Quick answers
- Which hospitals does Mathew B. Day work at?
- Medicare's official clinician data lists Mathew B. Day at 5 hospitals: CHI Health Good Samaritan, CHI Health St. Francis, Howard County Medical Center, Portneuf Medical Center and York General Health Care Services. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mathew B. Day see patients?
- Medicare's clinician data lists 1 practice location in Grand Island, NE. Call before your visit to confirm the address.
- What is Mathew B. Day's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mathew B. Day accept Medicare assignment?
- Yes. Medicare's clinician data says Mathew B. Day accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Mathew B. Day?
- (308) 384-4600, as listed in official Medicare / NPI Registry data.
- What is Mathew B. Day's NPI number?
- 1619357191. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mathew B. Day works
Medicare's Facility Affiliation Data lists Mathew B. Day at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CHI Health Good SamaritanKearney, NE · Acute Care Hospital · CCN 280009
- CHI Health St. FrancisGrand Island, NE · Acute Care Hospital · CCN 280023
- Howard County Medical CenterSt Paul, NE · Critical Access Hospital · CCN 281338
- Portneuf Medical CenterPocatello, ID · Acute Care Hospital · CCN 130028
- York General Health Care ServicesYork, NE · Critical Access Hospital · CCN 281336
Practice locations
Addresses where Mathew B. Day is enrolled with Medicare (CMS data updated 2026-10-02).
- 2620 W Faidley Ave, St Francis Medical CenterGrand Island, NE 68803 (308) 384‑4600
Group practices
Medicare enrollment lists Mathew B. Day as a member of this group (CMS data updated 2026-10-02).
- CHI Health Clinic Specialty LLC320 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Grand Island
Clinicians with the same Medicare primary specialty in Grand Island, NE — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619357191 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians