Quick answers
- Which hospitals does Ronald S. Sims work at?
- Medicare's official clinician data lists Ronald S. Sims at 2 hospitals: Finley Hospital and MercyOne Dubuque Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ronald S. Sims see patients?
- Medicare's clinician data lists 2 practice locations, including Dubuque, IA. Call before your visit to confirm the address.
- What is Ronald S. Sims's specialty?
- Medicare lists Neurology as the primary specialty, and also Sleep Medicine.
- Does Ronald S. Sims accept Medicare assignment?
- Yes. Medicare's clinician data says Ronald S. Sims 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 Ronald S. Sims?
- (563) 583-1558, as listed in official Medicare / NPI Registry data.
- What is Ronald S. Sims's NPI number?
- 1639138837. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ronald S. Sims works
Medicare's Facility Affiliation Data lists Ronald S. Sims at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Finley HospitalDubuque, IA · Acute Care Hospital · CCN 160117
- MercyOne Dubuque Medical CenterDubuque, IA · Acute Care Hospital · CCN 160069
Practice locations
Addresses where Ronald S. Sims is enrolled with Medicare (CMS data updated 2026-10-02).
- 2140 John F Kennedy Rd, Suite CDubuque, IA 52002 (563) 583‑1558
- 4135 Pennsylvania AveDubuque, IA 52002
Group practices
Medicare enrollment lists Ronald S. Sims as a member of this group (CMS data updated 2026-10-02).
- Unified Therapy Services, Inc120 clinicians in the group
Specialties
- Neurologyprimary
- Sleep Medicinealso
Other neurologists in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Tennessee, Hsc, College Of Medicine |
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639138837 |
| 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