Physician Profile
Unclaimed ProfileAbout O'BRIEN
Stephen J O'Brien, ORTHOPAEDIC SURGEON practises orthopedic surgery in New York, NY. Stephen is a 1981 graduate of University of Virginia School of Medicine. Stephen is also listed as specialising in specialist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. O'Brien?
Dr. O'Brien is an orthopedic surgeon in New York, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
What is Dr. O'Brien's address?
Dr. O'Brien is listed at 535 E 70TH ST, New York, NY 10021. 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. O'Brien?
The number on file is (212) 606-1011. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. O'Brien's NPI number?
Dr. O'Brien's National Provider Identifier is 1720002686. 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. O'Brien train?
Dr. O'Brien attended University of Virginia School of Medicine, graduating in 1981. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. O'Brien been practising?
Dr. O'Brien has 45 years experience. Calculated from a graduation year of 1981, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. O'Brien perform?
According to Medicare billing data, Dr. O'Brien performs procedures including aspiration and/or injection of fluid from large joint, replacement of knee joint, both sides of knee and removal of knee cartilage using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. O'Brien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Brien. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (212) 606-1011
- Email not available
Practice Locations
535 E 70TH ST
New York, NY 10021
Procedures Most Often Billed to Medicare
28,140 services · 687 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
333 |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
16 |
| Removal of knee cartilage using an endoscope | Procedure | 29881 |
15 |
| Partial removal of knee joint lining using an endoscope | Procedure | 29875 |
15 |
| Removal of both knee cartilages using an endoscope | Procedure | 29880 |
11 |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
26,475 |
| Injection, lidocaine hcl for intravenous infusion, 10 mg | Drug given | J2001 |
755 |
| Injection, methylprednisolone acetate, 40 mg | Drug given | J1030 |
160 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
219 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
96 |
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 5
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 orthopedic surgeons in New York 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Virginia School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1981 at University of Virginia School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in NY who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.