Quick answers
- Does Kenneth K. Yam accept Medicare assignment?
- Yes. Medicare's clinician data says Kenneth K. Yam 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 Kenneth K. Yam see?
- In 2024, CMS data shows 272 Original Medicare patients and 311 services for Kenneth K. Yam. This counts Original Medicare only and measures volume, not quality.
- What is Kenneth K. Yam's NPI number?
- 1982101556. 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 Kenneth K. Yam, 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 | 272 |
|---|---|
| Services billed to Medicare | 311 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)231 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)29 services
- Advance care planning, first 30 minutes (99497)29 services
- Critical care, first 30-74 minutes (99291)17 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 disease55%
- Arthritis54%
- Heart failure48%
- Diabetes46%
Hospitals where Kenneth K. Yam works
Medicare's Facility Affiliation Data lists Kenneth K. Yam 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.
- Grays Harbor Community HospitalAberdeen, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500031
- Multicare Good Samaritan HospitalPuyallup, WA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 500079
- St Joseph Medical CenterTacoma, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500108
- Tacoma General Allenmore HospitalTacoma, WA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 500129
Practice locations
Addresses where Kenneth K. Yam is enrolled with Medicare (CMS data updated October 2, 2026).
- 201 16th Ave ESeattle, WA 98112 (206) 326‑3000
- 315 Martin Luther King Jr WayTacoma, WA 98405 (253) 403‑1000
- 407 14th Ave SEPuyallup, WA 98372 (253) 697‑4000
Group practices
Medicare enrollment lists Kenneth K. Yam as a member of these groups (CMS data updated October 2, 2026).
- Kaiser Foundation Health Plan of Washington1,526 clinicians in the group
- South Sound Inpatient Physicians PLLC422 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Other clinicians in Kaiser Foundation Health Plan of Washington
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Arizona College Of Osteopathic Medicine Mid Western University |
| Graduation year | 2018 (8 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1982101556 |
| 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