Physician Profile
Unclaimed ProfileAbout MACARTHUR
Based in Orange, CA, Robert John Macarthur, MD is listed in the NPI registry under orthopedic surgery. Robert graduated from Columbia University College of Physicians and Surgeons in 1991. Robert is also listed as specialising in orthopaedic surgery.
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. Macarthur?
Dr. Macarthur is an orthopedic surgeon in Orange, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ORTHOPEDIC SURGERY”.
NPI registry
What is Dr. Macarthur's address?
Dr. Macarthur is listed at 1010 W LA VETA AVE SUITE 510, Orange, CA 92868. 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. Macarthur?
The number on file is (714) 550-0070. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Macarthur's NPI number?
Dr. Macarthur's National Provider Identifier is 1508949470. 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. Macarthur train?
Dr. Macarthur attended Columbia University College of Physicians and Surgeons, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Macarthur been practising?
Dr. Macarthur has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Macarthur perform?
According to Medicare billing data, Dr. Macarthur performs procedures including aspiration and/or injection of fluid from large joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Macarthur confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Macarthur. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (714) 550-0070
- Email not available
Practice Locations
1010 W LA VETA AVE SUITE 510
Orange, CA 92868
Procedures Most Often Billed to Medicare
83 services · 60 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
18 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
43 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
22 |
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.
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 Orange 8
Same specialty, same city.
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1991 at Columbia University College of Physicians and Surgeons 7
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 CA 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.