Michael John Lillestol, M.D.
NPI 1669427688ActiveIndividual· Internal Medicine· Fargo, ND
Internal Medicine (M.D.) in Fargo, North Dakota, trained at University of North Dakota School of Medicine (class of 1974). Their prescriptions cost Medicare Part D more than their services did: $454,819 for 4,387 claims, against $85,996 paid for services in 2024. Astellas Pharma US Inc was the largest of 10 companies reporting payments in 2025, $185.97 in all, mostly food and beverage.
Overview
| NPI | 1669427688 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 25, 2006 |
| Last updated in NPPES | Aug 27, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4830 | ND |
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 - Internal Medicine (ND) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 559 |
|---|---|
| Services billed | 3,044 across 89 procedure codes |
| Paid by Medicare | $85,996 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,387 · 8,875 30-day fills |
|---|---|
| Patients | 457 |
| Total drug cost | $454,819 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of North Dakota School of Medicine |
|---|---|
| Graduation year | 1974 |
| Medicare specialty | Internal Medicine |
Medical group
- Internal Medicine Associates IncFargo, ND · 13 clinicians
Hospital affiliations
- Essentia HealthFargo, ND
- Essentia Health St Marys - Detroit LakesDetroit Lakes, MN
- Sanford Medical Center FargoFargo, ND
Other facilities
- Ethos Home HealthHome health agency · Fargo, ND
- Sanford Home Care FargoHome health agency · Fargo, ND
Industry payments (Open Payments)
- 2025$185.97 · 10 payments from 10 companies
- 2024$2,819 · 23 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $25.37 | 1 |
| Abbvie Inc. | $25.15 | 1 |
| Philips North America LLC | $23.38 | 1 |
| Boston Scientific Corporation | $21.45 | 1 |
| Madrigal Pharmaceuticals | $21.29 | 1 |
What the 2025 payments were for
- Food and Beverage$185.97 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 140 internal medicine physicians in Fargo · All internal medicine physicians in North Dakota