Quick answers
- Does Crystal J. Yarnall accept Medicare assignment?
- Yes. Medicare's clinician data says Crystal J. Yarnall 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 Crystal J. Yarnall see?
- In 2024, CMS data shows 115 Original Medicare patients and 805 services for Crystal J. Yarnall. This counts Original Medicare only and measures volume, not quality.
- What is Crystal J. Yarnall's NPI number?
- 1962611129. 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 Crystal J. Yarnall, 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 | 115 |
|---|---|
| Services billed to Medicare | 805 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)231 services
- Insertion of needle into vein for collection of blood sample (36415)199 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)116 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)28 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)20 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 cholesterol70%
- High blood pressure43%
- Arthritis30%
- Anxiety18%
- Depression17%
- Ischemic heart disease16%
Hospitals where Crystal J. Yarnall works
Medicare's Facility Affiliation Data lists Crystal J. Yarnall 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.
- Asante Rogue Regional Medical CenterMedford, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380018
- Sky Lakes Medical CenterKlamath Falls, OR · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 380050
Practice locations
Addresses where Crystal J. Yarnall is enrolled with Medicare (CMS data updated October 2, 2026).
- 2218 Shallock AveKlamath Falls, OR 97601 (541) 882‑3818
- 4036 S 6th St, Suite 2Klamath Falls, OR 97603 (541) 851‑9320
Group practices
Medicare enrollment lists Crystal J. Yarnall as a member of this group (CMS data updated October 2, 2026).
- Cofas Inc6 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Klamath Falls
Clinicians with the same Medicare primary specialty in Klamath Falls, OR — not a recommendation.
Other clinicians in Cofas Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1962611129 |
| 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