Quick answers
- Does Ronald S. Demeyer accept Medicare assignment?
- Medicare's clinician data says Ronald S. Demeyer may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Ronald S. Demeyer see?
- In 2024, CMS data shows 104 Original Medicare patients and 159 services for Ronald S. Demeyer. This counts Original Medicare only and measures volume, not quality.
- What is Ronald S. Demeyer's NPI number?
- 1548958648. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Ronald S. Demeyer, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 104 |
|---|---|
| Services billed to Medicare | 159 |
| Different services or procedures | 14 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Emergency department visit with moderate level of medical decision making (99284)40 services
- Emergency department visit with high level of medical decision making (99285)37 services
- Critical care, first 30-74 minutes (99291)31 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)24 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol72%
- Arthritis47%
- Diabetes44%
- Anxiety41%
- Ischemic heart disease37%
Hospitals where Ronald S. Demeyer works
Medicare's Facility Affiliation Data lists Ronald S. Demeyer at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Jefferson HospitalLouisville, GA · Acute Care Hospital · Emergency services: listed by Medicare · CCN 110100
- Jenkins County Medical CenterMillen, GA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 111311
Practice locations
Addresses where Ronald S. Demeyer is enrolled with Medicare (CMS data updated October 2, 2026).
- 1067 Peachtree StLouisville, GA 30434 (478) 625‑7000
- 931 E Winthrope AveMillen, GA 30442 (912) 557‑1207
Group practices
Medicare enrollment lists Ronald S. Demeyer as a member of these groups (CMS data updated October 2, 2026).
- Southland Consolidated Emergency Services LLC69 clinicians in the group
- Southland Optim Jenkins Emergency Medical Services, LLC18 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Louisville
Clinicians with the same Medicare primary specialty in Louisville, GA — not a recommendation.
Other clinicians in Southland Consolidated Emergency Services LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1548958648 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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