Quick answers
- Does Roland A. Hernandez accept Medicare assignment?
- Yes. Medicare's clinician data says Roland A. Hernandez 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 Roland A. Hernandez see?
- In 2024, CMS data shows 164 Original Medicare patients and 330 services for Roland A. Hernandez. This counts Original Medicare only and measures volume, not quality.
- What is Roland A. Hernandez's NPI number?
- 1720213580. 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 Roland A. Hernandez, 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 | 164 |
|---|---|
| Services billed to Medicare | 330 |
| Different services or procedures | 61 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)63 services
- Replacement of aortic valve through the skin and femoral artery (33361)38 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)28 services
- Ultrasound of chest aorta during surgery (76984)26 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)21 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%
- Heart failure75%
- Ischemic heart disease72%
- Arthritis52%
- Atrial fibrillation52%
Hospitals where Roland A. Hernandez works
Medicare's Facility Affiliation Data lists Roland A. Hernandez 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.
- Swedish Edmonds HospitalEdmonds, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500026
- Swedish Medical CenterSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500027
- Swedish Medical Center / Cherry HillSeattle, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500025
Practice locations
Addresses where Roland A. Hernandez is enrolled with Medicare (CMS data updated October 2, 2026).
- 1600 E Jefferson St, Suite 110Seattle, WA 98122 (206) 320‑7300
Group practices
Medicare enrollment lists Roland A. Hernandez as a member of this group (CMS data updated October 2, 2026).
- Swedish Health Services1,037 clinicians in the group
Specialties
- Thoracic Surgeryprimary
Other thoracic surgeons in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Other clinicians in Swedish Health Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 2009 (17 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) | 1720213580 |
| 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