Quick answers
- Does Zachary A. Winter accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary A. Winter 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 A. Winter see?
- In 2024, CMS data shows 3,118 Original Medicare patients and 4,422 services for Zachary A. Winter. This counts Original Medicare only and measures volume, not quality.
- What is Zachary A. Winter's NPI number?
- 1659682722. 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 A. Winter, 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 | 3,118 |
|---|---|
| Services billed to Medicare | 4,422 |
| Different services or procedures | 127 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- X-ray of chest, 1 view (71045)912 services
- Ct scan head or brain without contrast (70450)511 services
- Ct scan of abdomen and pelvis with contrast (74177)354 services
- Ct scan of blood vessels of chest with contrast (71275)232 services
- Ct scan of upper spine without contrast (72125)210 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 cholesterol70%
- Arthritis58%
- Depression36%
- Chronic kidney disease36%
- Diabetes35%
Hospitals where Zachary A. Winter works
Medicare's Facility Affiliation Data lists Zachary A. Winter 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.
- Kadlec Regional Medical CenterRichland, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500058
- Prov Sacred HRT Medical Center & Childs HospitalSpokane, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500054
- Providence Holy Family HospitalSpokane, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500077
- Providence St Mary Medical CenterWalla Walla, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500002
- St. Patrick HospitalMissoula, MT · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 270014
Practice locations
Addresses where Zachary A. Winter is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 14; the Medicare profile lists all.
- 10207 S Sherman RdSpokane, WA 99224 (541) 754‑1150
- 1145 BroadwaySeattle, WA 98122 (206) 329‑1760
- 1200 12th Ave SSeattle, WA 98144 (509) 363‑7745
- 1229 Madison St, Suite 1660Seattle, WA 98104 (206) 860‑5582
- 200 Nat Washington Way, Columbia Basin HospitalEphrata, WA 98823 · Grant County Public Hospital District No. 3 (509) 754‑4631
Group practices
Medicare enrollment lists Zachary A. Winter as a member of these groups (CMS data updated October 2, 2026).
- The Polyclinic PLLC365 clinicians in the group
- Oregon Healthcare Resources LLC159 clinicians in the group
- Inland Imaging LLC129 clinicians in the group
- Integra Imaging PS128 clinicians in the group
- Inland Imaging Associates PS126 clinicians in the group
- The Corvallis Clinic P C124 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Spokane
Clinicians with the same Medicare primary specialty in Spokane, WA — not a recommendation.
Other clinicians in The Polyclinic PLLC
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 | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659682722 |
| 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