Robert Ray Redfield, MD
NPI 1326195082ActiveIndividual· Transplant Surgery· Orange, CA
Transplant Surgery (MD) in Orange, California, trained at University of Maryland School of Medicine (class of 2006). Mostly services rather than prescriptions: Medicare paid $112,037 for 64 patients in 2024, with only 41 Part D claims. Regeneron Pharmaceuticals, Inc. was the largest of 4 companies reporting payments in 2025, $1,811 in all, mostly consulting fees.
Overview
| NPI | 1326195082 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 4, 2007 |
| Last updated in NPPES | Jun 2, 2025 |
| Certified by provider | Jun 2, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Transplant Surgery Primary | 204F00000X | C184403 | CA |
| Surgery | 208600000X | MD436835 | PA |
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 - General Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 64 |
|---|---|
| Services billed | 609 across 21 procedure codes |
| Paid by Medicare | $112,037 |
Part D prescriptions in 2024
| Prescriptions (claims) | 41 · 50 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $10,480 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | General Surgery |
Medical group
- University Surgeons of Orange A Medical GroupOrange, CA · 116 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Other facilities
- Mission Home Health of Irvine, LLCHome health agency · Irvine, CA
Industry payments (Open Payments)
- 2025$1,811 · 4 payments from 4 companies
- 2024$1,734 · 10 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Pharmaceuticals, Inc. | $1,558 | 1 |
| Sanofi-Aventis U.S. LLC | $121.82 | 1 |
| Dilon Technologies, Inc. | $96.63 | 1 |
| Paragonix Technologies, Inc. | $34.54 | 1 |
What the 2025 payments were for
- Consulting Fee$1,558 · 1 payment
- Food and Beverage$252.99 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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