Quick answers
- Which hospitals does Michael S. Mattia Jr. work at?
- Medicare's official clinician data lists Michael S. Mattia Jr. at 2 hospitals: Grand Itasca Clinic and Hospital and North Memorial Health Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael S. Mattia Jr. see patients?
- Medicare's clinician data lists 1 practice location in Grand Rapids, MN. Call before your visit to confirm the address.
- What is Michael S. Mattia Jr.'s specialty?
- Medicare lists Family Practice as the primary specialty, and also Hospitalist.
- Does Michael S. Mattia Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Michael S. Mattia Jr. 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.
- Does Michael S. Mattia Jr. offer telehealth?
- Medicare's clinician data says Michael S. Mattia Jr. offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michael S. Mattia Jr.?
- (218) 326-3401, as listed in official Medicare / NPI Registry data.
- What is Michael S. Mattia Jr.'s NPI number?
- 1619536331. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael S. Mattia Jr. works
Medicare's Facility Affiliation Data lists Michael S. Mattia Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Grand Itasca Clinic and HospitalGrand Rapids, MN · Acute Care Hospital · CCN 240064
- North Memorial Health HospitalRobbinsdale, MN · Acute Care Hospital · CCN 240001
Practice locations
Addresses where Michael S. Mattia Jr. is enrolled with Medicare (CMS data updated 2026-10-02).
- 1601 Golf Course RdGrand Rapids, MN 55744 (218) 326‑3401
Group practices
Medicare enrollment lists Michael S. Mattia Jr. as a member of this group (CMS data updated 2026-10-02).
- Grand Itasca Clinic and Hospital323 clinicians in the group
Specialties
- Family Practiceprimary
- Hospitalistalso
Other family doctors in Grand Rapids
Clinicians with the same Medicare primary specialty in Grand Rapids, MN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1619536331 |
| 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