Physician Profile
Unclaimed ProfileAbout OCONNOR
Daryl Len Oconnor, MD practises orthopedic surgery in Elmhurst, IL. Daryl is a 1997 graduate of Northwestern University Feinberg Medical School. Daryl is also listed as specialising in orthopaedic surgery. Medicare claims data shows Daryl provided 3,066 services to 1,076 patients.
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. Oconnor?
Dr. Oconnor is an orthopedic surgeon in Elmhurst, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
What is Dr. Oconnor's address?
Dr. Oconnor is listed at 360 W BUTTERFIELD RD SUITE 160, Elmhurst, IL 60126. 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. Oconnor?
The number on file is (630) 782-9600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Oconnor?
Dr. Oconnor's National Provider Identifier is 1154323541. 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. Oconnor train?
Dr. Oconnor attended Northwestern University Feinberg Medical School, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Oconnor have?
Dr. Oconnor has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Oconnor perform?
According to Medicare billing data, Dr. Oconnor performs procedures including aspiration and/or injection of fluid from large joint, replacement of knee joint, both sides of knee and replacement of thigh bone and hip joint with prosthesis; reads or performs imaging such as x-ray of knee, 4 or more views and x-ray of knee, 3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Oconnor's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Oconnor. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (630) 782-9600
- Email not available
Practice Locations
360 W BUTTERFIELD RD SUITE 160
Elmhurst, IL 60126
Procedures Most Often Billed to Medicare
3,066 services · 1,076 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
277 |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
15 |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
11 |
| X-ray of knee, 4 or more views | Imaging | 73564 |
64 |
| X-ray of knee, 3 views | Imaging | 73562 |
59 |
| X-ray of hip, 1 view | Imaging | 73501 |
38 |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
38 |
| Mri scan of leg joint without contrast | Imaging | 73721 |
15 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
986 |
| Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg | Drug given | J7318 |
840 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopedic surgeons at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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.
More connections — 29 related providers in 4 groups
Other orthopedic surgeons in Elmhurst 5
Same specialty, same city.
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Northwestern University Feinberg Medical School 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 IL 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.