Quick answers
- Does Karen M. Piper accept Medicare assignment?
- Yes. Medicare's clinician data says Karen M. Piper 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 Karen M. Piper see?
- In 2024, CMS data shows 32 Original Medicare patients and 33 services for Karen M. Piper. This counts Original Medicare only and measures volume, not quality.
- What is Karen M. Piper's NPI number?
- 1710042981. 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 Karen M. Piper, 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 | 32 |
|---|---|
| Services billed to Medicare | 33 |
| Different services or procedures | 3 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)29 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%
- Diabetes56%
- Ischemic heart disease47%
- Chronic kidney disease47%
- Heart failure44%
Hospitals where Karen M. Piper works
Medicare's Facility Affiliation Data lists Karen M. Piper 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 John Medical CenterLongview, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500041
Practice locations
Addresses where Karen M. Piper is enrolled with Medicare (CMS data updated October 2, 2026).
- 1230 7th AveLongview, WA 98632 (800) 813‑2000
- 7101 NE 137th AveVancouver, WA 98682 (800) 813‑2000
Group practices
Medicare enrollment lists Karen M. Piper as a member of this group (CMS data updated October 2, 2026).
- Kaiser Foundation Health Plan of the Northwest1,807 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Longview
Clinicians with the same Medicare primary specialty in Longview, WA — not a recommendation.
Other clinicians in Kaiser Foundation Health Plan of the Northwest
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loma Linda University School Of Medicine |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710042981 |
| 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