Quick answers
- Which hospitals does Spiro B. Antoniades work at?
- Medicare's official clinician data lists Spiro B. Antoniades at 1 hospital: Saint Agnes Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Spiro B. Antoniades see patients?
- Medicare's clinician data lists 5 practice locations, including Forest Hill, MD, Bel Air, MD and Baltimore, MD. Call before your visit to confirm the address.
- What is Spiro B. Antoniades's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty, and also Neurosurgery.
- Does Spiro B. Antoniades accept Medicare assignment?
- Yes. Medicare's clinician data says Spiro B. Antoniades accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Spiro B. Antoniades offer telehealth?
- Medicare's clinician data says Spiro B. Antoniades offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Spiro B. Antoniades?
- (410) 877-7776, as listed in official Medicare / NPI Registry data.
- What is Spiro B. Antoniades's NPI number?
- 1265535512. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Spiro B. Antoniades works
Medicare's Facility Affiliation Data lists Spiro B. Antoniades at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Agnes HospitalBaltimore, MD · Acute Care Hospital · CCN 210011
Practice locations
Addresses where Spiro B. Antoniades is enrolled with Medicare (CMS data updated 2026-10-02).
- 12 Newport Dr, Suite AForest Hill, MD 21050
- 2014 S Tollgate Rd, Suite 107Bel Air, MD 21015 (410) 877‑7776
- 3449 Wilkens AveBaltimore, MD 21229
- 6501 Baltimore National Pike, Suite DCatonsville, MD 21228
- 900 Caton AveBaltimore, MD 21229
Group practices
Medicare enrollment lists Spiro B. Antoniades as a member of these groups (CMS data updated 2026-10-02).
- Agape Physical Therapy and Sports Rehabilitation LP678 clinicians in the group
- St Agnes Healthcare Inc260 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
- Neurosurgeryalso
Other orthopedic surgeons in Forest Hill
Clinicians with the same Medicare primary specialty in Forest Hill, MD — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Johns Hopkins University School Of Medicine |
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1265535512 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians