Andrew James Landis, MD
NPI 1467428425ActiveIndividual· Internal Medicine· Fredonia, NY
Internal Medicine (MD) with Great Lakes Physician Practice PC, practicing in Fredonia, New York. Their prescriptions cost Medicare Part D more than their services did: $1,225,688 for 8,943 claims, against $71,374 paid for services in 2024. Lilly USA, LLC reported $17.07 in payments in 2025, mostly food and beverage. Lists Brooks-Tlc Hospital System, Inc and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1467428425 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 28, 2006 |
| Last updated in NPPES | Jan 25, 2024 |
| Certified by provider | Apr 11, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 191665-01 | NY |
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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 183 |
|---|---|
| Services billed | 1,914 across 51 procedure codes |
| Paid by Medicare | $71,374 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,943 · 21,354 30-day fills |
|---|---|
| Patients | 469 |
| Total drug cost | $1,225,688 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Great Lakes Physician Practice PCDunkirk, NY · 144 clinicians
Hospital affiliations
- Brooks-Tlc Hospital System, IncDunkirk, NY
- Upmc Chautauqua at WcaJamestown, NY
- Westfield Memorial Hospital, IncWestfield, NY
Other facilities
- Vna of Western Ny ChhaHome health agency · Cheektowaga, NY
- Willcare Chha (Buffalo)Home health agency · Amherst, NY
Industry payments (Open Payments)
- 2025$17.07 · 1 payment from 1 company
- 2024$37.90 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $17.07 | 1 |
What the 2025 payments were for
- Food and Beverage$17.07 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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