Quick answers
- Does Trisanna M. Gruel accept Medicare assignment?
- Yes. Medicare's clinician data says Trisanna M. Gruel 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 Trisanna M. Gruel see?
- In 2024, CMS data shows 236 Original Medicare patients and 498 services for Trisanna M. Gruel. This counts Original Medicare only and measures volume, not quality.
- What is Trisanna M. Gruel's NPI number?
- 1548990211. 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 Trisanna M. Gruel, 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 | 236 |
|---|---|
| Services billed to Medicare | 498 |
| Different services or procedures | 39 |
| Participating Medicare provider | Yes |
| Average age of these patients | 84 |
Most frequent services
- Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes (99342)75 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)65 services
- Urinalysis, manual test (81002)48 services
- Blood test, basic group of blood chemicals (calcium, ionized) (80047)36 services
- Red blood cell concentration measurement (85014)36 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 cholesterol72%
- Arthritis54%
- Chronic kidney disease42%
- Depression40%
- Heart failure40%
Hospitals where Trisanna M. Gruel works
Medicare's Facility Affiliation Data lists Trisanna M. Gruel 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.
- Evergreenhealth Medical CenterKirkland, WA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 500124
- Evergreenhealth MonroeMonroe, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500084
Practice locations
Addresses where Trisanna M. Gruel is enrolled with Medicare (CMS data updated October 2, 2026).
- 18151 68th Ave NE, Suite 100Kenmore, WA 98028 (425) 485‑6561
Group practices
Medicare enrollment lists Trisanna M. Gruel as a member of this group (CMS data updated October 2, 2026).
- King County Public Hospital District No 2608 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Kenmore
Clinicians with the same Medicare primary specialty in Kenmore, WA — not a recommendation.
Other clinicians in King County Public Hospital District No 2
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1548990211 |
| 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