Quick answers
- Does Stephanie Zachemski accept Medicare assignment?
- Yes. Medicare's clinician data says Stephanie Zachemski 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 Stephanie Zachemski's NPI number?
- 1912704321. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Stephanie Zachemski works
Medicare's Facility Affiliation Data lists Stephanie Zachemski 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.
- Mercyhealth Hospital & Physician Clinic-Crystal LACrystal Lake, IL · Acute Care Hospital · Emergency services: listed by Medicare · CCN 140308
Practice locations
Addresses where Stephanie Zachemski is enrolled with Medicare (CMS data updated October 2, 2026).
- 2101 Waukegan RdBannockburn, IL 60015
- 2719 W Algonquin RdAlgonquin, IL 60102 (847) 381‑0388
- 406 Front StMcHenry, IL 60050
Group practices
Medicare enrollment lists Stephanie Zachemski as a member of this group (CMS data updated October 2, 2026).
- Illinois Bone and Joint Institute, LLC604 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Bannockburn
Clinicians with the same Medicare primary specialty in Bannockburn, IL — not a recommendation.
Other clinicians in Illinois Bone and Joint Institute, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2025 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912704321 |
| 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