Quick answers
- Does Rachel J. Sunne accept Medicare assignment?
- Yes. Medicare's clinician data says Rachel J. Sunne 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 Rachel J. Sunne see?
- In 2024, CMS data shows 452 Original Medicare patients and 63,649 services for Rachel J. Sunne. This counts Original Medicare only and measures volume, not quality.
- What is Rachel J. Sunne's NPI number?
- 1851634406. 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 Rachel J. Sunne, 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 | 452 |
|---|---|
| Services billed to Medicare | 63,649 |
| Different services or procedures | 153 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Injection, heparin sodium, (heparin lock flush), per 10 units (J1642)5,100 services
- Injection, denosumab, 1 mg (J0897)1,080 services
- Insertion of needle into vein for collection of blood sample (36415)336 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)264 services
- Blood test, comprehensive group of blood chemicals (80053)183 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 cholesterol73%
- High blood pressure72%
- Arthritis42%
- Diabetes31%
- Anxiety27%
- Ischemic heart disease26%
Hospitals where Rachel J. Sunne works
Medicare's Facility Affiliation Data lists Rachel J. Sunne 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 McKennan Hospital & University Health CenterSioux Falls, SD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 430016
- Brookings Health SystemBrookings, SD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 430008
Practice locations
Addresses where Rachel J. Sunne is enrolled with Medicare (CMS data updated October 2, 2026).
- 300 W 5th StMiller, SD 57362 (605) 853‑0158
- 310 22nd AveBrookings, SD 57006
- 310 S Penn StAberdeen, SD 57401
- 400 22nd AveBrookings, SD 57006 (605) 697‑9500
- 400 22nd Ave, Suite 1Brookings, SD 57006 (605) 697‑9500
Group practices
Medicare enrollment lists Rachel J. Sunne as a member of these groups (CMS data updated October 2, 2026).
- Avera McKennan959 clinicians in the group
- Rural Health Care Inc154 clinicians in the group
- City of Brookings115 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in South Dakota
Clinicians with the same Medicare primary specialty in South Dakota — not a recommendation.
Other clinicians in Avera McKennan
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Sanford School Of Medicine Of University Of South Dakota |
| Graduation year | 2013 (13 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851634406 |
| 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