Health & Fitness
DISC Sports & Spine Center Recognized by Castle Connolly
The center has been named this year's No. 1 Physician Practice in Los Angeles, and 17 DISC physicians are 'Top Doctors.'

Following a rigorous review process, DISC Sports & Spine Center (“DISC”) has been named this year’s No. 1 Physician Practice in Los Angeles by Castle Connolly, whose unbiased annual directory has become synonymous with best-in-class medical care. The distinction includes three categories specific to Los Angeles: Physician Practice for Surgery, Physician Practice for Orthopaedics and Physician Practice Overall.
Additionally, 17 DISC physicians are being recognized as 2024 “Top Doctors” in Los Angeles and San Francisco.
This year’s DISC doctors being honored include:
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- Dr. Joseph J. Barrows, Anesthesiologist
- Dr. Robert S. Bray, Jr., Neurosurgeon (Top Doctor 10+ Years)
- Dr. Alexis E. Dixon, Orthopaedic Surgeon
- Dr. Nick Jain, Orthopaedic Surgeon
- Dr. Amir A. Jamali, Orthopaedic Surgeon (Top Doctor 5+ Years)
- Dr. J. Patrick Johnson, Neurosurgeon (Top Doctor 15+ Years)
- Dr. Amer Khalil, Neurosurgeon
- Dr. Mark A. Liker, Neurosurgeon (Top Doctor 15+ Years)
- Dr. Bjorn Lobo, Neurosurgeon
- Dr. Luke Macyszyn, Neurological Surgery
- Dr. Farshad Malekmehr, Thoracic & Cardiac Surgeon
- Dr. Rojeh Melikian, Orthopaedic Surgeon
- Dr. Russell S. Montgomery, Vascular Surgeon (Top doctor 10+ Years)
- Dr. Todd W. Peters, Orthopaedic Surgeon
- Dr. Leia Rispoli, Pain Medicine Doctor
- Dr. Grant D. Shifflett, Orthopaedic Surgeon
- Dr. William B. Workman, Orthopaedic Surgeon (Top Doctor 5+ Years)
With over 985,000 practicing doctors in the United States, Castle Connolly carefully curated its list of more than 66,000 board-certified U.S. physicians, across all 50 states and 78 medical specialties. All Castle Connolly Top Doctors are nominated by their peers, after which the Castle Connolly research team evaluates specific criteria to determine who should qualify as a Top Doctor, including consideration of each nominee’s professional qualifications, education, hospital and faculty appointments, research leadership, professional reputation, disciplinary history, interpersonal skills, and outcomes data. The recognition methodology has been vetted and endorsed by the Castle Connolly Medical Advisory Board.