Quick answers
- Does Richard L. Endorf accept Medicare assignment?
- Yes. Medicare's clinician data says Richard L. Endorf 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 Richard L. Endorf see?
- In 2024, CMS data shows 1,809 Original Medicare patients and 3,194 services for Richard L. Endorf. This counts Original Medicare only and measures volume, not quality.
- What is Richard L. Endorf's NPI number?
- 1871580266. 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 Richard L. Endorf, 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 | 1,809 |
|---|---|
| Services billed to Medicare | 3,194 |
| Different services or procedures | 152 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- X-ray of chest, 1 view (71045)348 services
- Screening 3d breast mammography (77063)334 services
- Screening mammography (77067)334 services
- X-ray of chest, 2 views (71046)241 services
- Ct scan head or brain without contrast (70450)160 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 cholesterol68%
- Arthritis46%
- Diabetes30%
- Chronic kidney disease27%
- Depression26%
Hospitals where Richard L. Endorf works
Medicare's Facility Affiliation Data lists Richard L. Endorf 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.
- Avera Creighton HospitalCreighton, NE · Critical Access Hospital · Emergency services: listed by Medicare · CCN 281331
- Avera Gregory HospitalGregory, SD · Critical Access Hospital · Emergency services: listed by Medicare · CCN 431338
- Avera Sacred Heart HospitalYankton, SD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 430012
- Avera St Anthony's HospitalO' Neill, NE · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 281329
- Wagner Community Memorial Hospital - CAHWagner, SD · Critical Access Hospital · Emergency services: listed by Medicare · CCN 431315
Practice locations
Addresses where Richard L. Endorf is enrolled with Medicare (CMS data updated October 2, 2026).
- 300 N 2nd StO'Neill, NE 68763
- 300 N 2nd St, Avera Behavioral Health YanktonOneill, NE 68763 (402) 336‑2611
- 405 W Darlene St, Avera Behavioral Health YanktonHartington, NE 68739 (402) 254‑3935
- 501 Summit StYankton, SD 57078 (605) 655‑1201
Group practices
Medicare enrollment lists Richard L. Endorf as a member of this group (CMS data updated October 2, 2026).
- Sacred Heart Health Services153 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Nebraska
Clinicians with the same Medicare primary specialty in Nebraska — not a recommendation.
Other clinicians in Sacred Heart Health Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1871580266 |
| 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