Quick answers
- Which hospitals does Mark E. Ziegler work at?
- Medicare's official clinician data lists Mark E. Ziegler at 1 hospital: Witham Health Services. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark E. Ziegler see patients?
- Medicare's clinician data lists 2 practice locations, including Zionsville, IN and Lebanon, IN. Call before your visit to confirm the address.
- What is Mark E. Ziegler's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Mark E. Ziegler accept Medicare assignment?
- Yes. Medicare's clinician data says Mark E. Ziegler 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 Mark E. Ziegler's NPI number?
- 1376366336. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark E. Ziegler works
Medicare's Facility Affiliation Data lists Mark E. Ziegler at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Witham Health ServicesLebanon, IN · Acute Care Hospital · CCN 150104
Practice locations
Addresses where Mark E. Ziegler is enrolled with Medicare (CMS data updated 2026-10-02).
- 1650 W Oak StZionsville, IN 46077
- 2705 N Lebanon StLebanon, IN 46052
Group practices
Medicare enrollment lists Mark E. Ziegler as a member of this group (CMS data updated 2026-10-02).
- Witham Memorial Hospital108 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Zionsville
Clinicians with the same Medicare primary specialty in Zionsville, IN — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1376366336 |
| 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