Quick answers
- Does Zachary J. Viets accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary J. Viets 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 Zachary J. Viets see?
- In 2024, CMS data shows 3,496 Original Medicare patients and 5,225 services for Zachary J. Viets. This counts Original Medicare only and measures volume, not quality.
- What is Zachary J. Viets's NPI number?
- 1861791311. 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 Zachary J. Viets, 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 | 3,496 |
|---|---|
| Services billed to Medicare | 5,225 |
| Different services or procedures | 163 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- X-ray of chest, 1 view (71045)746 services
- Ct scan head or brain without contrast (70450)415 services
- Ct scan of abdomen and pelvis with contrast (74177)392 services
- X-ray of chest, 2 views (71046)371 services
- Low dose ct scan of chest for lung cancer screening (71271)294 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%
- Arthritis43%
- Ischemic heart disease37%
- Diabetes33%
- Chronic kidney disease31%
Hospitals where Zachary J. Viets works
Medicare's Facility Affiliation Data lists Zachary J. Viets 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.
- Davis County HospitalBloomfield, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161327
- Knoxville Hospital & ClinicsKnoxville, IA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 161355
- MercyOne Centerville Medical CenterCenterville, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161377
- MercyOne Des Moines Medical CenterDes Moines, IA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 160083
- MercyOne Newton Medical CenterNewton, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160032
Practice locations
Addresses where Zachary J. Viets is enrolled with Medicare (CMS data updated October 2, 2026).
- 1111 6th AveDes Moines, IA 50314 (515) 643‑2667
Group practices
Medicare enrollment lists Zachary J. Viets as a member of this group (CMS data updated October 2, 2026).
- Diagnostic Imaging Associates, P.C.19 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Des Moines
Clinicians with the same Medicare primary specialty in Des Moines, IA — not a recommendation.
Other clinicians in Diagnostic Imaging Associates, P.C.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Kansas School Of Med (kc/wich/sal) |
| 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) | 1861791311 |
| 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