Theodore S. Ingrassia III, M.D.
NPI 1437263662ActiveIndividual· Internal Medicine, Pulmonary Disease· Rockford, IL
Internal Medicine, Pulmonary Disease (M.D.) with Osf Multi-Specialty Group, practicing in Rockford, Illinois. Their prescriptions cost Medicare Part D more than their services did: $621,249 for 1,563 claims, against $62,775 paid for services in 2024. Philips North America LLC reported $18.55 in payments in 2025, mostly food and beverage. Lists Osf Saint Katharine Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1437263662 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 17, 2006 |
| Last updated in NPPES | May 4, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 036 083892 | 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 - Pulmonary Disease (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 450 |
|---|---|
| Services billed | 1,000 across 23 procedure codes |
| Paid by Medicare | $62,775 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,563 · 2,466 30-day fills |
|---|---|
| Patients | 249 |
| Total drug cost | $621,249 |
| Generic share | 36% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
Medical group
- Osf Multi-Specialty GroupMorton, IL · 2,114 clinicians
Hospital affiliations
- Osf Saint Katharine Medical CenterDixon, IL
- Rochelle Community HospitalRochelle, IL
- Saint Anthony Medical CenterRockford, IL
Industry payments (Open Payments)
- 2025$18.55 · 1 payment from 1 company
- 2024$28.36 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Philips North America LLC | $18.55 | 1 |
What the 2025 payments were for
- Food and Beverage$18.55 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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