Spiro Antoniades, MD
NPI 1265535512 · Orthopaedic Surgery of the Spine Physician · Bel Air, MD
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spiro Antoniades, MD is a Orthopaedic Surgery of the Spine Physician provider in Bel Air, MD (NPI 1265535512).
Provider details
- NPI number
- 1265535512
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery of the Spine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0047688 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
495 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 165 | $94 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 129 | $173 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 60 | $129 |
| Partial Removal of Spine Bone With Release of Spinal Cord And/Or Nerves, Each Additional Segment63048 | 45 | $224 |
| Fusion of Additional Segment of Spine22614 | 29 | $411 |
| Partial Removal of Spine Bone With Release of Lower Spinal Cord And/Or Nerves, 1 Segment |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methylprednisolone | 83 | 76 |
| Baclofen | 64 | 54 |
| Meloxicam | 51 | 35 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 39 | 23 |
| Tramadol Hcl | 38 | 32 |
| Diazepam | 29 | 22 |
| Oxycodone Hcl | 24 | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-05
- Last updated
- 2024-12-03
- Certified
- 2024-12-03
Frequently asked questions
- What is Spiro Antoniades's NPI number?
- Spiro Antoniades's National Provider Identifier (NPI) is 1265535512, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spiro Antoniades's specialty?
- Spiro Antoniades is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery of the Spine Physician (Allopathic & Osteopathic Physicians).
- Where is Spiro Antoniades located?
- Spiro Antoniades's practice location on file with NPPES is 2014 S Tollgate Rd Ste 107, Bel Air, MD 21015-6010.
- What is Spiro Antoniades's phone number?
- The practice phone number listed in the NPPES registry for Spiro Antoniades is (410) 446-8747.
- Does Spiro Antoniades accept Medicare?
- Spiro Antoniades is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spiro Antoniades's NPI active?
- Yes — Spiro Antoniades's NPI (1265535512) is active in the NPPES registry as of the last update on 2024-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.