Michael J. Keller, M.D.
NPI 1013164086ActiveIndividual· Internal Medicine, Pulmonary Disease· Lake Forest, IL
Internal Medicine, Pulmonary Disease (M.D.) in Lake Forest, Illinois, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $3,603,662 for 3,027 claims, against $164,379 paid for services in 2024. United Therapeutics Corporation was the largest of 3 companies reporting payments in 2025, $288.97 in all, mostly food and beverage.
Overview
| NPI | 1013164086 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 21, 2008 |
| Last updated in NPPES | Jan 9, 2025 |
| Certified by provider | Jan 9, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | 036123136 | IL |
| Internal Medicine, Critical Care Medicine | 207RC0200X | 036123136 | 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 - Critical Care (Intensivists) (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 917 |
|---|---|
| Services billed | 1,919 across 47 procedure codes |
| Paid by Medicare | $164,379 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,027 · 3,868 30-day fills |
|---|---|
| Patients | 479 |
| Total drug cost | $3,603,662 |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Internal Medicine, Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Northwestern Medical Faculty FoundationChicago, IL · 4,503 clinicians
Hospital affiliations
- Northwest Community Hospital 1Arlington Heights, IL
- Northwestern Lake Forest HospitalLake Forest, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine McHenryMcHenry, IL
- Northwestern Memorial HospitalChicago, IL
Other facilities
- Marianjoy Rehabilitation CenterInpatient rehabilitation facility · Wheaton, IL
Industry payments (Open Payments)
- 2025$288.97 · 3 payments from 3 companies
- 2024$1,251 · 69 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| United Therapeutics Corporation | $150.00 | 1 |
| Actelion Pharmaceuticals US, Inc. | $121.83 | 1 |
| Regeneron Healthcare Solutions, Inc. | $17.14 | 1 |
What the 2025 payments were for
- Food and Beverage$288.97 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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