Quick answers
- Where does Ro-Kaye A. Simmonds see patients?
- Medicare's clinician data lists 2 practice locations, including Marion, IL and Carbondale, IL. Call before your visit to confirm the address.
- What is Ro-Kaye A. Simmonds's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology).
- Does Ro-Kaye A. Simmonds accept Medicare assignment?
- Yes. Medicare's clinician data says Ro-Kaye A. Simmonds 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 Ro-Kaye A. Simmonds?
- (618) 529-4455, as listed in official Medicare / NPI Registry data.
- What is Ro-Kaye A. Simmonds's NPI number?
- 1205481850. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Ro-Kaye A. Simmonds is enrolled with Medicare (CMS data updated 2026-10-02).
- 3905 W Ernestine DrMarion, IL 62959 (618) 529‑4455
- 409 W Oak StCarbondale, IL 62901 (618) 529‑4455
Group practices
Medicare enrollment lists Ro-Kaye A. Simmonds as a member of this group (CMS data updated 2026-10-02).
- Southern Illinois Medical Services NFP334 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 | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205481850 |
| 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
- 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