Quick answers
- Which hospitals does Jonathan Alfert work at?
- Medicare's official clinician data lists Jonathan Alfert at 5 hospitals: Olympic Medical Center, Providence Regional Medical Center Everett, Providence Santa Rosa Memorial Hospital, Swedish Edmonds Hospital and Swedish Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jonathan Alfert see patients?
- Medicare's clinician data lists 1 practice location in Reston, VA. Call before your visit to confirm the address.
- What is Jonathan Alfert's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty, and also Nuclear Medicine.
- Does Jonathan Alfert accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan Alfert 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 Jonathan Alfert?
- (425) 563-1500, as listed in official Medicare / NPI Registry data.
- What is Jonathan Alfert's NPI number?
- 1932133832. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jonathan Alfert works
Medicare's Facility Affiliation Data lists Jonathan Alfert at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Olympic Medical CenterPort Angeles, WA · Acute Care Hospital · CCN 500072
- Providence Regional Medical Center EverettEverett, WA · Acute Care Hospital · CCN 500014
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA · Acute Care Hospital · CCN 050174
- Swedish Edmonds HospitalEdmonds, WA · Acute Care Hospital · CCN 500026
- Swedish Medical CenterSeattle, WA · Acute Care Hospital · CCN 500027
Practice locations
Addresses where Jonathan Alfert is enrolled with Medicare (CMS data updated 2026-10-02).
- 11990 Market St, Unit 1815Reston, VA 20190 (425) 563‑1500
Group practices
Medicare enrollment lists Jonathan Alfert as a member of these groups (CMS data updated 2026-10-02).
- Radia Inc P S277 clinicians in the group
- Radia California Radiology Medical Group Inc136 clinicians in the group
- Evergreen Radia LLC120 clinicians in the group
- South Sound Radiologists Inc P S78 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
- Nuclear Medicinealso
Other radiologists in Reston
Clinicians with the same Medicare primary specialty in Reston, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932133832 |
| 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