Quick answers
- Which hospitals does Mario P. Zambito work at?
- Medicare's official clinician data lists Mario P. Zambito at 3 hospitals: Corewell Health Big Rapids Hospital, Holland Hospital and Spectrum Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mario P. Zambito see patients?
- Medicare's clinician data lists 3 practice locations, including Grand Rapids, MI and Kentwood, MI. Call before your visit to confirm the address.
- What is Mario P. Zambito's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty.
- Does Mario P. Zambito accept Medicare assignment?
- Yes. Medicare's clinician data says Mario P. Zambito 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 Mario P. Zambito?
- (616) 267-0115, as listed in official Medicare / NPI Registry data.
- What is Mario P. Zambito's NPI number?
- 1083078844. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mario P. Zambito works
Medicare's Facility Affiliation Data lists Mario P. Zambito at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Corewell Health Big Rapids HospitalBig Rapids, MI · Acute Care Hospital · CCN 230093
- Holland HospitalHolland, MI · Acute Care Hospital · CCN 230072
- Spectrum HealthGrand Rapids, MI · Acute Care Hospital · CCN 230038
Practice locations
Addresses where Mario P. Zambito is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 Michigan Ave NEGrand Rapids, MI 49503
- 100 Michigan St NE Rm, 280 Corewell Health Medical Group WestGrand Rapids, MI 49503 (616) 267‑0115
- 4444 Kalamazoo Ave SE, 200 Corewell Health Medical Group WestKentwood, MI 49508 (616) 391‑5600
Group practices
Medicare enrollment lists Mario P. Zambito as a member of this group (CMS data updated 2026-10-02).
- Spectrum Health Primary Care Partners2,294 clinicians in the group
Specialties
- Critical Care (Intensivists)primary
Find other Critical Care (Intensivists) doctors in Michigan →
Other critical care doctors in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Michigan State University College Of Human Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083078844 |
| 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