Quick answers
- Which hospitals does Marc G. Boyer work at?
- Medicare's official clinician data lists Marc G. Boyer at 3 hospitals: HSHS St Elizabeth's Hospital, St Joseph's Hospital and Touchette Regional Hospital Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marc G. Boyer see patients?
- Medicare's clinician data lists 2 practice locations, including East Saint Louis, IL and Belleville, IL. Call before your visit to confirm the address.
- What is Marc G. Boyer's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Marc G. Boyer accept Medicare assignment?
- Yes. Medicare's clinician data says Marc G. Boyer 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 Marc G. Boyer?
- (618) 271-9191, as listed in official Medicare / NPI Registry data.
- What is Marc G. Boyer's NPI number?
- 1912090838. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marc G. Boyer works
Medicare's Facility Affiliation Data lists Marc G. Boyer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- HSHS St Elizabeth's HospitalO Fallon, IL · Acute Care Hospital · CCN 140187
- St Joseph's HospitalHighland, IL · Critical Access Hospital · CCN 141336
- Touchette Regional Hospital IncCentreville, IL · Acute Care Hospital · CCN 140077
Practice locations
Addresses where Marc G. Boyer is enrolled with Medicare (CMS data updated 2026-10-02).
- 2001 State StEast Saint Louis, IL 62205 (618) 271‑9191
- 311 W Lincoln St, Suite 200Belleville, IL 62220 (618) 213‑7943
Group practices
Medicare enrollment lists Marc G. Boyer as a member of this group (CMS data updated 2026-10-02).
- Southern Illinois Healthcare Foundation Inc119 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in East Saint Louis
Clinicians with the same Medicare primary specialty in East Saint Louis, IL — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912090838 |
| 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