Quick answers
- Does Stacie A. Lenssen accept Medicare assignment?
- Yes. Medicare's clinician data says Stacie A. Lenssen 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 Stacie A. Lenssen see?
- In 2024, CMS data shows 203 Original Medicare patients and 7,832 services for Stacie A. Lenssen. This counts Original Medicare only and measures volume, not quality.
- What is Stacie A. Lenssen's NPI number?
- 1215994769. 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 Stacie A. Lenssen, 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 | 203 |
|---|---|
| Services billed to Medicare | 7,832 |
| Different services or procedures | 127 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, denosumab, 1 mg (J0897)1,320 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)367 services
- Insertion of needle into vein for collection of blood sample (36415)354 services
- Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)331 services
- Blood test, lipids (cholesterol and triglycerides) (80061)227 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%
- Arthritis33%
- Depression29%
- Osteoporosis28%
- Diabetes27%
Hospitals where Stacie A. Lenssen works
Medicare's Facility Affiliation Data lists Stacie A. Lenssen 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.
- Prairie Lakes Healthcare System, IncWatertown, SD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 430005
Practice locations
Addresses where Stacie A. Lenssen is enrolled with Medicare (CMS data updated October 2, 2026).
- 506 1st Ave SEWatertown, SD 57201 (605) 886‑8482
Group practices
Medicare enrollment lists Stacie A. Lenssen as a member of this group (CMS data updated October 2, 2026).
- Prairie Lakes Health Care System Inc109 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Watertown
Clinicians with the same Medicare primary specialty in Watertown, SD — not a recommendation.
Other clinicians in Prairie Lakes Health Care System Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1215994769 |
| 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