William Will, M.D.
NPI 1568471860ActiveIndividual· Internal Medicine· Tinley Park, IL
Internal Medicine (M.D.) in Tinley Park, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $448,952 for 5,491 claims, against $153,266 paid for services in 2024. Lilly USA, LLC was the largest of 18 companies reporting payments in 2025, $1,476 in all, mostly food and beverage.
Overview
| NPI | 1568471860 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 5, 2006 |
| Last updated in NPPES | Aug 31, 2023 |
| Certified by provider | Aug 31, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036076487 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 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 | 423 |
|---|---|
| Services billed | 4,440 across 83 procedure codes |
| Paid by Medicare | $153,266 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,491 · 13,661 30-day fills |
|---|---|
| Patients | 580 |
| Total drug cost | $448,952 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Internal Medicine |
Medical groups
- Select Rehabilitation, LLCGlenview, IL · 2,046 clinicians
- Dupage Medical Group LtdWinfield, IL · 1,322 clinicians
Hospital affiliations
- Advocate Christ Hospital & Medical CenterOak Lawn, IL
- Franciscan Health Olympia & Chicago HeightsOlympia Fields, IL
- Silver Cross Hospital and Medical CentersNew Lenox, IL
Other facilities
- Advocate Home Health Care ServHome health agency · Oakbrook, IL
- Newsome Home Health Care & Purpose Care of Illinois - JolietHome health agency · Joliet, IL
- Palos Community Hospital Home Health CareHome health agency · Lemont, IL
- Silver Cross Home HealthHome health agency · New Lenox, IL
Industry payments (Open Payments)
- 2025$1,476 · 76 payments from 18 companies
- 2024$1,448 · 75 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $231.82 | 13 |
| Abbvie Inc. | $210.50 | 11 |
| Novo Nordisk Inc | $186.36 | 9 |
| Astrazeneca Pharmaceuticals LP | $155.21 | 10 |
| Exact Sciences Corporation | $144.59 | 6 |
What the 2025 payments were for
- Food and Beverage$1,476 · 76 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 internal medicine physicians in Tinley Park · All internal medicine physicians in Illinois