Quick answers
- Which hospitals does Ruben Krishnananthan work at?
- Medicare's official clinician data lists Ruben Krishnananthan at 5 hospitals: Providence Holy Cross Medical Center, Providence Regional Medical Center Everett, Providence Santa Rosa Memorial Hospital, Swedish Medical Center and Yakima Valley Memorial. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ruben Krishnananthan see patients?
- Medicare's clinician data lists 17 practice locations, including Kirkland, WA, Seattle, WA and Everett, WA. Call before your visit to confirm the address.
- What is Ruben Krishnananthan's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty, and also Nuclear Medicine.
- Does Ruben Krishnananthan accept Medicare assignment?
- Yes. Medicare's clinician data says Ruben Krishnananthan 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 Ruben Krishnananthan?
- (425) 952-6100, as listed in official Medicare / NPI Registry data.
- What is Ruben Krishnananthan's NPI number?
- 1891807863. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ruben Krishnananthan works
Medicare's Facility Affiliation Data lists Ruben Krishnananthan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Holy Cross Medical CenterMission Hills, CA · Acute Care Hospital · CCN 050278
- Providence Regional Medical Center EverettEverett, WA · Acute Care Hospital · CCN 500014
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA · Acute Care Hospital · CCN 050174
- Swedish Medical CenterSeattle, WA · Acute Care Hospital · CCN 500027
- Yakima Valley MemorialYakima, WA · Acute Care Hospital · CCN 500036
Practice locations
Addresses where Ruben Krishnananthan is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 17; the Medicare profile lists all.
- 11521 NE 128th St, Suite 200Kirkland, WA 98034 · Evergreen Radia LLC (425) 952‑6100
- 1229 Madison St, Suite 900Seattle, WA 98104 · Radia Imaging Center Holdings LLC (206) 292‑6233
- 13020 Meridian Ave SEverett, WA 98208 (425) 357‑3960
- 1593 E Polston AvePost Falls, ID 83854 (208) 262‑2300
- 1600 E Jefferson St, Suite 300Seattle, WA 98122 (206) 386‑2677
Group practices
Medicare enrollment lists Ruben Krishnananthan as a member of these groups (CMS data updated 2026-10-02).
- Swedish Health Services1,037 clinicians in the group
- County of Santa Clara1,022 clinicians in the group
- Optum Care Washington PLLC683 clinicians in the group
- Yakima Valley Memorial Physicians391 clinicians in the group
- Swedish Health Services385 clinicians in the group
- Radia Inc P S277 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
- Nuclear Medicinealso
Other radiologists in Kirkland
Clinicians with the same Medicare primary specialty in Kirkland, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891807863 |
| 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