Ewa H. Schafer, MD
NPI 1053436345ActiveIndividual· Allergy & Immunology· Glenview, IL
Allergy & Immunology (MD) in Glenview, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $629,000 for 1,167 claims, against $20,801 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 8 companies reporting payments in 2025, $40,091 in all, mostly speaking and faculty fees.
Overview
| NPI | 1053436345 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 19, 2007 |
| Last updated in NPPES | Apr 28, 2026 |
| Certified by provider | Apr 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | 036112175 | 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 - Allergy/Immunology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 127 |
|---|---|
| Services billed | 379 across 13 procedure codes |
| Paid by Medicare | $20,801 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,167 · 2,015 30-day fills |
|---|---|
| Patients | 190 |
| Total drug cost | $629,000 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Allergy/Immunology |
| Telehealth | Offers telehealth |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliations
- Northshore University Healthsystem - Evanston HospitalEvanston, IL
- Swedish HospitalChicago, IL
Industry payments (Open Payments)
- 2025$40,091 · 45 payments from 8 companies
- 2024$34,244 · 42 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $15,946 | 13 |
| Glaxosmithkline, LLC. | $15,091 | 16 |
| Genzyme Corporation | $8,452 | 9 |
| Novartis Pharmaceuticals Corporation | $150.02 | 2 |
| Ars Pharmaceuticals Operations, Inc. | $128.80 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$34,198 · 15 payments
- Consulting Fee$2,665 · 3 payments
- Travel and Lodging$1,627 · 11 payments
- Food and Beverage$1,601 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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