Quick answers
- Which hospitals does Marco A. Barzallo work at?
- Medicare's official clinician data lists Marco A. Barzallo at 5 hospitals: Carle Eureka Hospital, Graham Hospital Association, OSF Saint Luke Medical Center, Saint Francis Medical Center and St Mary Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marco A. Barzallo see patients?
- Medicare's clinician data lists 8 practice locations, including Monmouth, IL, Kewanee, IL and Streator, IL. Call before your visit to confirm the address.
- What is Marco A. Barzallo's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Marco A. Barzallo accept Medicare assignment?
- Yes. Medicare's clinician data says Marco A. Barzallo 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 Marco A. Barzallo offer telehealth?
- Medicare's clinician data says Marco A. Barzallo offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marco A. Barzallo?
- (309) 734-3141, as listed in official Medicare / NPI Registry data.
- What is Marco A. Barzallo's NPI number?
- 1316971823. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marco A. Barzallo works
Medicare's Facility Affiliation Data lists Marco A. Barzallo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Carle Eureka HospitalEureka, IL · Critical Access Hospital · CCN 141309
- Graham Hospital AssociationCanton, IL · Acute Care Hospital · CCN 140001
- OSF Saint Luke Medical CenterKewanee, IL · Critical Access Hospital · CCN 141325
- Saint Francis Medical CenterPeoria, IL · Acute Care Hospital · CCN 140067
- St Mary Medical CenterGalesburg, IL · Acute Care Hospital · CCN 140064
Practice locations
Addresses where Marco A. Barzallo is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1000 W Harlem AveMonmouth, IL 61462 (309) 734‑3141
- 1051 W S StKewanee, IL 61443 (309) 852‑7500
- 111 Spring StStreator, IL 61364 (815) 673‑2311
- 3315 N Seminary StGalesburg, IL 61401 (309) 344‑1000
- 3333 N Seminary StGalesburg, IL 61401 (309) 344‑3161
Group practices
Medicare enrollment lists Marco A. Barzallo as a member of this group (CMS data updated 2026-10-02).
- OSF Multi-Specialty Group2,114 clinicians in the group
Specialties
Other interventional cardiologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1316971823 |
| 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