Quick answers
- Which hospitals does Maddi A. Massa work at?
- Medicare's official clinician data lists Maddi A. Massa at 2 hospitals: Corewell Health Watervliet Hospital and Lakeland Hospital, St Joseph. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Maddi A. Massa see patients?
- Medicare's clinician data lists 1 practice location in Watervliet, MI. Call before your visit to confirm the address.
- What is Maddi A. Massa's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Maddi A. Massa accept Medicare assignment?
- Yes. Medicare's clinician data says Maddi A. Massa 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 Maddi A. Massa?
- (954) 939-5000, as listed in official Medicare / NPI Registry data.
- What is Maddi A. Massa's NPI number?
- 1356702567. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Maddi A. Massa works
Medicare's Facility Affiliation Data lists Maddi A. Massa at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Corewell Health Watervliet HospitalWatervliet, MI · Acute Care Hospital · CCN 230078
- Lakeland Hospital, St JosephSt Joseph, MI · Acute Care Hospital · CCN 230021
Practice locations
Addresses where Maddi A. Massa is enrolled with Medicare (CMS data updated 2026-10-02).
- 400 Medical Park DrWatervliet, MI 49098 (954) 939‑5000
Group practices
Medicare enrollment lists Maddi A. Massa as a member of this group (CMS data updated 2026-10-02).
- Epmg Southwest Michigan PLLC45 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Michigan
Clinicians with the same Medicare primary specialty in Michigan — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356702567 |
| 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