Quick answers
- Does Zachary Allen accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary Allen 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 Zachary Allen's NPI number?
- 1265326367. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Zachary Allen works
Medicare's Facility Affiliation Data lists Zachary Allen 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.
- Northwest Medical Center-SpringdaleSpringdale, AR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 040022
- Siloam Springs Regional HospitalSiloam Springs, AR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 040001
Practice locations
Addresses where Zachary Allen is enrolled with Medicare (CMS data updated October 2, 2026).
- 3721 Hwy 412 E, Suite ASiloam Springs, AR 72761 (479) 215‑3070
Group practices
Medicare enrollment lists Zachary Allen as a member of this group (CMS data updated October 2, 2026).
- Northwest Physicians LLC35 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Siloam Springs
Clinicians with the same Medicare primary specialty in Siloam Springs, AR — not a recommendation.
Other clinicians in Northwest Physicians LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265326367 |
| 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