Quick answers
- Does Samantha L. Johnston accept Medicare assignment?
- Yes. Medicare's clinician data says Samantha L. Johnston 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.
- What is Samantha L. Johnston's NPI number?
- 1336514645. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Samantha L. Johnston works
Medicare's Facility Affiliation Data lists Samantha L. Johnston 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.
- Verde Valley Medical CenterCottonwood, AZ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 030007
Practice locations
Addresses where Samantha L. Johnston is enrolled with Medicare (CMS data updated October 2, 2026).
- 51 S Brian Mickelsen PkwyCottonwood, AZ 86326 (928) 639‑8132
Group practices
Medicare enrollment lists Samantha L. Johnston as a member of this group (CMS data updated October 2, 2026).
- County of Yavapai19 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Cottonwood
Clinicians with the same Medicare primary specialty in Cottonwood, AZ — not a recommendation.
Other clinicians in County of Yavapai
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1336514645 |
| 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
- 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