Andrew J. Leiker
NPI 1568859023ActiveIndividual· Radiology, Radiation Oncology· Columbia, MO
Radiology, Radiation Oncology in Columbia, Missouri, trained at Medical College of Wisconsin (class of 2015). In 2024 Medicare paid $479,148 for 585 patients, and Part D covered 116 of their prescriptions, 88% of them generic. Gt Medical Technologies, Inc was the largest of 26 companies reporting payments in 2025, $2,242 in all, mostly food and beverage.
Overview
| NPI | 1568859023 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 22, 2015 |
| Last updated in NPPES | Feb 17, 2025 |
| Certified by provider | Feb 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Radiation Oncology Primary | 2085R0001X | 2019043653 | MO |
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 - Radiation Oncology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 585 |
|---|---|
| Services billed | 3,886 across 43 procedure codes |
| Paid by Medicare | $479,148 |
Part D prescriptions in 2024
| Prescriptions (claims) | 116 · 147 30-day fills |
|---|---|
| Patients | 62 |
| Total drug cost | $2,898 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Radiation Oncology |
Medical groups
- The Curators of the University of MissouriColumbia, MO · 1,131 clinicians
- Lake Regional Health SystemOsage Beach, MO · 138 clinicians
- Missouri Cancer Associates LLCColumbia, MO · 22 clinicians
Hospital affiliations
- Boone Hospital CenterColumbia, MO
- Lake Regional Health SystemOsage Beach, MO
- University of Missouri Health CareColumbia, MO
Industry payments (Open Payments)
- 2025$2,242 · 82 payments from 26 companies
- 2024$1,865 · 86 payments from 29 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gt Medical Technologies, Inc | $300.53 | 2 |
| Astrazeneca Pharmaceuticals LP | $215.74 | 12 |
| Janssen Biotech, Inc. | $179.27 | 9 |
| Merck Sharp & Dohme LLC | $175.10 | 9 |
| Lilly USA, LLC | $161.49 | 4 |
What the 2025 payments were for
- Food and Beverage$2,106 · 80 payments
- Education$136.88 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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