Quick answers
- Which hospitals does William M. Bartoli work at?
- Medicare's official clinician data lists William M. Bartoli at 2 hospitals: Mercy Health Saint Mary's and Trinity Health Muskegon Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William M. Bartoli see patients?
- Medicare's clinician data lists 5 practice locations, including Grand Rapids, MI, Muskegon, MI and Brighton, MI. Call before your visit to confirm the address.
- What is William M. Bartoli's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does William M. Bartoli accept Medicare assignment?
- Yes. Medicare's clinician data says William M. Bartoli 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 M. Bartoli?
- (616) 410-7701, as listed in official Medicare / NPI Registry data.
- What is William M. Bartoli's NPI number?
- 1447689997. 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 M. Bartoli works
Medicare's Facility Affiliation Data lists William M. Bartoli at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Health Saint Mary'sGrand Rapids, MI · Acute Care Hospital · CCN 230059
- Trinity Health Muskegon HospitalMuskegon, MI · Acute Care Hospital · CCN 230066
Practice locations
Addresses where William M. Bartoli is enrolled with Medicare (CMS data updated 2026-10-02).
- 1471 E Beltline Ave NE, Suite 202Grand Rapids, MI 49525 (616) 410‑7701
- 1670 E Sherman Blvd, Suite 100Muskegon, MI 49444 (231) 672‑3600
- 2006 Holton Rd, Suite 500Muskegon, MI 49445 (231) 370‑1280
- 2305 Genoa Bus Park DrBrighton, MI 48114
- 3380 44th St SW, Suite 100 Trinity Health Urgent Care RivertGrandville, MI 49418 (616) 410‑7703
Group practices
Medicare enrollment lists William M. Bartoli as a member of this group (CMS data updated 2026-10-02).
- Iha Health Services Corporation1,168 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447689997 |
| 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