Quick answers
- Which hospitals does Colin C. Eash work at?
- Medicare's official clinician data lists Colin C. Eash at 5 hospitals: OSF Saint Elizabeth MDL Ctr, OSF Saint Katharine Medical Center, OSF Saint Paul Medical Center, Rochelle Community Hospital and Saint Anthony Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Colin C. Eash see patients?
- Medicare's clinician data lists 2 practice locations, including Rockford, IL and Peoria, IL. Call before your visit to confirm the address.
- What is Colin C. Eash's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Colin C. Eash accept Medicare assignment?
- Yes. Medicare's clinician data says Colin C. Eash 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 Colin C. Eash?
- (815) 921-8929, as listed in official Medicare / NPI Registry data.
- What is Colin C. Eash's NPI number?
- 1811524390. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Colin C. Eash works
Medicare's Facility Affiliation Data lists Colin C. Eash at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- OSF Saint Elizabeth MDL CtrPeru, IL · Acute Care Hospital · CCN 140110
- OSF Saint Katharine Medical CenterDixon, IL · Acute Care Hospital · CCN 140012
- OSF Saint Paul Medical CenterMendota, IL · Critical Access Hospital · CCN 141310
- Rochelle Community HospitalRochelle, IL · Critical Access Hospital · CCN 141312
- Saint Anthony Medical CenterRockford, IL · Acute Care Hospital · CCN 140233
Practice locations
Addresses where Colin C. Eash is enrolled with Medicare (CMS data updated 2026-10-02).
- 5666 E State StRockford, IL 61108 (815) 921‑8929
- 8600 State Route 91, Suite 130Peoria, IL 61615 (309) 683‑5050
Group practices
Medicare enrollment lists Colin C. Eash as a member of this group (CMS data updated 2026-10-02).
- OSF Multi-Specialty Group2,114 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Rockford
Clinicians with the same Medicare primary specialty in Rockford, IL — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811524390 |
| 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