Quick answers
- Which hospitals does Calvin E. Atwell work at?
- Medicare's official clinician data lists Calvin E. Atwell at 5 hospitals: Genesis Hlth System dba Genesis MDL Ctr-Illini, Genesis Medical Center-Davenport, MercyOne Clinton Medical Center, OSF Saint Luke Medical Center and Trinity Muscatine. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Calvin E. Atwell see patients?
- Medicare's clinician data lists 9 practice locations, including Kewanee, IL, Davenport, IA and Clinton, IA. Call before your visit to confirm the address.
- What is Calvin E. Atwell's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Calvin E. Atwell accept Medicare assignment?
- Yes. Medicare's clinician data says Calvin E. Atwell 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 Calvin E. Atwell?
- (309) 852-7500, as listed in official Medicare / NPI Registry data.
- What is Calvin E. Atwell's NPI number?
- 1972574028. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Calvin E. Atwell works
Medicare's Facility Affiliation Data lists Calvin E. Atwell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Genesis Hlth System dba Genesis MDL Ctr-IlliniSilvis, IL · Acute Care Hospital · CCN 140275
- Genesis Medical Center-DavenportDavenport, IA · Acute Care Hospital · CCN 160033
- MercyOne Clinton Medical CenterClinton, IA · Acute Care Hospital · CCN 160080
- OSF Saint Luke Medical CenterKewanee, IL · Critical Access Hospital · CCN 141325
- Trinity MuscatineMuscatine, IA · Acute Care Hospital · CCN 160013
Practice locations
Addresses where Calvin E. Atwell is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 9; the Medicare profile lists all.
- 1051 W S StKewanee, IL 61443 (309) 852‑7500
- 1227 E Rusholme StDavenport, IA 52803
- 1227 E Rusholme St, Mercyone GenesisDavenport, IA 52803 (563) 421‑1000
- 1410 N 4th StClinton, IA 52732 (563) 244‑5900
- 1518 Mulberry AveMuscatine, IA 52761
Group practices
Medicare enrollment lists Calvin E. Atwell as a member of these groups (CMS data updated 2026-10-02).
- Genesis Health System261 clinicians in the group
- OSF Healthcare System95 clinicians in the group
- Unity Healthcare67 clinicians in the group
- Mercy Specialty Clinic65 clinicians in the group
- Kewanee Hospital27 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1981 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972574028 |
| 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