Sima Ehsani Chimeh, M.D.
NPI 1699947002ActiveIndividual· Internal Medicine, Hematology & Oncology· Madison, WI
Internal Medicine, Hematology & Oncology (M.D.) with Banner-University Medical Group, practicing in Madison, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $2,224,972 for 1,264 claims, against $46,702 paid for services in 2024. Stemline Therapeutics Inc. was the largest of 5 companies reporting payments in 2025, $407.34 in all, mostly food and beverage. Lists Banner - University Medical Center Tucson Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1699947002 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 25, 2008 |
| Last updated in NPPES | Feb 4, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 54738-20 | WI |
| Obstetrics & Gynecology, Gynecologic Oncology | 207VX0201X | 54738 | WI |
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 - Hematology/Oncology (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 235 |
|---|---|
| Services billed | 545 across 13 procedure codes |
| Paid by Medicare | $46,702 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,264 · 2,596 30-day fills |
|---|---|
| Patients | 289 |
| Total drug cost | $2,224,972 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Banner-University Medical GroupTucson, AZ · 1,072 clinicians
Hospital affiliations
Industry payments (Open Payments)
- 2025$407.34 · 8 payments from 5 companies
- 2024$1,906 · 15 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stemline Therapeutics Inc. | $239.35 | 2 |
| Novartis Pharmaceuticals Corporation | $62.39 | 2 |
| Astrazeneca Pharmaceuticals LP | $54.13 | 1 |
| Gilead Sciences, Inc. | $30.95 | 2 |
| Springworks Therapeutics, Inc. | $20.52 | 1 |
What the 2025 payments were for
- Food and Beverage$407.34 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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