Nanzeen Sayef, M.D.
NPI 1003827411ActiveIndividual· Internal Medicine· Chicago, IL
Internal Medicine (M.D.) with Advocate Health and Hospitals Corporation, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $651,659 for 6,345 claims, against $37,947 paid for services in 2024. Edwards Lifesciences Corporation reported $19.07 in payments in 2025, mostly food and beverage. Lists Advocate Christ Hospital & Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1003827411 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 10, 2006 |
| Last updated in NPPES | Dec 16, 2021 |
| Certified by provider | Dec 16, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-083499 | 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 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 - Internal Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 106 |
|---|---|
| Services billed | 574 across 31 procedure codes |
| Paid by Medicare | $37,947 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,345 · 15,718 30-day fills |
|---|---|
| Patients | 449 |
| Total drug cost | $651,659 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliations
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
- Advocate Trinity HospitalChicago, IL
Other facilities
- Advocate Home Health Care ServHome health agency · Oakbrook, IL
Industry payments (Open Payments)
- 2025$19.07 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $19.07 | 1 |
What the 2025 payments were for
- Food and Beverage$19.07 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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