Quick answers
- Does Margaret R. Elsner accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret R. Elsner accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Margaret R. Elsner see?
- In 2024, CMS data shows 187 Original Medicare patients and 201 services for Margaret R. Elsner. This counts Original Medicare only and measures volume, not quality.
- What is Margaret R. Elsner's NPI number?
- 1922483551. 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 Margaret R. Elsner, 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 | 187 |
|---|---|
| Services billed to Medicare | 201 |
| Different services or procedures | 62 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Repair of groin hernia (5 years or older) (49505)20 services
- Removal of gallbladder with x-ray study of bile ducts using an endoscope (47563)16 services
- Removal of gallbladder using an endoscope (47562)12 services
- Repair of hernia of muscle at esophagus and stomach using an endoscope (43281)11 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 cholesterol75%
- Arthritis52%
- Ischemic heart disease40%
- Anxiety36%
- Chronic kidney disease36%
Hospitals where Margaret R. Elsner works
Medicare's Facility Affiliation Data lists Margaret R. Elsner 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.
- Ascension St Vincent EvansvilleEvansville, IN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 150100
- Deaconess Hospital IncEvansville, IN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 150082
Practice locations
Addresses where Margaret R. Elsner is enrolled with Medicare (CMS data updated October 2, 2026).
- 1125 Professional BlvdEvansville, IN 47714 (812) 424‑8231
- 4011 Gateway BlvdNewburgh, IN 47630 (812) 424‑8231
- 4199 Gateway BlvdNewburgh, IN 47630 (812) 424‑8231
- 520 Mary St, Suite 520Evansville, IN 47710 (812) 424‑8231
- 600 Mary StEvansville, IN 47710 (812) 424‑8231
Group practices
Medicare enrollment lists Margaret R. Elsner as a member of this group (CMS data updated October 2, 2026).
- Evansville Surgical Associates Inc43 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Evansville
Clinicians with the same Medicare primary specialty in Evansville, IN — not a recommendation.
Other clinicians in Evansville Surgical Associates Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2015 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922483551 |
| 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