Thomas Fitzgerald O'Connell, MD
NPI 1639564347ActiveIndividual· Internal Medicine, Cardiovascular Disease· Elk Grove Village, IL
Internal Medicine, Cardiovascular Disease (MD) in Elk Grove Village, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2015). 1,422 Medicare patients in 2024, $215,289 paid; nearly all of their 2,302 Part D prescriptions were generic (93%). Edwards Lifesciences Corporation was the largest of 2 companies reporting payments in 2025, $1,356 in all, mostly food and beverage.
Overview
| NPI | 1639564347 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 30, 2015 |
| Last updated in NPPES | Jan 26, 2023 |
| Certified by provider | Jan 26, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 036158079 | 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 - Cardiovascular Disease (Cardiology) (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,422 |
|---|---|
| Services billed | 3,423 across 51 procedure codes |
| Paid by Medicare | $215,289 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,302 · 5,580 30-day fills |
|---|---|
| Patients | 323 |
| Total drug cost | $199,980 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Alexian Brothers Specialty GroupElk Grove Village, IL · 46 clinicians
Hospital affiliations
- Alexian Brothers Medical Center 1Elk Grove Village, IL
- Northwest Community Hospital 1Arlington Heights, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- St Alexius Medical CenterHoffman Estates, IL
Industry payments (Open Payments)
- 2025$1,356 · 14 payments from 2 companies
- 2024$1,983 · 14 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Edwards Lifesciences Corporation | $1,328 | 13 |
| Abbott Laboratories | $27.87 | 1 |
What the 2025 payments were for
- Food and Beverage$1,005 · 13 payments
- Travel and Lodging$351.03 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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