Cynthia Ann Wollenschlager, M.D.
NPI 1124086087ActiveIndividual· Internal Medicine, Infectious Disease· Downers Grove, IL
Internal Medicine, Infectious Disease (M.D.) in Downers Grove, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1981). In 2024 Medicare paid $45,728 for 324 patients, and Part D covered 1,057 of their prescriptions, 88% of them generic. Cipher Pharmaceuticals US LLC reported $35.33 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1124086087 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 2, 2006 |
| Last updated in NPPES | Sep 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | 036-065297 | IL |
| Internal Medicine | 207R00000X | 036-065297 | 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 | 324 |
|---|---|
| Services billed | 1,461 across 66 procedure codes |
| Paid by Medicare | $45,728 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,057 · 1,110 30-day fills |
|---|---|
| Patients | 352 |
| Total drug cost | $19,425 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Infectious Disease |
Medical group
- Dupage Immediate Care, LtdOak Brook, IL · 3 clinicians
Hospital affiliation
- Northwestern Medicine Central Dupage HospitalWinfield, IL
Industry payments (Open Payments)
- 2025$35.33 · 5 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Cipher Pharmaceuticals US LLC | $35.33 | 5 |
What the 2025 payments were for
- Food and Beverage$35.33 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other infectious disease specialists in Downers Grove
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