Mathew Boyd Day, M.D.
NPI 1619357191ActiveIndividual· Internal Medicine· Grand Island, NE
Internal Medicine (M.D.) in Grand Island, Nebraska, trained at University of Nebraska College of Medicine (class of 2015). 196 Medicare patients in 2024, $47,888 paid; nearly all of their 370 Part D prescriptions were generic (92%).
Overview
| NPI | 1619357191 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 1, 2015 |
| Last updated in NPPES | Jan 29, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 30968 | NE |
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 (NE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 196 |
|---|---|
| Services billed | 623 across 14 procedure codes |
| Paid by Medicare | $47,888 |
Part D prescriptions in 2024
| Prescriptions (claims) | 370 · 397 30-day fills |
|---|---|
| Patients | 97 |
| Total drug cost | $13,313 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Nebraska College of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Internal Medicine |
Medical group
- Chi Health Clinic Specialty LLCNorth Platte, NE · 320 clinicians
Hospital affiliations
- Chi Health Good SamaritanKearney, NE
- Chi Health St. FrancisGrand Island, NE
- Howard County Medical CenterSt Paul, NE
- Portneuf Medical CenterPocatello, ID
- York General Health Care ServicesYork, NE
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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