Celalettin Ustun, MD
NPI 1013010487ActiveIndividual· Internal Medicine, Hematology· Chicago, IL
Internal Medicine, Hematology (MD) with Rush University Medical Group, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $1,447,784 for 388 claims, against $24,814 paid for services in 2024. Blueprint Medicines Corporation was the largest of 4 companies reporting payments in 2025, $12,411 in all, mostly honoraria. Lists Rush University Medical Center as a hospital affiliation.
Overview
| NPI | 1013010487 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 7, 2006 |
| Last updated in NPPES | Sep 21, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | 036-147386 | 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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 52 |
|---|---|
| Services billed | 288 across 13 procedure codes |
| Paid by Medicare | $24,814 |
Part D prescriptions in 2024
| Prescriptions (claims) | 388 · 551 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $1,447,784 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Hematology |
Medical group
- Rush University Medical GroupChicago, IL · 1,551 clinicians
Hospital affiliation
- Rush University Medical CenterChicago, IL
Industry payments (Open Payments)
- 2025$12,411 · 10 payments from 4 companies
- 2024$23,001 · 21 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Blueprint Medicines Corporation | $4,422 | 3 |
| Syndax Pharmaceuticals, Inc. | $4,120 | 3 |
| Sanofi US Services Inc. | $3,685 | 3 |
| Novartis Pharmaceuticals Corporation | $183.07 | 1 |
What the 2025 payments were for
- Honoraria$4,422 · 3 payments
- Consulting Fee$4,000 · 1 payment
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$3,685 · 3 payments
- Food and Beverage$303.54 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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