Marion R. McMillan, MD, founder and operating surgeon

Background and training

Dr. McMillan completed his undergraduate degree at Yale University and earned his medical degree at Tufts University School of Medicine. He completed residency training in Internal Medicine and Anesthesiology and a fellowship in Interventional Pain Medicine at the University of Pennsylvania. He holds dual board certification in Internal Medicine and Anesthesiology.

Following fellowship training, Dr. McMillan established practice in Upstate South Carolina in 1992, where he has practiced continuously since. His clinical focus is image-guided interventional pain medicine and full-endoscopic spine surgery.

Inventor and surgical technique developer

Dr. McMillan holds two U.S. patents related to percutaneous spine instrumentation: U.S. Patent 8,152,796 (issued 2012) and U.S. Patent 9,050,097 (issued 2015). Both relate to surgical instruments and techniques for minimally invasive spine procedures. The patents reflect ongoing technical innovation in approaches that minimize tissue disruption.

His clinical practice incorporates these and related techniques in the routine procedure mix. Details of the patents and his publication history are on the /about/patents-and-publications/ page.

Professional memberships and standing

Dr. McMillan is a member of the North American Spine Society (NASS) — the leading multidisciplinary spine professional society — and an associate member of the American Association of Neurological Surgeons (AANS). He maintains active licensure in South Carolina and participates in continuing medical education in his specialty areas.

His professional credentials can be independently verified through the South Carolina Board of Medical Examiners (state medical board), the certifying boards (American Board of Internal Medicine and American Board of Anesthesiology), and his professional society memberships. Independent profile pages exist on WebMD and other physician directories — see his WebMD profile for an external view.

Approach to patient care

Dr. McMillan’s clinical approach emphasizes evidence-based candidacy assessment before any procedure is offered. The standard sequence: thorough review of imaging and clinical history, correlation of symptoms with anatomical findings, discussion of all reasonable options including non-surgical alternatives, and clear explanation of expected outcomes and limitations.

The practice’s no-fusion promise and five operating principles reflect Dr. McMillan’s clinical philosophy. Single-surgeon practice, transparent pricing, smallest-operation approach, and honest second opinions are structural choices he’s made deliberately. Patients have access to him directly through the consultation process; the office isn’t structured around layers of staff between patient and surgeon.

Written bySteven Lockhart, Healthcare Marketing Group

Medically reviewed byMarion R. McMillan, MD, Interventional Pain Medicine & Endoscopic Spine Surgery

Training and board certifications

Dr. Marion R. McMillan completed his undergraduate work at Yale University, his medical degree at Tufts University School of Medicine, and his Interventional Pain Medicine fellowship at the University of Pennsylvania. He holds dual board certification in Internal Medicine and Anesthesiology — a combination relatively uncommon among practicing spine surgeons in the United States and one that informs his approach to perioperative risk and patient comorbidity management. He has practiced in the Upstate South Carolina region since 1992, transitioning from interventional pain medicine to endoscopic spine surgery as the technique matured during the 2010s.

Surgical practice and procedural focus

The single-surgeon model at Synergy Spine Center isn’t a marketing position — it’s structural. Dr. McMillan personally reviews every MRI submission, performs every endoscopic procedure, and conducts every post-operative follow-up. The spine surgery literature consistently demonstrates volume-outcome relationships at the individual operator level; concentrating expertise in one surgeon is a deliberate choice in light of that evidence. The most common procedures performed are endoscopic decompression for stenosis, endoscopic discectomy, and full-endoscopic spine surgery across cervical and lumbar levels.

Patents and professional memberships

Dr. McMillan is the named inventor on two issued U.S. patents: U.S. Patent 8,152,796 (2012) and U.S. Patent 9,050,097 (2015), both covering aspects of percutaneous spine procedure technique. Full patent details are at /patents-and-publications/. He is a member of the North American Spine Society (NASS) and the American Association of Neurological Surgeons (AANS). Public profiles are available on LinkedIn and WebMD.

How Dr. McMillan approaches new patient cases

The clinical workflow reflects the practice’s underlying philosophy. When a new patient’s imaging arrives for review, Dr. McMillan personally examines the DICOM files rather than delegating to a resident, fellow, or trained assistant — because the diagnostic question and the surgical question are the same question. Reading the imaging is the surgical planning. The written response the patient receives back is the same read that would be used to plan the procedure. This eliminates the common surgical scenario where a patient’s imaging is initially reviewed by a junior clinician, filtered through summary language, and never actually seen by the operating surgeon until the day of the procedure.

The consultation phase follows the same pattern. Phone consultations run 30-45 minutes because there’s no useful shortcut — the patient’s symptoms, prior treatments, and comorbidities need real discussion, and the surgical alternatives need careful walkthrough. Dr. McMillan does not run consultations in parallel or delegate them to a nurse practitioner. Patients who ask detailed technical questions get detailed technical answers; patients who prefer a broader framing get that. The consultation is where the practice’s core commitment plays out — this is where fusion recommendations from other surgeons get discussed honestly, where the specific procedure being proposed gets explained, and where candid disclosure of what surgery can and can’t accomplish happens.

Post-operatively, Dr. McMillan personally handles all follow-up communication for the first several weeks. Routine follow-up at 1 week, 2 weeks, 6 weeks, and 3 months is scheduled directly with him — not with a physician assistant or nurse case manager. Complications, when they occur (rare but not zero), are addressed by the operating surgeon rather than escalated through a hierarchy. This is the single-surgeon model in its practical form: one patient, one surgeon, from initial MRI review through long-term follow-up. Broader background on the practice model is at /our-philosophy/ and the associated no-fusion promise.

Further reading and authoritative sources

The pages linked below cover related topics in more detail. For patients who prefer independent, non-practice sources, the external references at the end of the list provide authoritative verification of clinical facts, procedural information, and regulatory context. This practice’s clinical statements are traceable to the peer-reviewed literature and professional-society guidelines listed here.

Related pages on this site:

• Credentials & Training — details, indications, and process context relevant to the topic above.
• Patents & Publications — details, indications, and process context relevant to the topic above.
• The Evidence — details, indications, and process context relevant to the topic above.
• Our Philosophy — details, indications, and process context relevant to the topic above.
• The No-Fusion Promise — details, indications, and process context relevant to the topic above.
• Patient Stories — details, indications, and process context relevant to the topic above.

Independent authoritative sources:

• NASS — North American Spine Society — authoritative independent source for verification and further reading.
• AANS — American Association of Neurological Surgeons — authoritative independent source for verification and further reading.

For patients whose questions extend beyond the material covered here, the direct path forward is the free MRI review for candidacy-specific questions or a phone call to (864) 886-9888 for process or logistics questions. The practice’s broader clinical philosophy — including the reasoning behind the no-fusion-first orientation and the single-surgeon model — is documented at /our-philosophy/.