Thomas L. Michalsen, D.O.
NPI 1114947876ActiveIndividual· General Practice· Kirkland, IL
General Practice (D.O.) in Kirkland, Illinois, trained at Midwestern University, Chicago College of Osteopathic Med (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $4,474,111 for 63,580 claims, against $211,399 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $560.34 in all, mostly food and beverage.
Overview
| NPI | 1114947876 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2006 |
| Last updated in NPPES | Aug 22, 2022 |
| Certified by provider | Aug 22, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| General Practice Primary | 208D00000X | 036066772 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Practice (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 967 |
|---|---|
| Services billed | 2,917 across 44 procedure codes |
| Paid by Medicare | $211,399 |
Part D prescriptions in 2024
| Prescriptions (claims) | 63,580 · 77,751 30-day fills |
|---|---|
| Patients | 1,732 |
| Total drug cost | $4,474,111 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | General Practice |
Medical group
- Select Rehabilitation, LLCGlenview, IL · 2,046 clinicians
Hospital affiliations
- Elmhurst Memorial HospitalElmhurst, IL
- Northwestern Medicine Kishwaukee HospitalDekalb, IL
- Rochelle Community HospitalRochelle, IL
- Saint Anthony Medical CenterRockford, IL
- Uw HealthRockford, IL
Other facilities
- Astra Health WestHome health agency · Elgin, IL
- Auxilium Healthcare Services, IncHome health agency · South Barrington, IL
- Osf Healthcare Home CareHome health agency · Loves Park, IL
- Mo Chara Hospice LLCHospice · Cherry Valley, IL
- Osf HospiceHospice · Loves Park, IL
- Sanctuary HospiceHospice · Westchester, IL
- United Hospice, IncHospice · Park Ridge, IL
- Unity Hospice of Western IllinoisHospice · Rochelle, IL
- Belvidere Health and RehabNursing home · Belvidere, IL
- Forest City Rehab & Nrsg CtrNursing home · Rockford, IL
- Neighbors Health CenterNursing home · Byron, IL
- River Bluff Nursing HomeNursing home · Rockford, IL
- The Sapphire at Maple CrestNursing home · Belvidere, IL
Industry payments (Open Payments)
- 2025$560.34 · 38 payments from 4 companies
- 2024$381.87 · 28 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $333.83 | 26 |
| Lilly USA, LLC | $164.34 | 6 |
| Cipher Pharmaceuticals US LLC | $43.08 | 5 |
| Teva Pharmaceuticals USA, Inc. | $19.09 | 1 |
What the 2025 payments were for
- Food and Beverage$560.34 · 38 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other general practitioners in Kirkland
- 1841214368