Quick answers
- Which hospitals does Margaret Zanger work at?
- Medicare's official clinician data lists Margaret Zanger at 1 hospital: Cox Medical Centers. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Margaret Zanger see patients?
- Medicare's clinician data lists 3 practice locations, including Springfield, MO. Call before your visit to confirm the address.
- What is Margaret Zanger's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Margaret Zanger accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret Zanger accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Margaret Zanger?
- (471) 269-9800, as listed in official Medicare / NPI Registry data.
- What is Margaret Zanger's NPI number?
- 1659539013. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Margaret Zanger works
Medicare's Facility Affiliation Data lists Margaret Zanger at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cox Medical CentersSpringfield, MO · Acute Care Hospital · CCN 260040
Practice locations
Addresses where Margaret Zanger is enrolled with Medicare (CMS data updated 2026-10-02).
- 3535 S National AveSpringfield, MO 65807 (471) 269‑9800
- 3801 S National AveSpringfield, MO 65807 (417) 269‑6000
- 960 E Walnut Lawn St, Cox Surgery CenterSpringfield, MO 65807 (417) 225‑9235
Group practices
Medicare enrollment lists Margaret Zanger as a member of this group (CMS data updated 2026-10-02).
- Ozark Anesthesia Associates Inc87 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Springfield
Clinicians with the same Medicare primary specialty in Springfield, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Oklahoma College Of Medicine |
| Graduation year | 2008 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659539013 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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