Quick answers
- Which hospitals does Jacob A. Groen work at?
- Medicare's official clinician data lists Jacob A. Groen at 2 hospitals: Mercy Medical Center - Cedar Rapids and Yakima Valley Memorial. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jacob A. Groen see patients?
- Medicare's clinician data lists 1 practice location in Yakima, WA. Call before your visit to confirm the address.
- What is Jacob A. Groen's specialty?
- Medicare lists Family Practice as the primary specialty, and also Psychiatry.
- Does Jacob A. Groen accept Medicare assignment?
- Yes. Medicare's clinician data says Jacob A. Groen 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 Jacob A. Groen?
- (509) 575-8000, as listed in official Medicare / NPI Registry data.
- What is Jacob A. Groen's NPI number?
- 1184248841. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jacob A. Groen works
Medicare's Facility Affiliation Data lists Jacob A. Groen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Medical Center - Cedar RapidsCedar Rapids, IA · Acute Care Hospital · CCN 160079
- Yakima Valley MemorialYakima, WA · Acute Care Hospital · CCN 500036
Practice locations
Addresses where Jacob A. Groen is enrolled with Medicare (CMS data updated 2026-10-02).
- 2811 Tieton DrYakima, WA 98902 (509) 575‑8000
Group practices
Medicare enrollment lists Jacob A. Groen as a member of this group (CMS data updated 2026-10-02).
- Yakima Valley Memorial Physicians391 clinicians in the group
Specialties
- Family Practiceprimary
- Psychiatryalso
Other family doctors in Yakima
Clinicians with the same Medicare primary specialty in Yakima, WA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184248841 |
| 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