Quick answers
- Does Lisa M. Kollis-Young accept Medicare assignment?
- Medicare's clinician data says Lisa M. Kollis-Young may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Lisa M. Kollis-Young see?
- In 2024, CMS data shows 329 Original Medicare patients and 684 services for Lisa M. Kollis-Young. This counts Original Medicare only and measures volume, not quality.
- What is Lisa M. Kollis-Young's NPI number?
- 1609869262. 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 Lisa M. Kollis-Young, 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 | 329 |
|---|---|
| Services billed to Medicare | 684 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient complete exam of visual system (92014)285 services
- Photography of the retina (92250)125 services
- Exam of visual field with extended testing (92083)54 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)54 services
- Imaging of optic nerve (92133)52 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 cholesterol75%
- High blood pressure64%
- Arthritis40%
- Osteoporosis27%
- Diabetes24%
- Chronic kidney disease18%
Practice locations
Addresses where Lisa M. Kollis-Young is enrolled with Medicare (CMS data updated October 2, 2026).
- 227 S Phillips AveSioux Falls, SD 57104 (605) 367‑9620
- 5129 S Western AveSioux Falls, SD 57108 (605) 332‑2231
Group practices
Medicare enrollment lists Lisa M. Kollis-Young 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 | Pacific University - College Of Optometry |
| Graduation year | 1995 (31 years since optometry school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1609869262 |
| 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