Quick answers
- Which hospitals does Zachary Witges work at?
- Medicare's official clinician data lists Zachary Witges at 1 hospital: Alton Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Zachary Witges see patients?
- Medicare's clinician data lists 1 practice location in Alton, IL. Call before your visit to confirm the address.
- What is Zachary Witges's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Zachary Witges accept Medicare assignment?
- Yes. Medicare's clinician data says Zachary Witges 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 Zachary Witges?
- (618) 463-7833, as listed in official Medicare / NPI Registry data.
- What is Zachary Witges's NPI number?
- 1801639596. 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 Witges works
Medicare's Facility Affiliation Data lists Zachary Witges at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alton Memorial HospitalAlton, IL · Acute Care Hospital · CCN 140002
Practice locations
Addresses where Zachary Witges is enrolled with Medicare (CMS data updated 2026-10-02).
- 4 Memorial Dr, Suite 230Alton, IL 62002 (618) 463‑7833
Group practices
Medicare enrollment lists Zachary Witges as a member of this group (CMS data updated 2026-10-02).
- Fairview Heights Medical Group SC444 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Alton
Clinicians with the same Medicare primary specialty in Alton, IL — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1801639596 |
| 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