Quick answers
- Does Carolyn J. Larson accept Medicare assignment?
- Yes. Medicare's clinician data says Carolyn J. Larson 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 Carolyn J. Larson see?
- In 2024, CMS data shows 62 Original Medicare patients and 66 services for Carolyn J. Larson. This counts Original Medicare only and measures volume, not quality.
- What is Carolyn J. Larson's NPI number?
- 1760709240. 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 Carolyn J. Larson, 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 | 62 |
|---|---|
| Services billed to Medicare | 66 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Anesthesia for lens surgery (00142)19 services
- Anesthesia for exam of colon using an endoscope (00812)17 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%
- Arthritis40%
- Diabetes35%
- Ischemic heart disease26%
- Chronic kidney disease26%
Hospitals where Carolyn J. Larson works
Medicare's Facility Affiliation Data lists Carolyn J. Larson 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.
- Pipestone County Medical CenterPipestone, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241374
Practice locations
Addresses where Carolyn J. Larson is enrolled with Medicare (CMS data updated October 2, 2026).
- 1018 6th AveWorthington, MN 56187 (507) 372‑3800
- 910 E 20th StSioux Falls, SD 57105 (605) 334‑6730
- 916 4th Ave SWPipestone, MN 56164
- 916 4th Ave SW, 220 Specialty ClinicPipestone, MN 56164 (507) 825‑5700
- 916 SW 4th AvePipestone, MN 56164 (507) 825‑5811
Group practices
Medicare enrollment lists Carolyn J. Larson as a member of these groups (CMS data updated October 2, 2026).
- Sanford Health Network351 clinicians in the group
- Sioux Falls Specialty Hospital, LLP52 clinicians in the group
- Pipestone County Medical Center29 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Minnesota →
Other nurse anesthetists in Worthington
Clinicians with the same Medicare primary specialty in Worthington, MN — not a recommendation.
Other clinicians in Sanford Health Network
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1760709240 |
| 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