Ilja Faibussowitsch, MD
NPI 1740220193ActiveIndividual· Internal Medicine, Pulmonary Disease· Chicago, IL
Internal Medicine, Pulmonary Disease (MD) with Respiratory, Critical Care and Sleep Specialists, LLC, practicing in Chicago, Illinois. In 2024 Medicare paid $224,773 for 554 patients, and Part D covered 218 of their prescriptions, 34% of them generic. Verathon Inc. was the largest of 15 companies reporting payments in 2025, $2,339 in all, mostly food and beverage. Lists Advocate Lutheran General Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1740220193 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | Oct 30, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 036094678 | IL |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 55021 | AZ |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 55021 | AZ |
| Internal Medicine, Sleep Medicine | 207RS0012X | 55021 | AZ |
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 | 554 |
|---|---|
| Services billed | 2,682 across 29 procedure codes |
| Paid by Medicare | $224,773 |
Part D prescriptions in 2024
| Prescriptions (claims) | 218 · 265 30-day fills |
|---|---|
| Patients | 38 |
| Total drug cost | $259,461 |
| Generic share | 34% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists) |
Medical group
- Respiratory, Critical Care and Sleep Specialists, LLCDes Plaines, IL · 9 clinicians
Hospital affiliations
- Advocate Lutheran General HospitalPark Ridge, IL
- Amita Health Resurrection Medical CenterChicago, IL
- Community First Medical CenterChicago, IL
- Northwest Community Hospital 1Arlington Heights, IL
- West Suburban Medical CenterOak Park, IL
Industry payments (Open Payments)
- 2025$2,339 · 70 payments from 15 companies
- 2024$701.14 · 28 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Verathon Inc. | $900.00 | 1 |
| Glaxosmithkline, LLC. | $303.74 | 16 |
| Astrazeneca Pharmaceuticals LP | $262.96 | 6 |
| Insmed, Inc. | $231.35 | 13 |
| Philips North America LLC | $182.12 | 8 |
What the 2025 payments were for
- Food and Beverage$1,439 · 69 payments
- Consulting Fee$900.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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