Quick answers
- Does Mario J. Gumina accept Medicare assignment?
- Yes. Medicare's clinician data says Mario J. Gumina accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Mario J. Gumina's NPI number?
- 1730822859. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mario J. Gumina works
Medicare's Facility Affiliation Data lists Mario J. Gumina at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Astria Sunnyside HospitalSunnyside, WA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 501330
Practice locations
Addresses where Mario J. Gumina is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 Wallace WayGrandview, WA 98930 (509) 882‑3444
- 240 Division StGrandview, WA 98930 (509) 882‑4700
Group practices
Medicare enrollment lists Mario J. Gumina as a member of this group (CMS data updated October 2, 2026).
- Yakima Valley Farm Workers Clinic273 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Grandview
Clinicians with the same Medicare primary specialty in Grandview, WA — not a recommendation.
Other clinicians in Yakima Valley Farm Workers Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2022 (4 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1730822859 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- 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