Quick answers
- Does Winnifred M. Wong accept Medicare assignment?
- Yes. Medicare's clinician data says Winnifred M. Wong 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 Winnifred M. Wong see?
- In 2024, CMS data shows 230 Original Medicare patients and 3,062 services for Winnifred M. Wong. This counts Original Medicare only and measures volume, not quality.
- What is Winnifred M. Wong's NPI number?
- 1144554148. 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 Winnifred M. Wong, 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 | 230 |
|---|---|
| Services billed to Medicare | 3,062 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Ct guidance for insertion of radiation therapy fields (77014)1,321 services
- Radiation treatment management, 5 treatment sessions (77427)370 services
- Calculation of radiation therapy dose (77300)251 services
- Design and construction of complex radiation treatment device (77334)226 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)186 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).
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- High blood pressure65%
- High cholesterol55%
- Arthritis37%
- Ischemic heart disease25%
- Diabetes23%
Hospitals where Winnifred M. Wong works
Medicare's Facility Affiliation Data lists Winnifred M. Wong 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.
- Adventist Health Columbia GorgeThe Dalles, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380001
- Klickitat Valley HospitalGoldendale, WA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 501316
- OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380009
- Providence Hood River Memorial HospitalHood River, OR · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 381318
- Skyline HospitalWhite Salmon, WA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 501315
Practice locations
Addresses where Winnifred M. Wong is enrolled with Medicare (CMS data updated October 2, 2026).
- 1700 E 19th StThe Dalles, OR 97058 (541) 296‑1111
Group practices
Medicare enrollment lists Winnifred M. Wong as a member of this group (CMS data updated October 2, 2026).
- Mid-Columbia Medical Center94 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in Oregon
Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.
Other clinicians in Mid-Columbia Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1144554148 |
| 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