Brigid Maura Freyne, M.D.
NPI 1689640856ActiveIndividual· Internal Medicine, Rheumatology· Murrieta, CA
Internal Medicine, Rheumatology (M.D.) in Murrieta, California, trained at Saint Louis University School of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $5,469,123 for 8,386 claims, against $2,336,331 paid for services in 2024. Amgen Inc. was the largest of 28 companies reporting payments in 2025, $11,176 in all, mostly food and beverage.
Overview
| NPI | 1689640856 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Feb 27, 2006 |
| Last updated in NPPES | Dec 13, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | A64382 | 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 - Rheumatology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 694 |
|---|---|
| Services billed | 152,094 across 89 procedure codes |
| Paid by Medicare | $2,336,331 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,386 · 15,937 30-day fills |
|---|---|
| Patients | 770 |
| Total drug cost | $5,469,123 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Rheumatology |
Hospital affiliation
- Loma Linda University Medical Center-MurrietaMurrieta, CA
Industry payments (Open Payments)
- 2025$11,176 · 262 payments from 28 companies
- 2024$9,044 · 283 payments from 35 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $3,385 | 47 |
| Sobi, Inc | $2,642 | 4 |
| Janssen Biotech, Inc. | $992.08 | 49 |
| Mallinckrodt Hospital Products Inc. | $637.29 | 21 |
| Ucb, Inc. | $532.32 | 17 |
What the 2025 payments were for
- Food and Beverage$6,171 · 259 payments
- Consulting Fee$4,906 · 2 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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