Hussein Zaioor, MD
NPI 1013919943ActiveIndividual· Internal Medicine, Infectious Disease· Sterling, IL
Internal Medicine, Infectious Disease (MD) in Sterling, Illinois, licensed in IL and CT, with an NPI issued in August 2005. 438 Medicare patients in 2024, $181,518 paid; nearly all of their 747 Part D prescriptions were generic (90%). Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $154.40 in all, mostly food and beverage. Lists Genesis Hlth System DBA Genesis Mdl Ctr-Illini and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1013919943 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 11, 2005 |
| Last updated in NPPES | May 22, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 036114488 | IL |
| Internal Medicine | 207R00000X | 038229 | CT |
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 | 438 |
|---|---|
| Services billed | 2,455 across 11 procedure codes |
| Paid by Medicare | $181,518 |
Part D prescriptions in 2024
| Prescriptions (claims) | 747 · 821 30-day fills |
|---|---|
| Patients | 167 |
| Total drug cost | $232,573 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Infectious Disease |
| Telehealth | Offers telehealth |
Hospital affiliations
- Genesis Hlth System DBA Genesis Mdl Ctr-IlliniSilvis, IL
- Hammond Henry HospitalGeneseo, IL
- St Mary Medical CenterGalesburg, IL
- Trinity MuscatineMuscatine, IA
- Trinity Rock IslandRock Island, IL
Industry payments (Open Payments)
- 2025$154.40 · 7 payments from 4 companies
- 2024$67.86 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $59.33 | 3 |
| Aimmune Therapeutics, Inc. | $55.02 | 2 |
| Merck Sharp & Dohme LLC | $25.70 | 1 |
| Insmed, Inc. | $14.35 | 1 |
What the 2025 payments were for
- Food and Beverage$128.70 · 6 payments
- Education$25.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records