Fabian Nalichowski, MD
NPI 1689297996ActiveIndividual· Internal Medicine· Owosso, MI
Internal Medicine (MD) with Central Dupage Physician Group, practicing in Owosso, Michigan. 167 Medicare patients in 2024, $48,274 paid; nearly all of their 231 Part D prescriptions were generic (93%). Lists Northwestern Medicine Kishwaukee Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1689297996 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 20, 2020 |
| Last updated in NPPES | Aug 28, 2025 |
| Certified by provider | Aug 28, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301509670 | MI |
| Hospitalist | 208M00000X | 036176782 | 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 - Hospitalist (IL); Practitioner - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 167 |
|---|---|
| Services billed | 549 across 12 procedure codes |
| Paid by Medicare | $48,274 |
Part D prescriptions in 2024
| Prescriptions (claims) | 231 · 244 30-day fills |
|---|---|
| Patients | 133 |
| Total drug cost | $8,503 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Central Dupage Physician GroupGeneva, IL · 1,080 clinicians
Hospital affiliations
- Northwestern Medicine Kishwaukee HospitalDekalb, IL
- Valley West Community HospitalSandwich, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 internal medicine physicians in Owosso · All internal medicine physicians in Michigan