Quick answers
- Does Samantha R. Yosim accept Medicare assignment?
- Yes. Medicare's clinician data says Samantha R. Yosim 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 Samantha R. Yosim see?
- In 2024, CMS data shows 140 Original Medicare patients and 160 services for Samantha R. Yosim. This counts Original Medicare only and measures volume, not quality.
- What is Samantha R. Yosim's NPI number?
- 1912516931. 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 Samantha R. Yosim, 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 | 140 |
|---|---|
| Services billed to Medicare | 160 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Emergency department visit with low level of medical decision making (99283)81 services
- Emergency department visit with straightforward medical decision making (99282)45 services
- Emergency department visit with moderate level of medical decision making (99284)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 pressure71%
- Diabetes61%
- High cholesterol51%
- Arthritis30%
- Ischemic heart disease16%
- Chronic kidney disease13%
Hospitals where Samantha R. Yosim works
Medicare's Facility Affiliation Data lists Samantha R. Yosim 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.
- Fort Defiance Indian HospitalFt. Defiance, AZ · Acute Care Hospital · Emergency services: listed by Medicare · CCN 030071
Practice locations
Addresses where Samantha R. Yosim is enrolled with Medicare (CMS data updated October 2, 2026).
- Corner of Route N12 and N7, Fdihb Inc.Fort Defiance, AZ 86504 (928) 729‑8082
- PO Box, Suite 649Fort Defiance, AZ 86504
Group practices
Medicare enrollment lists Samantha R. Yosim as a member of this group (CMS data updated October 2, 2026).
- The Fort Defiance Indian Hospital Board, Incorporation151 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Fort Defiance
Clinicians with the same Medicare primary specialty in Fort Defiance, AZ — not a recommendation.
Other clinicians in The Fort Defiance Indian Hospital Board, Incorporation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912516931 |
| 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