Quick answers
- Which hospitals does William J. Mullin work at?
- Medicare's official clinician data lists William J. Mullin at 1 hospital: Sioux Falls Specialty Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William J. Mullin see patients?
- Medicare's clinician data lists 10 practice locations, including Maplewood, MN, Saint Paul, MN and Blaine, MN. Call before your visit to confirm the address.
- What is William J. Mullin's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does William J. Mullin accept Medicare assignment?
- Yes. Medicare's clinician data says William J. Mullin 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 William J. Mullin?
- (651) 294-4639, as listed in official Medicare / NPI Registry data.
- What is William J. Mullin's NPI number?
- 1891762688. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William J. Mullin works
Medicare's Facility Affiliation Data lists William J. Mullin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sioux Falls Specialty HospitalSioux Falls, SD · Acute Care Hospital · CCN 430090
Practice locations
Addresses where William J. Mullin is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 1790 Beam AveMaplewood, MN 55109 (651) 294‑4639
- 2270 Ford Pkwy, Suite 202Saint Paul, MN 55116 (651) 455‑5500
- 2305 108th Ln NEBlaine, MN 55449 (763) 278‑4429
- 3809 Tantalus DrHonolulu, HI 96822 (952) 738‑4441
- 3833 Coon Rapids Blvd NW, Suite 120Coon Rapids, MN 55433 (763) 433‑2000
Group practices
Medicare enrollment lists William J. Mullin as a member of this group (CMS data updated 2026-10-02).
- Medical Scanning Consultants PA84 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Maplewood
Clinicians with the same Medicare primary specialty in Maplewood, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Un Of California, Irvine, College Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891762688 |
| 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