Quick answers
- Does Naori Yamashiro accept Medicare assignment?
- Yes. Medicare's clinician data says Naori Yamashiro 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 Naori Yamashiro see?
- In 2024, CMS data shows 340 Original Medicare patients and 1,173 services for Naori Yamashiro. This counts Original Medicare only and measures volume, not quality.
- What is Naori Yamashiro's NPI number?
- 1033420104. 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 Naori Yamashiro, 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 | 340 |
|---|---|
| Services billed to Medicare | 1,173 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 82 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)355 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)234 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)166 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)159 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)19 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 cholesterol75%
- High blood pressure71%
- Arthritis51%
- Depression33%
- Ischemic heart disease28%
- Anxiety28%
Hospitals where Naori Yamashiro works
Medicare's Facility Affiliation Data lists Naori Yamashiro 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.
- PeaceHealth St Joseph Medical CenterBellingham, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 500030
Practice locations
Addresses where Naori Yamashiro is enrolled with Medicare (CMS data updated October 2, 2026).
- 2901 Sqaulicum PkwyBellingham, WA 98225 (360) 788‑9373
- 3001 Squalicum Pkwy, Suite 14aBellingham, WA 98225 (360) 788‑6934
- 3015 Squalicum PkwyBellingham, WA 98225
Group practices
Medicare enrollment lists Naori Yamashiro as a member of this group (CMS data updated October 2, 2026).
- PeaceHealth298 clinicians in the group
Specialties
- Geriatric Medicineprimary
- Family Practicealso
Other geriatricians in Washington
Clinicians with the same Medicare primary specialty in Washington — not a recommendation.
Other clinicians in PeaceHealth
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) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1033420104 |
| 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