Quick answers
- Which hospitals does Michael I. Maitar work at?
- Medicare's official clinician data lists Michael I. Maitar at 5 hospitals: Bellin Memorial Hospital, Decatur Memorial Hospital, St Marys Hospital Medical Center, St Vincent Hospital and UW Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael I. Maitar see patients?
- Medicare's clinician data lists 6 practice locations, including Rockford, IL, Green Bay, WI and Decatur, IL. Call before your visit to confirm the address.
- What is Michael I. Maitar's specialty?
- Medicare lists Gastroenterology as the primary specialty, and also Internal Medicine.
- Does Michael I. Maitar accept Medicare assignment?
- Yes. Medicare's clinician data says Michael I. Maitar 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 Michael I. Maitar?
- (815) 489-4400, as listed in official Medicare / NPI Registry data.
- What is Michael I. Maitar's NPI number?
- 1619019304. 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 I. Maitar works
Medicare's Facility Affiliation Data lists Michael I. Maitar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bellin Memorial HospitalGreen Bay, WI · Acute Care Hospital · CCN 520049
- Decatur Memorial HospitalDecatur, IL · Acute Care Hospital · CCN 140135
- St Marys Hospital Medical CenterGreen Bay, WI · Acute Care Hospital · CCN 520097
- St Vincent HospitalGreen Bay, WI · Acute Care Hospital · CCN 520075
- UW HealthRockford, IL · Acute Care Hospital · CCN 140228
Practice locations
Addresses where Michael I. Maitar is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1401 E State StRockford, IL 61104 (815) 489‑4400
- 1726 Shawano AveGreen Bay, WI 54303 (920) 496‑4700
- 304 W Hay St, Suite 313Decatur, IL 62526 (217) 876‑5500
- 315 W Carpenter StSpringfield, IL 62702 (217) 545‑8000
- 725 S Webster Ave, Suite 303Green Bay, WI 54301 (920) 431‑5650
Group practices
Medicare enrollment lists Michael I. Maitar as a member of these groups (CMS data updated 2026-10-02).
- Bellin Memorial Hospital Inc697 clinicians in the group
- St Vincent Hospital-Hospital Sisters-Third Order of St Francis603 clinicians in the group
- Swedishamerican Hospital389 clinicians in the group
- SIU Physicians and Surgeons Inc314 clinicians in the group
- Decatur Memorial Hospital174 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Rockford
Clinicians with the same Medicare primary specialty in Rockford, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619019304 |
| 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