Physician Profile
Spiro B. Antoniades, MD
Unclaimed ProfileAbout Dr. Antoniades
Spiro B. Antoniades, MD practices orthopaedic surgery of the spine in Bel Air, MD. Spiro is a 1992 graduate of Johns Hopkins University School of Medicine. Spiro is also listed as specializing in orthopaedic surgery. According to Medicare claims data, Spiro cared for 415 Medicare patients across 495 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (410) 446-8747
- Email not available
Practice Locations
2014 S TOLLGATE RD STE 107
Bel Air, MD 21015
Procedures Most Often Billed to Medicare
495 services · 415 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment | Procedure | 63048 |
45 | More often than most peers in Orthopaedic Surgery of the Spine |
| Fusion of additional segment of spine | Procedure | 22614 |
29 | Less often than most peers in Orthopaedic Surgery of the Spine |
| Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment | Procedure | 63047 |
25 | More often than most peers in Orthopaedic Surgery of the Spine |
| Harvest of bone fragment for spine bone graft | Procedure | 20937 |
16 | Less often than most peers in Orthopaedic Surgery of the Spine |
| Fusion of spine in lower back | Procedure | 22612 |
15 | Less often than most peers in Orthopaedic Surgery of the Spine |
| Placement of stabilizing device to back, 3-6 spine bone segments | Procedure | 22842 |
11 | Less often than most peers in Orthopaedic Surgery of the Spine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
165 | More often than most peers in Orthopaedic Surgery of the Spine |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
129 | More often than most peers in Orthopaedic Surgery of the Spine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
60 | Less often than most peers in Orthopaedic Surgery of the Spine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other orthopaedic surgery of the spines in Bel Air 1
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Johns Hopkins University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at Johns Hopkins University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 7
Providers in MD who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Antoniades?
Dr. Antoniades is an orthopaedic surgery of the spine in Bel Air, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Antoniades's address?
Dr. Antoniades is listed at 2014 S Tollgate Rd Ste 107, Bel Air, MD 21015. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Antoniades?
The number on file is (410) 446-8747. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Antoniades's NPI number?
Dr. Antoniades's National Provider Identifier is 1265535512. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Antoniades train?
Dr. Antoniades attended Johns Hopkins University School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Antoniades been practicing?
Dr. Antoniades has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Antoniades perform?
According to Medicare billing data, Dr. Antoniades performs procedures including partial removal of spine bone with release of spinal cord and/or nerves, each additional segment, fusion of additional segment of spine and partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Antoniades confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Antoniades. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.