Quick answers
- Does Tadeo A. Diaz Balderrama accept Medicare assignment?
- Yes. Medicare's clinician data says Tadeo A. Diaz Balderrama 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 Tadeo A. Diaz Balderrama see?
- In 2024, CMS data shows 1,166 Original Medicare patients and 2,575 services for Tadeo A. Diaz Balderrama. This counts Original Medicare only and measures volume, not quality.
- What is Tadeo A. Diaz Balderrama's NPI number?
- 1437458817. 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 Tadeo A. Diaz Balderrama, 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 | 1,166 |
|---|---|
| Services billed to Medicare | 2,575 |
| Different services or procedures | 43 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)961 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)334 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)237 services
- Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)102 services
- Ultrasound of heart, follow-up (93308)93 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 cholesterol75%
- Ischemic heart disease47%
- Arthritis45%
- Heart failure45%
- Chronic kidney disease43%
Hospitals where Tadeo A. Diaz Balderrama works
Medicare's Facility Affiliation Data lists Tadeo A. Diaz Balderrama 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.
- Ascension Calumet HospitalChilton, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521317
- Ripon Medical CenterRipon, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521321
- SSM Health St Agnes Hospital-Fond Du LacFond Du Lac, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520088
- SSM Health St Mary's Hospital - MadisonMadison, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520083
- Waupun Memorial HospitalWaupun, WI · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 521327
Practice locations
Addresses where Tadeo A. Diaz Balderrama is enrolled with Medicare (CMS data updated October 2, 2026).
- 420 E Division StFond Du Lac, WI 54935 (920) 923‑7400
Group practices
Medicare enrollment lists Tadeo A. Diaz Balderrama as a member of this group (CMS data updated October 2, 2026).
- Agnesian Healthcare Inc388 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Wisconsin →
Other cardiologists in Fond Du Lac
Clinicians with the same Medicare primary specialty in Fond Du Lac, WI — not a recommendation.
Other clinicians in Agnesian Healthcare Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437458817 |
| 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