Quick answers
- Which hospitals does John Mannschreck work at?
- Medicare's official clinician data lists John Mannschreck at 3 hospitals: Cascade Valley Hospital, Island Hospital and Skagit Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John Mannschreck see patients?
- Medicare's clinician data lists 1 practice location in Anacortes, WA. Call before your visit to confirm the address.
- What is John Mannschreck's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does John Mannschreck accept Medicare assignment?
- Yes. Medicare's clinician data says John Mannschreck 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 John Mannschreck?
- (360) 424-6161, as listed in official Medicare / NPI Registry data.
- What is John Mannschreck's NPI number?
- 1942251376. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John Mannschreck works
Medicare's Facility Affiliation Data lists John Mannschreck at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cascade Valley HospitalArlington, WA · Acute Care Hospital · CCN 500060
- Island HospitalAnacortes, WA · Acute Care Hospital · CCN 500007
- Skagit Valley HospitalMount Vernon, WA · Acute Care Hospital · CCN 500003
Practice locations
Addresses where John Mannschreck is enrolled with Medicare (CMS data updated 2026-10-02).
- 1211 24th StAnacortes, WA 98221 (360) 424‑6161
Group practices
Medicare enrollment lists John Mannschreck as a member of this group (CMS data updated 2026-10-02).
- Skagit Radiology Inc P S40 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1942251376 |
| 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