William Small Jr., M.D.
NPI 1336115013ActiveIndividual· Radiology, Radiation Oncology· Chicago, IL
Radiology, Radiation Oncology (M.D.) in Chicago, Illinois, trained at Northwestern University Feinberg Medical School (class of 1990). Medicare paid $67,331 for services to 202 patients in 2024. Siemens Medical Solutions USA, Inc. was the largest of 6 companies reporting payments in 2025, $10,230 in all, mostly consulting fees.
Overview
| NPI | 1336115013 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 23, 2006 |
| Last updated in NPPES | Jun 10, 2021 |
| Certified by provider | Jun 10, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 036084648 | 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 - Radiation Oncology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 202 |
|---|---|
| Services billed | 942 across 28 procedure codes |
| Paid by Medicare | $67,331 |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Radiation Oncology |
| Telehealth | Offers telehealth |
Medical group
- Loyola University Medical CenterMaywood, IL · 953 clinicians
Hospital affiliations
- Loyola Gottlieb Memorial HospitalMelrose Park, IL
- Loyola University Medical CenterMaywood, IL
Industry payments (Open Payments)
- 2025$10,230 · 17 payments from 6 companies
- 2024$6,133 · 21 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Siemens Medical Solutions USA, Inc. | $6,177 | 10 |
| Novocure Inc. | $2,140 | 2 |
| Glaxosmithkline, LLC. | $1,600 | 1 |
| Reflexion Medical, Inc. | $151.82 | 1 |
| Accuray Incorporated | $120.78 | 1 |
What the 2025 payments were for
- Consulting Fee$8,240 · 4 payments
- Travel and Lodging$1,078 · 3 payments
- Food and Beverage$911.47 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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