John R. Gleason, MD
NPI 1912990532ActiveIndividual· Family Medicine· Sandwich, IL
Family Medicine (MD) in Sandwich, Illinois, trained at Southern Illinois University School of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $525,167 for 8,919 claims, against $105,916 paid for services in 2024.
Overview
| NPI | 1912990532 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2005 |
| Last updated in NPPES | Jan 26, 2021 |
| Certified by provider | Jan 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036081119 | 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 - Family Practice (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 368 |
|---|---|
| Services billed | 1,588 across 34 procedure codes |
| Paid by Medicare | $105,916 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,919 · 17,837 30-day fills |
|---|---|
| Patients | 606 |
| Total drug cost | $525,167 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Southern Illinois University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Family Practice |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Edward HospitalNaperville, IL
- Northwestern Medicine Kishwaukee HospitalDekalb, IL
- Swedish HospitalChicago, IL
- Valley West Community HospitalSandwich, IL
Other facilities
- Dmj Home Health Services, IncHome health agency · Aurora, IL
- Dover Home Health Il Chicago Metro LLCHome health agency · Woodridge, IL
- Osf Healthcare Home CareHome health agency · Loves Park, IL
- Residential Home HealthHome health agency · Lisle, IL
- Resilience Home Health, LLCHome health agency · Aurora, IL
- Unity Hospice of Western IllinoisHospice · Rochelle, 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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