Quick answers
- Which hospitals does Dai Wei Zhang work at?
- Medicare's official clinician data lists Dai Wei Zhang at 5 hospitals: Marshfield Medical Center, Marshfield Medical Center - Eau Claire, Marshfield Medical Center - Minocqua, Marshfield Medical Center - Rice Lake and Marshfield Medical Center - Weston. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Dai Wei Zhang see patients?
- Medicare's clinician data lists 1 practice location in Simi Valley, CA. Call before your visit to confirm the address.
- What is Dai Wei Zhang's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Dai Wei Zhang accept Medicare assignment?
- Yes. Medicare's clinician data says Dai Wei Zhang 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 Dai Wei Zhang?
- (800) 782-8581, as listed in official Medicare / NPI Registry data.
- What is Dai Wei Zhang's NPI number?
- 1871693143. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Dai Wei Zhang works
Medicare's Facility Affiliation Data lists Dai Wei Zhang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Marshfield Medical CenterMarshfield, WI · Acute Care Hospital · CCN 520037
- Marshfield Medical Center - Eau ClaireEau Claire, WI · Acute Care Hospital · CCN 520210
- Marshfield Medical Center - MinocquaMinocqua, WI · Acute Care Hospital · CCN 520212
- Marshfield Medical Center - Rice LakeRice Lake, WI · Acute Care Hospital · CCN 520011
- Marshfield Medical Center - WestonWeston, WI · Acute Care Hospital · CCN 520202
Practice locations
Addresses where Dai Wei Zhang is enrolled with Medicare (CMS data updated 2026-10-02).
- 686 Oak Tree CtSimi Valley, CA 93065 (800) 782‑8581
Group practices
Medicare enrollment lists Dai Wei Zhang as a member of this group (CMS data updated 2026-10-02).
- Marshfield Clinic Inc207 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Simi Valley
Clinicians with the same Medicare primary specialty in Simi Valley, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871693143 |
| 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