Elizabeth Brem, MD
NPI 1578883781ActiveIndividual· Internal Medicine, Hematology & Oncology· Orange, CA
Internal Medicine, Hematology & Oncology (MD) in Orange, California, trained at State University of New York at Buffalo School of Medicine (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $2,092,339 for 685 claims, against $79,926 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 11 companies reporting payments in 2025, $82,802 in all, mostly speaking and faculty fees.
Overview
| NPI | 1578883781 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 10, 2010 |
| Last updated in NPPES | Apr 19, 2023 |
| Certified by provider | Apr 19, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 143521 | CA |
| Internal Medicine | 207R00000X | 244302 | MA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 253484 | MA |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 260 |
|---|---|
| Services billed | 901 across 24 procedure codes |
| Paid by Medicare | $79,926 |
Part D prescriptions in 2024
| Prescriptions (claims) | 685 · 889 30-day fills |
|---|---|
| Patients | 106 |
| Total drug cost | $2,092,339 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | State University of New York at Buffalo School of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Uc RegentsOrange, CA · 319 clinicians
Hospital affiliations
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$82,802 · 69 payments from 11 companies
- 2024$46,405 · 53 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $54,169 | 30 |
| Astrazeneca Pharmaceuticals LP | $13,754 | 11 |
| Genentech USA, Inc. | $5,737 | 4 |
| Incyte Corporation | $2,446 | 2 |
| Sobi, Inc | $2,310 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$58,090 · 11 payments
- Consulting Fee$16,515 · 7 payments
- Travel and Lodging$6,215 · 17 payments
- Food and Beverage$1,983 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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