Alison Linn Sage, D.O.
NPI 1427495241ActiveIndividual· Family Medicine· Oak Park, IL
Family Medicine (D.O.) in Oak Park, Illinois, trained at Midwestern University, Chicago College of Osteopathic Med (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $237,313 for 2,663 claims, against $40,648 paid for services in 2024. Coopersurgical, Inc. was the largest of 2 companies reporting payments in 2025, $83.83 in all, mostly food and beverage.
Overview
| NPI | 1427495241 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Jun 3, 2013 |
| Last updated in NPPES | Feb 9, 2026 |
| Certified by provider | Feb 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036139049 | 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 | 135 |
|---|---|
| Services billed | 447 across 28 procedure codes |
| Paid by Medicare | $40,648 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,663 · 6,328 30-day fills |
|---|---|
| Patients | 244 |
| Total drug cost | $237,313 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Edward HospitalNaperville, IL
- Elmhurst Memorial HospitalElmhurst, IL
- Rush Oak Park HospitalOak Park, IL
Industry payments (Open Payments)
- 2025$83.83 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Coopersurgical, Inc. | $59.13 | 3 |
| Pacira Pharmaceuticals Incorporated | $24.70 | 1 |
What the 2025 payments were for
- Food and Beverage$83.83 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in Oak Park
- 1093154809
- 1104389816
- 1154752814
- 1164415808
- 1205872462
- 1346516655
- 1427038033
- 1427251792
- 1558368043
- 1568409720
- 1700370988
- 1730747924
All 100 family medicine physicians in Oak Park · All family medicine physicians in Illinois