Quick answers
- Which hospitals does William Simonson work at?
- Medicare's official clinician data lists William Simonson at 5 hospitals: Deaconess Medical Center, Multicare Good Samaritan Hospital, St Michael Medical Center, St. Mary's Hospital and Tacoma General Allenmore Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William Simonson see patients?
- Medicare's clinician data lists 3 practice locations, including Nogales, AZ, Auburn, WA and Tacoma, WA. Call before your visit to confirm the address.
- What is William Simonson's specialty?
- Medicare lists Pathology as the primary specialty.
- Does William Simonson accept Medicare assignment?
- Yes. Medicare's clinician data says William Simonson 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 Simonson?
- (844) 344-4209, as listed in official Medicare / NPI Registry data.
- What is William Simonson's NPI number?
- 1306080262. 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 Simonson works
Medicare's Facility Affiliation Data lists William Simonson at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Deaconess Medical CenterSpokane, WA · Acute Care Hospital · CCN 500044
- Multicare Good Samaritan HospitalPuyallup, WA · Acute Care Hospital · CCN 500079
- St Michael Medical CenterSilverdale, WA · Acute Care Hospital · CCN 500039
- St. Mary's HospitalTucson, AZ · Acute Care Hospital · CCN 030010
- Tacoma General Allenmore HospitalTacoma, WA · Acute Care Hospital · CCN 500129
Practice locations
Addresses where William Simonson is enrolled with Medicare (CMS data updated 2026-10-02).
- 1171 W Target Range RdNogales, AZ 85621 (844) 344‑4209
- 202 N Division StAuburn, WA 98001 (253) 545‑2440
- 315 Martin Luther King Jr Way, Ms 315 P4 LabTacoma, WA 98405 (253) 403‑4573
Group practices
Medicare enrollment lists William Simonson as a member of this group (CMS data updated 2026-10-02).
- Cellnetix Pathology PLLC59 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Nogales
Clinicians with the same Medicare primary specialty in Nogales, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306080262 |
| 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