Quick answers
- Does Zachary D. Mills accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary D. Mills 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 D. Mills's NPI number?
- 1922635465. 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 D. Mills works
Medicare's Facility Affiliation Data lists Zachary D. Mills 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.
- Avera St LukesAberdeen, SD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 430014
- Providence Regional Medical Center EverettEverett, WA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 500014
Practice locations
Addresses where Zachary D. Mills is enrolled with Medicare (CMS data updated October 2, 2026).
- 1321 Colby AveEverett, WA 98201 (425) 261‑2000
- 305 S State StAberdeen, SD 57401
- 3726 Broadway, Suite 201Everett, WA 98201 (425) 317‑9119
- 8 E US Hwy 12Groton, SD 57445 (605) 397‑4242
Group practices
Medicare enrollment lists Zachary D. Mills as a member of these groups (CMS data updated October 2, 2026).
- Avera St Lukes165 clinicians in the group
- Western Washington Medical Group Inc PS112 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Everett
Clinicians with the same Medicare primary specialty in Everett, WA — not a recommendation.
Other clinicians in Avera St Lukes
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Texas At Austin Dell Medical School |
| Graduation year | 2020 (6 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922635465 |
| 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