Quick answers
- Does Karen York accept Medicare assignment?
- Yes. Medicare's clinician data says Karen York 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 York see?
- In 2024, CMS data shows 148 Original Medicare patients and 369 services for Karen York. This counts Original Medicare only and measures volume, not quality.
- What is Karen York's NPI number?
- 1659989820. 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 York, 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 | 148 |
|---|---|
| Services billed to Medicare | 369 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Administration of influenza virus vaccine (G0008)70 services
- Influenza vaccine split virus, preservative free (90662)68 services
- Admn sarscov2 vacc 1 dose (90480)57 services
- Sarscv2 vac 30mcg trs-suc im (91320)55 services
- Removal of impacted ear wax (69210)48 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 pressure66%
- High cholesterol57%
- Arthritis39%
- Anxiety18%
- Diabetes17%
- Depression17%
Practice locations
Addresses where Karen York is enrolled with Medicare (CMS data updated October 2, 2026).
- 1842 N College Ave, Suite 3Fort Collins, CO 80524 (970) 494‑6975
- 5900 W Pleasant Ridge RdArlington, TX 76016 (866) 389‑2727
Group practices
Medicare enrollment lists Karen York as a member of these groups (CMS data updated October 2, 2026).
- Minuteclinic Diagnostic of Texas PLLC253 clinicians in the group
- The Little Clinic of Colorado, LLC68 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Fort Collins
Clinicians with the same Medicare primary specialty in Fort Collins, CO — not a recommendation.
Other clinicians in Minuteclinic Diagnostic of Texas PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659989820 |
| 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
- 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