William Arthur Stinson, MD
NPI 1336112911ActiveIndividual· Internal Medicine· Crystal Lake, IL
Internal Medicine (MD) in Crystal Lake, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $885,596 for 11,367 claims, against $265,658 paid for services in 2024.
Overview
| NPI | 1336112911 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 13, 2006 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036104141 | 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 | 674 |
|---|---|
| Services billed | 32,787 across 40 procedure codes |
| Paid by Medicare | $265,658 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,367 · 27,391 30-day fills |
|---|---|
| Patients | 1,268 |
| Total drug cost | $885,596 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
Hospital affiliations
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine Delnor Community HospitalGeneva, IL
- Northwestern Medicine McHenryMcHenry, IL
Other facilities
- Accentcare Home Health of IllinoisHome health agency · Lombard, IL
- Advocate Home Health Care ServHome health agency · Oakbrook, IL
- Elara Caring IxHome health agency · Huntley, IL
- Empower Home Health ServicesHome health agency · West Dundee, IL
- Home Care ExpertsHome health agency · Burr Ridge, IL
- Journeycare - BarringtonHospice · Barrington, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 internal medicine physicians in Crystal Lake · All internal medicine physicians in Illinois