Quick answers
- Does Abby M. Gietzen accept Medicare assignment?
- Yes. Medicare's clinician data says Abby M. Gietzen 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 Abby M. Gietzen see?
- In 2024, CMS data shows 486 Original Medicare patients and 2,269 services for Abby M. Gietzen. This counts Original Medicare only and measures volume, not quality.
- What is Abby M. Gietzen's NPI number?
- 1205225661. 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 Abby M. Gietzen, 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 | 486 |
|---|---|
| Services billed to Medicare | 2,269 |
| Different services or procedures | 54 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)858 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)401 services
- Destruction of precancer skin growth, 1 growth (17000)285 services
- Destruction of skin growth, 1-14 growths (17110)191 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)123 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 cholesterol72%
- High blood pressure65%
- Arthritis33%
- Anxiety22%
- Diabetes20%
- Ischemic heart disease19%
Hospitals where Abby M. Gietzen works
Medicare's Facility Affiliation Data lists Abby M. Gietzen 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.
- Ortonville Area Health ServicesOrtonville, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241342
- Prairie Lakes Healthcare System, IncWatertown, SD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 430005
- Sanford Usd Medical CenterSioux Falls, SD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 430027
Practice locations
Addresses where Abby M. Gietzen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1201 Mickelson DrWatertown, SD 57201 (605) 882‑4743
- 172 4th St SEHuron, SD 57350 (605) 353‑6200
- 401 9th Ave NWWatertown, SD 57201 (605) 882‑7000
- 6701 S Minnesota AveSioux Falls, SD 57108 (605) 322‑6960
- 922 22nd Ave SBrookings, SD 57006 (605) 697‑1900
Group practices
Medicare enrollment lists Abby M. Gietzen as a member of these groups (CMS data updated October 2, 2026).
- Avera McKennan959 clinicians in the group
- Prairie Lakes Health Care System Inc109 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Watertown
Clinicians with the same Medicare primary specialty in Watertown, SD — not a recommendation.
Other clinicians in Avera McKennan
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205225661 |
| 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