Quick answers
- Does Nathan F. Amrine accept Medicare assignment?
- Yes. Medicare's clinician data says Nathan F. Amrine 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 Nathan F. Amrine see?
- In 2024, CMS data shows 24 Original Medicare patients and 48 services for Nathan F. Amrine. This counts Original Medicare only and measures volume, not quality.
- What is Nathan F. Amrine's NPI number?
- 1821354424. 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 Nathan F. Amrine, 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 | 24 |
|---|---|
| Services billed to Medicare | 48 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 65 |
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 pressure58%
- High cholesterol46%
Hospitals where Nathan F. Amrine works
Medicare's Facility Affiliation Data lists Nathan F. Amrine 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 Southwest Medical CenteVancouver, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 500050
- PeaceHealth St John Medical CenterLongview, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500041
Practice locations
Addresses where Nathan F. Amrine is enrolled with Medicare (CMS data updated October 2, 2026).
- 1660 Delware StLongview, WA 98632 (360) 414‑2800
- 505 NE 87th AveVancouver, WA 98664
- 8821 NE 5th StVancouver, WA 98664 (360) 514‑1900
Group practices
Medicare enrollment lists Nathan F. Amrine as a member of these groups (CMS data updated October 2, 2026).
- PeaceHealth249 clinicians in the group
- PeaceHealth195 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Longview
Clinicians with the same Medicare primary specialty in Longview, WA — 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 | 2012 (14 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821354424 |
| 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