Daniel Dilling, MD
NPI 1659358539ActiveIndividual· Internal Medicine, Critical Care Medicine· Maywood, IL
Internal Medicine, Critical Care Medicine (MD) in Maywood, Illinois, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $4,283,216 for 3,400 claims, against $74,302 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. was the largest of 6 companies reporting payments in 2025, $59,662 in all, mostly speaking and faculty fees.
Overview
| NPI | 1659358539 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 30, 2005 |
| Last updated in NPPES | Jun 24, 2021 |
| Certified by provider | Jun 24, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | 36104271 | IL |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 36104271 | 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 | 300 |
|---|---|
| Services billed | 1,216 across 33 procedure codes |
| Paid by Medicare | $74,302 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,400 · 5,920 30-day fills |
|---|---|
| Patients | 227 |
| Total drug cost | $4,283,216 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Internal Medicine |
Medical group
- Loyola University Medical CenterMaywood, IL · 953 clinicians
Hospital affiliations
- Advocate Good Shepherd HospitalBarrington, IL
- Loyola University Medical CenterMaywood, IL
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Saint Francis Medical CenterPeoria, IL
Industry payments (Open Payments)
- 2025$59,662 · 53 payments from 6 companies
- 2024$18,810 · 26 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boehringer Ingelheim Pharmaceuticals, Inc. | $59,410 | 47 |
| Genentech USA, Inc. | $124.90 | 1 |
| United Therapeutics Corporation | $62.66 | 2 |
| Sanofi-Aventis U.S. LLC | $28.24 | 1 |
| Kamada Ltd. | $20.50 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$28,325 · 6 payments
- Consulting Fee$23,525 · 3 payments
- Travel and Lodging$6,141 · 19 payments
- Food and Beverage$1,671 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Critical Care Medicine providers in Maywood
- 1063152205
- 1013994995
- 1043297997
- 1255593034
- 1598983967
- 1144883083
- 1265926349
- 1629055579
- 1801873757
All Internal Medicine, Critical Care Medicine providers in Illinois →