Quick answers
- Which hospitals does Andersen I. Grigg work at?
- Medicare's official clinician data lists Andersen I. Grigg at 5 hospitals: Kadlec Regional Medical Center, Lourdes Medical Center, Prosser Memorial Hospital, Samaritan Hospital and Trios Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Andersen I. Grigg see patients?
- Medicare's clinician data lists 5 practice locations, including Kennewick, WA and Pasco, WA. Call before your visit to confirm the address.
- What is Andersen I. Grigg's specialty?
- Medicare lists Interventional Radiology as the primary specialty.
- Does Andersen I. Grigg accept Medicare assignment?
- Yes. Medicare's clinician data says Andersen I. Grigg 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 Andersen I. Grigg?
- (509) 221-5441, as listed in official Medicare / NPI Registry data.
- What is Andersen I. Grigg's NPI number?
- 1437467354. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Andersen I. Grigg works
Medicare's Facility Affiliation Data lists Andersen I. Grigg at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kadlec Regional Medical CenterRichland, WA · Acute Care Hospital · CCN 500058
- Lourdes Medical CenterPasco, WA · Critical Access Hospital · CCN 501337
- Prosser Memorial HospitalProsser, WA · Critical Access Hospital · CCN 501312
- Samaritan HospitalMoses Lake, WA · Acute Care Hospital · CCN 500033
- Trios HealthKennewick, WA · Acute Care Hospital · CCN 500053
Practice locations
Addresses where Andersen I. Grigg is enrolled with Medicare (CMS data updated 2026-10-02).
- 3730 Plaza WayKennewick, WA 99338 (509) 221‑5441
- 3810 Plaza WayKennewick, WA 99338 (509) 221‑7000
- 520 N 4th AvePasco, WA 99301 (509) 547‑7704
- 5304 Rd, Suite 68Pasco, WA 99301 (509) 543‑9300
- 7425 Wrigley Dr, Suite 102Pasco, WA 99301 (509) 543‑7583
Group practices
Medicare enrollment lists Andersen I. Grigg as a member of this group (CMS data updated 2026-10-02).
- Kennewick Radiology Group PC38 clinicians in the group
Specialties
- Interventional Radiologyprimary
Other interventional radiologists in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Mid West Medical College |
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437467354 |
| 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