Quick answers
- Does Ricardo Cardona Guarache accept Medicare assignment?
- Yes. Medicare's clinician data says Ricardo Cardona Guarache 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 Ricardo Cardona Guarache see?
- In 2024, CMS data shows 689 Original Medicare patients and 3,140 services for Ricardo Cardona Guarache. This counts Original Medicare only and measures volume, not quality.
- What is Ricardo Cardona Guarache's NPI number?
- 1962667485. 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 Ricardo Cardona Guarache, 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 | 689 |
|---|---|
| Services billed to Medicare | 3,140 |
| Different services or procedures | 90 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)557 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)406 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)243 services
- Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days (93295)155 services
- Blood test, clotting time (85610)136 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 cholesterol74%
- Atrial fibrillation55%
- Ischemic heart disease41%
- Arthritis39%
- Heart failure39%
Hospitals where Ricardo Cardona Guarache works
Medicare's Facility Affiliation Data lists Ricardo Cardona Guarache 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.
- Providence Regional Medical Center EverettEverett, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500014
- Whidbeyhealth Medical CenterCoupeville, WA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 501339
Practice locations
Addresses where Ricardo Cardona Guarache is enrolled with Medicare (CMS data updated October 2, 2026).
- 3901 Hoyt AveEverett, WA 98201 (425) 339‑5442
- 904 7th AveSeattle, WA 98104 (206) 309‑1760
- 9709 3rd Ave NE, Optum Northgate Plaza Urgent CareSeattle, WA 98104 (206) 401‑3191
Group practices
Medicare enrollment lists Ricardo Cardona Guarache as a member of these groups (CMS data updated October 2, 2026).
- Optum Care Washington PLLC683 clinicians in the group
- The Polyclinic PLLC365 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Washington →
Other cardiologists in Everett
Clinicians with the same Medicare primary specialty in Everett, WA — not a recommendation.
Other clinicians in Optum Care Washington PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2004 (22 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) | 1962667485 |
| 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