. On September 11, 2001, Dr. Dongieux was chief resident at Bellevue Hospital in New York City when the World Trade Center terrorist attacks occurred. He helped in the rescue and recovery efforts at Ground Zero that evening and for weeks after. Dr. Dongieux is married and has two boys. In his spare time he enjoys spending time with his family, playing golf and has competed in long range precision shooting series.
Joseph R. Lacoste, Jr., D.D.S.
Dr. Lacoste was born and raised in the New Orleans area. After graduating high school from The New Orleans Academy in 1972, he received his undergraduate degree from the University of New Orleans. He then went on to receive a Doctor of Dental Surgery Degree from the Louisiana State University School of Dentistry in New Orleans in 1980.Dr. Lacoste is a member of the American Dental Association, the Louisiana Dental Association, the New Orleans Dental Association, and the Academy of General Dentistry. He always finds time to be with family and friends, and enjoys fishing and playing music.
Eric M. Macaluso, D.D.S. – Orthodontist
Dr. Eric M. Macaluso is a life-long resident of the New Orleans metropolitan area and a proud alumnus of Jesuit High School and the University of New Orleans. After receiving his doctorate of dental surgery from Louisiana State University School of Dentistry, Dr. Macaluso completed his orthodontic residency at Louisiana State University.
Seaira Miles, D.D.S.
Dr. Seaira Miles is a native to the New Orleans Area. She received her Bachelor of Science from Xavier University of Louisiana and her Doctor of Dental Surgery from Louisiana State University School of Dentistry. Dr. Miles is a compassionate dentist who is passionate about providing patient-centered care. She enjoys building genuine relationships with her patients and educating them about their oral health and treatment options. Dr. Miles is committed to continuing her education and providing high-quality, personalized dental care in a comfortable and welcoming environment. Outside of dentistry, she enjoys gardening, cooking, and trying new craft projects.
Jared A. Nass, D.D.S.
Dr. Nass was born and raised in New Orleans and attended Isidore Newman High School. He received his undergraduate degree at Colorado College and his Doctor of Dental Surgery degree at LSU School of Dentistry. He is a member of the American Dental Association, the Academy of General Dentistry, the Louisiana Dental Association, and the New Orleans Dental Association. Dr. Nass has been ranked as one of “America’s Top Dentists” by the Consumers’ Research Council of America. He also has an interest in historic renovations.
Jeffrey Snitzer, D.M.D. – Periodontist
Dr. Snitzer has been practicing periodontics for over 25 years. He received his undergraduate degree from the University of Missouri-St. Louis, his Doctor of Dental Medicine degree from Washington University in 1983, and his certificate in Periodontics from Louisiana State University School of Dentistry in 1985. He enjoys playing tennis and golf.
Harish Tummala, M.D., D.M.D.
Dr. Harish Tummala earned his Doctor of Dental Medicine from the University of Florida College of Dentistry and completed his residency in Oral and Maxillofacial Surgery at LSU Health – Shreveport, where he received advanced training in full-scope procedures – including wisdom tooth extractions, dental implants, corrective jaw surgery, facial trauma reconstruction, and pathology management – as well as outpatient anesthesia for safe, office-based sedation. Blending cutting-edge techniques with a compassionate approach, Dr. Harish focuses on minimally invasive methods, rapid recovery, and personalized outcomes to enhance patients’ smiles and quality of life. Outside the office, he enjoys weightlifting for fitness, along with hands-on hobbies like working on cars and electronics, which sharpen his problem-solving skills and surgical precision.
Bonnie Muro Ust, D.D.S.
Dr. Ust was born in New Orleans and raised in Metairie. She graduated from Mount Carmel Academy, then earned a Bachelor of Biological Sciences at LSU and a Doctor of Dental Surgery degree from LSU School of Dentistry. She is a vegetarian, and loves to home-decorate, make crafts, and attend local festivals. Dr. Ust is also proud mom to a daughter.
Justin Wu, D.D.S.
Dr. Wu was born in Kansas City, Missouri and raised in Wichita, Kansas. He received his bachelor’s degree in chemical engineering at the University of Kansas and his dental degree at the University of Missouri-Kansas City. He completed a residency in Advanced Education in General Dentistry (AEGD) at Wichita State University. Dr. Wu has an identical twin brother and enjoys golf, college basketball and football, reading, flying, and playing with his dogs. He is also strongly committed to continuing education in dentistry.