Catherine Chu, M.D.
NPI 1043586035ActiveIndividual· Family Medicine· Oswego, IL
Family Medicine (M.D.) in Oswego, Illinois, trained at Medical College of Wisconsin (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $134,098 for 1,915 claims, against $28,228 paid for services in 2024. Pfizer Inc. reported $17.54 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1043586035 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 24, 2012 |
| Last updated in NPPES | Dec 6, 2021 |
| Certified by provider | Dec 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 036149122 | IL |
| Family Medicine | 207Q00000X | 61748-20 | WI |
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 | 75 |
|---|---|
| Services billed | 396 across 22 procedure codes |
| Paid by Medicare | $28,228 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,915 · 4,757 30-day fills |
|---|---|
| Patients | 154 |
| Total drug cost | $134,098 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Family Practice |
Medical group
- Advocate Health and Hospitals CorporationChicago, IL · 3,118 clinicians
Hospital affiliation
- Advocate Good Samaritan HospitalDowners Grove, IL
Other facilities
- Advocate Home Health Care ServHome health agency · Oakbrook, IL
Industry payments (Open Payments)
- 2025$17.54 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $17.54 | 1 |
What the 2025 payments were for
- Food and Beverage$17.54 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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