Aaron Rosenberg, M.D., M.S.
NPI 1144479411ActiveIndividual· Internal Medicine, Hematology & Oncology· Sacramento, CA
Internal Medicine, Hematology & Oncology (M.D., M.S.) in Sacramento, California, trained at Icahn School of Medicine at Mount Sinai (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $2,117,078 for 700 claims, against $108,570 paid for services in 2024. Pfizer Inc. was the largest of 7 companies reporting payments in 2025, $7,622 in all, mostly speaking and faculty fees.
Overview
| NPI | 1144479411 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., M.S. |
| Sole proprietor | No |
| NPI issued | Sep 11, 2008 |
| Last updated in NPPES | Sep 26, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A131746 | CA |
| Internal Medicine | 207R00000X | MD437380 | PA |
| Internal Medicine | 207R00000X | MT188309 | PA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | 244419 | MA |
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 | 318 |
|---|---|
| Services billed | 1,608 across 21 procedure codes |
| Paid by Medicare | $108,570 |
Part D prescriptions in 2024
| Prescriptions (claims) | 700 · 858 30-day fills |
|---|---|
| Patients | 118 |
| Total drug cost | $2,117,078 |
| Generic share | 71% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Regents of the Univ of CaSacramento, CA · 1,584 clinicians
Hospital affiliations
- Enloe HealthChico, CA
- University of California Davis Medical CenterSacramento, CA
Industry payments (Open Payments)
- 2025$7,622 · 10 payments from 7 companies
- 2024$1,022 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $5,966 | 1 |
| E.R. Squibb & Sons, L.L.C. | $1,038 | 1 |
| Janssen Biotech, Inc. | $189.98 | 2 |
| Secura Bio, Inc. | $183.71 | 1 |
| Astrazeneca Pharmaceuticals LP | $111.74 | 2 |
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$5,966 · 1 payment
- Consulting Fee$1,038 · 1 payment
- Food and Beverage$506.52 · 6 payments
- Education$111.74 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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