Sefer Gezer, M.D.
NPI 1700845153ActiveIndividual· Internal Medicine, Hematology· Chicago, IL
Internal Medicine, Hematology (M.D.) with Rush University Medical Group, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $603,247 for 676 claims, against $50,144 paid for services in 2024. Lists Rush Oak Park Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1700845153 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 22, 2006 |
| Last updated in NPPES | Apr 14, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | 036-087768 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 247 |
|---|---|
| Services billed | 433 across 6 procedure codes |
| Paid by Medicare | $50,144 |
Part D prescriptions in 2024
| Prescriptions (claims) | 676 · 879 30-day fills |
|---|---|
| Patients | 112 |
| Total drug cost | $603,247 |
| Generic share | 32% of claims |
Education and affiliations
| Graduation year | 1971 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Rush University Medical GroupChicago, IL · 1,551 clinicians
Hospital affiliations
- Rush Oak Park HospitalOak Park, IL
- Rush University Medical CenterChicago, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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