Sarah A. Reiffenberger, MD

Medicare activity in 2024

Official CMS public-use data for Sarah A. Reiffenberger, 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.

Most frequent services

1. Insertion of needle into vein for collection of blood sample (36415)373 services
2. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)349 services
3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)259 services
4. Blood test, comprehensive group of blood chemicals (80053)241 services
5. Blood test, lipids (cholesterol and triglycerides) (80061)223 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%
• Arthritis25%
• Diabetes22%
• Depression21%
• Anxiety20%

Hospitals where Sarah A. Reiffenberger works

Medicare's Facility Affiliation Data lists Sarah A. Reiffenberger 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 Sarah A. Reiffenberger is enrolled with Medicare (CMS data updated October 2, 2026).

• 506 1st Ave SEWatertown, SD 57201 (605) 886‑8482
• 511 14th Ave NEWatertown, SD 57201 (605) 886‑8482

Group practices

Medicare enrollment lists Sarah A. Reiffenberger as a member of these groups (CMS data updated October 2, 2026).

• Prairie Lakes Health Care System Inc109 clinicians in the group
• Brown Clinic PLLP7 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in South Dakota →

Other family doctors in Watertown

Clinicians with the same Medicare primary specialty in Watertown, SD — not a recommendation.

• Daniel H. Reiffenberger, MD
• Alexandra Gauer, DO
• Jonathan M. McAreavey, MD
• Douglas J. Olson, MD
• Pastel A. Fligge, MD
• Joseph P. Oro, MD
• Aaron B. Shives, MD
• Gregory R. Larson, MD

All family doctors in Watertown →

Other clinicians in Prairie Lakes Health Care System Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• John J. Kinross-Wright, MD
• Andrew R. Gough, DO
• Alexandra Gauer, DO
• Gregory M. Gerrish, MD
• Mark E. Schulz, CNA
• Derek G. Kindelspire, MD

Clinician information

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

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians