Spiro B Antoniades MD in Baltimore: Cervical and Lumbar Spine Surgery with Office-Based Procedures
Spiro B Antoniades MD is an independent spine surgeon practicing in Baltimore who focuses on surgical and nonsurgical treatment of cervical and lumbar spine conditions, offering in-office injection procedures alongside traditional operating-room surgery. He does not operate as part of a hospital system and maintains a private practice model, which shapes both his accessibility and the way referrals and billing work for patients.
What This Practice Actually Is
Antoniades operates an office-based spine practice centered on conditions of the neck and lower back. His work includes cervical decompression and fusion, lumbar fusion, and spinal reconstruction for degenerative disc disease, stenosis, and trauma. The practice distinguishes itself through the availability of in-office procedures—epidural steroid injections, facet joint injections, and other image-guided interventions—that allow patients to pursue conservative treatment or bridge time before surgery without necessarily scheduling hospital operating room time. This dual-track approach is common in urban spine practices but notable because it means a consultation can potentially lead to a procedure in the same facility within weeks rather than months.
Services and Consultation Process
Initial consultation typically involves imaging review (often MRI or CT that the patient brings from prior imaging), physical examination, and discussion of both surgical and nonsurgical options. For in-office procedures, local anesthesia and fluoroscopic guidance are used; sedation is available but not required for most injections. Surgical procedures require hospital operating room time and are arranged separately.
Specific pricing for consultations and in-office procedures is not published online and should be confirmed directly with the practice office, as both the surgeon's fee and facility cost vary by procedure and insurance coverage. Patients with insurance should contact their carrier regarding coverage of spinal fusion, which typically requires prior authorization. For uninsured or out-of-pocket patients, the practice office can provide estimates ahead of appointment.
How This Compares to Other Baltimore Spine Surgeons
Baltimore has several spine surgeons affiliated with major health systems—Johns Hopkins (multiple surgeons across its hospital system), University of Maryland Medical Center, and Sinai Hospital each employ or partner with spine specialists. System-affiliated surgeons often have quicker access to operating room time and may offer integrated imaging on-site, but consultations and procedures are scheduled through hospital central lines and typically follow longer appointment cycles. A system surgeon may require a referring physician; Antoniades accepts direct patient referral.
Private spine practices like Antoniades' model work best for patients who have specific imaging they want reviewed quickly, prefer direct access to the surgeon, or want to explore office-based procedures before committing to surgery. System surgeons suit patients already in hospital care pathways, those needing complex reconstruction that benefits from team support, or those for whom referral flow is set.
Who This Practice Suits and Does Not Suit
The office-based procedure option works well for patients with radicular pain or facet syndrome who want a procedural intervention before surgery, and for those seeking a second opinion on imaging they already have. Patients with complex spinal deformity, tumor, or infection may benefit more from hospital-system resources where multidisciplinary teams and advanced imaging are immediately available.
The private practice model assumes patients can navigate authorization and scheduling directly. Those who need care coordinated through their primary care physician or who prefer a single integrated medical record across multiple specialists may find a system surgeon less friction-heavy.
What to Expect on the First Visit
Bring any recent MRI, CT, or X-ray images and reports. If you do not have imaging or it is old, the surgeon will advise whether new imaging is needed before consultation. The visit will include a focused neurological exam and may include discussion of injections or other procedures that could be done in-office. If surgery is indicated and you choose to proceed, the surgeon will discuss timing and hospital logistics separately.
Hours and Logistics
Confirm current office hours and location directly with the practice; spine practices sometimes move or adjust scheduling seasonally. Street or lot parking availability depends on the specific office location and should be verified when you call for appointment. Insurance accepted varies; call ahead to confirm your plan is in-network or whether the practice bills as out-of-network.
Why This Practice Matters in Baltimore
For Baltimore patients seeking spine surgery outside hospital gatekeeping and willing to manage scheduling themselves, Antoniades' combination of traditional surgical expertise and office-based procedures offers genuine choice. The practice model works best as a second-opinion destination or for patients already engaged in their own care rather than those needing passive, coordinated referral pathways.

