Quick answers
- Does Rebecca L. Larson accept Medicare assignment?
- Medicare's clinician data says Rebecca L. Larson may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Rebecca L. Larson see?
- In 2024, CMS data shows 354 Original Medicare patients and 642 services for Rebecca L. Larson. This counts Original Medicare only and measures volume, not quality.
- What is Rebecca L. Larson's NPI number?
- 1841239910. 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 Rebecca L. 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 | 354 |
|---|---|
| Services billed to Medicare | 642 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient complete exam of visual system (92014)284 services
- Photography of the retina (92250)85 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)76 services
- Imaging of optic nerve (92133)59 services
- Exam of visual field with extended testing (92083)36 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 pressure64%
- Arthritis36%
- Diabetes21%
- Ischemic heart disease20%
- Anxiety19%
Practice locations
Addresses where Rebecca L. Larson is enrolled with Medicare (CMS data updated October 2, 2026).
- 1700 S Highline AveSioux Falls, SD 57110 (605) 274‑7201
- 5129 S Western AveSioux Falls, SD 57108 (605) 332‑2231
Group practices
Medicare enrollment lists Rebecca L. Larson as a member of these groups (CMS data updated October 2, 2026).
- Eyecare Specialties of South Dakota PC9 clinicians in the group
- Howlin Vision Clinic PC7 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Sioux Falls
Clinicians with the same Medicare primary specialty in Sioux Falls, SD — not a recommendation.
Other clinicians in Eyecare Specialties of South Dakota PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | Southern California College Of Optometry |
| Graduation year | 2005 (21 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1841239910 |
| 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
- 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