Quick answers
- Does Theodore S. Parins accept Medicare assignment?
- Yes. Medicare's clinician data says Theodore S. Parins 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 Theodore S. Parins see?
- In 2024, CMS data shows 337 Original Medicare patients and 500 services for Theodore S. Parins. This counts Original Medicare only and measures volume, not quality.
- What is Theodore S. Parins's NPI number?
- 1437168473. 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 Theodore S. Parins, 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 | 337 |
|---|---|
| Services billed to Medicare | 500 |
| Different services or procedures | 65 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)106 services
- Colorectal cancer screening; colonoscopy on individual at high risk (G0105)59 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)37 services
- Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk (G0121)36 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)28 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 pressure63%
- High cholesterol55%
- Arthritis30%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)21%
- Diabetes20%
- Ischemic heart disease18%
Hospitals where Theodore S. Parins works
Medicare's Facility Affiliation Data lists Theodore S. Parins 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.
- Sauk Prairie HospitalPrairie Du Sac, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520095
- SSM Health St Clare Hospital - BarabooBaraboo, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520057
- University of WI Hospitals & Clinics AuthorityMadison, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520098
Practice locations
Addresses where Theodore S. Parins is enrolled with Medicare (CMS data updated October 2, 2026).
- 260 26th StPrairie Du Sac, WI 53578 (608) 643‑3311
Group practices
Medicare enrollment lists Theodore S. Parins as a member of this group (CMS data updated October 2, 2026).
- Sauk Prairie Healthcare Inc124 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Wisconsin
Clinicians with the same Medicare primary specialty in Wisconsin — not a recommendation.
Other clinicians in Sauk Prairie Healthcare Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Wisconsin School Of Medicine |
| Graduation year | 1993 (33 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437168473 |
| 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