Catherine Jane Thomas, M.D.
NPI 1013362888ActiveIndividual· Ophthalmology· Chicago, IL
Ophthalmology (M.D.) with Cook County, practicing in Chicago, Illinois. Their prescriptions cost Medicare Part D more than their services did: $110,544 for 156 claims, against $27,851 paid for services in 2024. Apellis Pharmaceuticals, Inc. reported $33.09 in payments in 2025, mostly food and beverage. Lists John H Stroger Jr Hospital as a hospital affiliation.
Overview
| NPI | 1013362888 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 29, 2016 |
| Last updated in NPPES | Aug 7, 2020 |
| Certified by provider | Aug 7, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 036152053 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Ophthalmology (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 197 |
|---|---|
| Services billed | 416 across 11 procedure codes |
| Paid by Medicare | $27,851 |
Part D prescriptions in 2024
| Prescriptions (claims) | 156 · 240 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $110,544 |
| Generic share | 50% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Cook CountyChicago, IL · 788 clinicians
Hospital affiliation
- John H Stroger Jr HospitalChicago, IL
Industry payments (Open Payments)
- 2025$33.09 · 1 payment from 1 company
- 2024$336.36 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Apellis Pharmaceuticals, Inc. | $33.09 | 1 |
What the 2025 payments were for
- Food and Beverage$33.09 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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