Quick answers
- Does Jill L. Larsen accept Medicare assignment?
- Yes. Medicare's clinician data says Jill L. Larsen 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 Jill L. Larsen see?
- In 2024, CMS data shows 383 Original Medicare patients and 470 services for Jill L. Larsen. This counts Original Medicare only and measures volume, not quality.
- What is Jill L. Larsen's NPI number?
- 1992036701. 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 Jill L. Larsen, 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 | 383 |
|---|---|
| Services billed to Medicare | 470 |
| Different services or procedures | 67 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (01810)37 services
- Anesthesia for other procedure on upper abdomen (00790)34 services
- Anesthesia for other closed procedure on chest (00520)26 services
- Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)24 services
- Anesthesia for procedure for total knee joint replacement (01402)22 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 cholesterol73%
- Arthritis56%
- Ischemic heart disease33%
- Diabetes28%
- Chronic kidney disease28%
Hospitals where Jill L. Larsen works
Medicare's Facility Affiliation Data lists Jill L. Larsen 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 St LukesAberdeen, SD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 430014
Practice locations
Addresses where Jill L. Larsen is enrolled with Medicare (CMS data updated October 2, 2026).
- 305 S State StAberdeen, SD 57401 (605) 622‑5251
Group practices
Medicare enrollment lists Jill L. Larsen as a member of this group (CMS data updated October 2, 2026).
- Avera St Lukes165 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Aberdeen
Clinicians with the same Medicare primary specialty in Aberdeen, SD — not a recommendation.
Other clinicians in Avera St Lukes
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 | 2006 (20 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1992036701 |
| 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