Meet the Doctors

Justin Lundgren, M.D.
Dr. Lundgren is a physician specializing in the care of spine pain and musculoskeletal disorders. After graduating from LSU Medical School in 1999, he completed his residency at the University California Davis Medical Center in Sacramento as a Physical Medicine and Rehabilitation (PM&R) doctor.

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Kevin Martinez, M.D.
Dr. Kevin Martinez has practiced Interventional Pain Management since 2005. A graduate of Louisiana State University and Louisiana State University School of Medicine, Dr. Martinez completed his residency in Physical Medicine & Rehabilitation at LSU Health Sciences Center in New Orleans where he earned the Academic Excellence Award.

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Everett G. Robert, Jr., M.D.
Dr. Robert is a native New Orleanian and has joined Southern Brain & Spine to practice neurosurgery in the Greater New Orleans area. He received his undergraduate degree from Tulane University and obtained his medical degree from Louisiana State University in New Orleans.

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Manish K Singh, M.D.
Manish K Singh, M.D. is a Board-Certified Neurosurgeon practicing in the Greater New Orleans area. He completed his Neurosurgery residency at Tulane University in New Orleans. Following his Neurosurgery training, he did his fellowship in Complex Spine Surgery/Adult Spine Deformity at University of Virginia, where he trained under a world-renowned spine surgeon, Christopher Shaffrey, MD.

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Najeeb Thomas, M.D.
Dr. Thomas is a native of Louisiana and practices in his home city of New Orleans. He completed a residency in neurosurgery at Louisiana State University in New Orleans. He trained at the world famous Charity Hospital in New Orleans.

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Derrick Umansky, M.D.
Dr. Derrick Umansky is a board-certified and fellowship-trained neurosurgeon dedicated to providing exceptional care to his patients. Dr. Umansky graduated Summa Cum Laude from the University of Georgia and subsequently completed his medical degree at the Medical College of Georgia, where he was amongst the top of his class.

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Rand Voorhies, M.D.
Dr. Voorhies received his medical degree from Tulane University, and before graduation was elected to the Alpha Omega Alpha medical honor society for academic excellence. He completed his neurosurgical residency at The New York Hospital – Cornell Medical Center, and stayed in New York an additional year for a research fellowship at Memorial Sloan - Kettering Cancer Center. Dr.

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