Quick answers
- Which hospitals does William C. Grillo work at?
- Medicare's official clinician data lists William C. Grillo at 4 hospitals: Ely - Bloomenson Community Hospital, Essentia Health Duluth, Grand Itasca Clinic and Hospital and Range Regional Health Services. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William C. Grillo see patients?
- Medicare's clinician data lists 8 practice locations, including Duluth, MN, Virginia, MN and Grand Rapids, MN. Call before your visit to confirm the address.
- What is William C. Grillo's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does William C. Grillo accept Medicare assignment?
- Yes. Medicare's clinician data says William C. Grillo 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 C. Grillo?
- (218) 722-5513, as listed in official Medicare / NPI Registry data.
- What is William C. Grillo's NPI number?
- 1497413710. 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 C. Grillo works
Medicare's Facility Affiliation Data lists William C. Grillo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Ely - Bloomenson Community HospitalEly, MN · Critical Access Hospital · CCN 241318
- Essentia Health DuluthDuluth, MN · Acute Care Hospital · CCN 240019
- Grand Itasca Clinic and HospitalGrand Rapids, MN · Acute Care Hospital · CCN 240064
- Range Regional Health ServicesHibbing, MN · Acute Care Hospital · CCN 240040
Practice locations
Addresses where William C. Grillo is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1000 E 1st StDuluth, MN 55805 (218) 722‑5513
- 1405 Progress Pkwy, Suite 1Virginia, MN 55792 (218) 722‑5513
- 1600 Miller Trunk HwyDuluth, MN 55811 (218) 786‑5360
- 1600 Miller Trunk Hwy, Bldg CDuluth, MN 55811 (218) 786‑5360
- 1601 Golf Course RdGrand Rapids, MN 55744 (218) 326‑3401
Group practices
Medicare enrollment lists William C. Grillo as a member of these groups (CMS data updated 2026-10-02).
- The Duluth Clinic Ltd1,144 clinicians in the group
- Polinsky Medical Rehabilitation Center382 clinicians in the group
- Range Regional Health Services353 clinicians in the group
- Grand Itasca Clinic and Hospital323 clinicians in the group
- Orthopedic Associates of Duluth PA37 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Duluth
Clinicians with the same Medicare primary specialty in Duluth, MN — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497413710 |
| 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