Robert John Macarthur, MD
NPI 1508949470ActiveIndividual· Orthopaedic Surgery· Orange, CA
Orthopaedic Surgery (MD) in Orange, California, trained at Columbia University College of Physicians and Surgeons (class of 1991). Mostly services rather than prescriptions: Medicare paid $18,952 for 67 patients in 2024, with only 12 Part D claims. Solventum Corporation reported $28.60 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1508949470 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 23, 2006 |
| Last updated in NPPES | Oct 17, 2023 |
| Certified by provider | Oct 17, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | G76912 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 67 |
|---|---|
| Services billed | 263 across 30 procedure codes |
| Paid by Medicare | $18,952 |
Part D prescriptions in 2024
| Prescriptions (claims) | 12 · 12 30-day fills |
|---|---|
| Total drug cost | $95.52 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Desert Valley Medical Group IncVictorville, CA · 77 clinicians
- Premier Orthopaedic Trauma Specialists PmcPomona, CA · 36 clinicians
Hospital affiliations
- Desert Valley HospitalVictorville, CA
- Providence St Mary Medical CenterApple Valley, CA
Industry payments (Open Payments)
- 2025$28.60 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Solventum Corporation | $28.60 | 1 |
What the 2025 payments were for
- Food and Beverage$28.60 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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