Quick answers
- Which hospitals does Markus Zei work at?
- Medicare's official clinician data lists Markus Zei at 5 hospitals: Barnes-Jewish St Peters Hospital, Christian Hospital Northeast, Memorial Hospital, Missouri Baptist Medical Center and Progress West Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Markus Zei see patients?
- Medicare's clinician data lists 4 practice locations, including Rolla, MO, Chesterfield, MO and O Fallon, MO. Call before your visit to confirm the address.
- What is Markus Zei's specialty?
- Medicare lists Nuclear Medicine as the primary specialty, and also Diagnostic Radiology.
- Does Markus Zei accept Medicare assignment?
- Yes. Medicare's clinician data says Markus Zei 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 Markus Zei?
- (573) 364-9000, as listed in official Medicare / NPI Registry data.
- What is Markus Zei's NPI number?
- 1164803953. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Markus Zei works
Medicare's Facility Affiliation Data lists Markus Zei at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnes-Jewish St Peters HospitalSaint Peters, MO · Acute Care Hospital · CCN 260191
- Christian Hospital NortheastSaint Louis, MO · Acute Care Hospital · CCN 260180
- Memorial HospitalBelleville, IL · Acute Care Hospital · CCN 140185
- Missouri Baptist Medical CenterSaint Louis, MO · Acute Care Hospital · CCN 260108
- Progress West HospitalOfallon, MO · Acute Care Hospital · CCN 260219
Practice locations
Addresses where Markus Zei is enrolled with Medicare (CMS data updated 2026-10-02).
- 1000 W 10th St, Phelps HealthRolla, MO 65401 (573) 364‑9000
- 1785 Clarkson RdChesterfield, MO 63017 (636) 681‑1540
- 2 Progress Point PkwyO Fallon, MO 63368 (314) 362‑7200
- 510 S Kingshighway BlvdSaint Louis, MO 63110
Group practices
Medicare enrollment lists Markus Zei as a member of these groups (CMS data updated 2026-10-02).
- Washington University3,029 clinicians in the group
- Washington University Physicians in Illinois Inc175 clinicians in the group
- Miracl LLC98 clinicians in the group
- BJC Outpatient Imaging LLC25 clinicians in the group
Specialties
- Nuclear Medicineprimary
- Diagnostic Radiologyalso
Other nuclear medicine doctors in Rolla
Clinicians with the same Medicare primary specialty in Rolla, MO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Saint Louis University School Of Medicine |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164803953 |
| 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