Quick answers
- Which hospitals does Michael A. Masteller work at?
- Medicare's official clinician data lists Michael A. Masteller at 4 hospitals: CGH Medical Center, FHN Memorial Hospital, Javon Bea Hospital and Mercy Health System Corp. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael A. Masteller see patients?
- Medicare's clinician data lists 1 practice location in Rockford, IL. Call before your visit to confirm the address.
- What is Michael A. Masteller's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Michael A. Masteller accept Medicare assignment?
- Yes. Medicare's clinician data says Michael A. Masteller 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 A. Masteller?
- (815) 971-2000, as listed in official Medicare / NPI Registry data.
- What is Michael A. Masteller's NPI number?
- 1497196455. 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 A. Masteller works
Medicare's Facility Affiliation Data lists Michael A. Masteller at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- CGH Medical CenterSterling, IL · Acute Care Hospital · CCN 140043
- FHN Memorial HospitalFreeport, IL · Acute Care Hospital · CCN 140160
- Javon Bea HospitalRockford, IL · Acute Care Hospital · closed, according to its website · CCN 140239
- Mercy Health System CorpJanesville, WI · Acute Care Hospital · CCN 520066
Practice locations
Addresses where Michael A. Masteller is enrolled with Medicare (CMS data updated 2026-10-02).
- 2300 N Rockton AveRockford, IL 61103 (815) 971‑2000
Group practices
Medicare enrollment lists Michael A. Masteller as a member of this group (CMS data updated 2026-10-02).
- Rockford Health Physicians521 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Rockford
Clinicians with the same Medicare primary specialty in Rockford, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497196455 |
| 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