Quick answers
- Which hospitals does Robert J. Isner work at?
- Medicare's official clinician data lists Robert J. Isner at 1 hospital: Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert J. Isner see patients?
- Medicare's clinician data lists 1 practice location in Renton, WA. Call before your visit to confirm the address.
- What is Robert J. Isner's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Robert J. Isner accept Medicare assignment?
- Yes. Medicare's clinician data says Robert J. Isner 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 Robert J. Isner?
- (800) 540-1814, as listed in official Medicare / NPI Registry data.
- What is Robert J. Isner's NPI number?
- 1508977968. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert J. Isner works
Medicare's Facility Affiliation Data lists Robert J. Isner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Valley Medical CenterRenton, WA · Acute Care Hospital · CCN 500088
Practice locations
Addresses where Robert J. Isner is enrolled with Medicare (CMS data updated 2026-10-02).
- 400 S 43rd StRenton, WA 98055 (800) 540‑1814
Group practices
Medicare enrollment lists Robert J. Isner as a member of this group (CMS data updated 2026-10-02).
- Valley Anesthesia Associates PLLC44 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Renton
Clinicians with the same Medicare primary specialty in Renton, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1508977968 |
| 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