Quick answers
- Does Kevin K. Leung accept Medicare assignment?
- Yes. Medicare's clinician data says Kevin K. Leung 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 Kevin K. Leung see?
- In 2024, CMS data shows 323 Original Medicare patients and 570 services for Kevin K. Leung. This counts Original Medicare only and measures volume, not quality.
- What is Kevin K. Leung's NPI number?
- 1588847271. 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 Kevin K. Leung, 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 | 323 |
|---|---|
| Services billed to Medicare | 570 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Biopsy of large bowel using a flexible endoscope (45380)106 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)88 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)47 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)43 services
- Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)40 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 cholesterol74%
- High blood pressure71%
- Arthritis47%
- Diabetes28%
- Ischemic heart disease24%
- Anxiety20%
Hospitals where Kevin K. Leung works
Medicare's Facility Affiliation Data lists Kevin K. Leung 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.
- Multicare Auburn Medical CenterAuburn, WA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 500015
- Multicare Covington Medical CenterCovington, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500154
- 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 Kevin K. Leung is enrolled with Medicare (CMS data updated October 2, 2026).
- 33915 1st Way S, Suite 200Federal Way, WA 98003 (253) 838‑9839
Group practices
Medicare enrollment lists Kevin K. Leung as a member of this group (CMS data updated October 2, 2026).
- Washington Gastroenterology PLLC143 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Federal Way
Clinicians with the same Medicare primary specialty in Federal Way, WA — not a recommendation.
Other clinicians in Washington Gastroenterology PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1588847271 |
| 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