Brian Andrew Jonas, M.D., PHD
NPI 1558542209ActiveIndividual· Internal Medicine, Hematology & Oncology· Sacramento, CA
Internal Medicine, Hematology & Oncology (M.D., PHD) in Sacramento, California, trained at University of California, Davis School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $5,678,781 for 705 claims, against $97,231 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 6 companies reporting payments in 2025, $9,554 in all, mostly consulting fees.
Overview
| NPI | 1558542209 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., PHD |
| Sole proprietor | No |
| NPI issued | Nov 23, 2007 |
| Last updated in NPPES | Aug 22, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A105278 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 234 |
|---|---|
| Services billed | 1,314 across 23 procedure codes |
| Paid by Medicare | $97,231 |
Part D prescriptions in 2024
| Prescriptions (claims) | 705 · 776 30-day fills |
|---|---|
| Patients | 86 |
| Total drug cost | $5,678,781 |
| Generic share | 50% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Regents of the Univ of CaSacramento, CA · 1,584 clinicians
Hospital affiliations
- Adventist Health and RideoutMarysville, CA
- Adventist Health SonoraSonora, CA
- Enloe HealthChico, CA
- Marshall Medical CenterPlacerville, CA
- University of California Davis Medical CenterSacramento, CA
Industry payments (Open Payments)
- 2025$9,554 · 8 payments from 6 companies
- 2024$10,562 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $2,865 | 1 |
| Daiichi Sankyo Inc. | $2,580 | 1 |
| Abbvie Inc. | $2,363 | 2 |
| Genentech USA, Inc. | $1,537 | 2 |
| Secura Bio, Inc. | $183.71 | 1 |
What the 2025 payments were for
- Consulting Fee$9,138 · 5 payments
- Food and Beverage$416.57 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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