Quick answers
- Which hospitals does Leann N. Nitz work at?
- Medicare's official clinician data lists Leann N. Nitz at 4 hospitals: Barnes Jewish Hospital, Barnes-Jewish St Peters Hospital, Christian Hospital Northeast and Gateway Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Leann N. Nitz see patients?
- Medicare's clinician data lists 7 practice locations, including Saint Peters, MO, Saint Louis, MO and Granite City, IL. Call before your visit to confirm the address.
- What is Leann N. Nitz's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Leann N. Nitz accept Medicare assignment?
- Medicare's clinician data says Leann N. Nitz may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Leann N. Nitz?
- (800) 501-9855, as listed in official Medicare / NPI Registry data.
- What is Leann N. Nitz's NPI number?
- 1952701666. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Leann N. Nitz works
Medicare's Facility Affiliation Data lists Leann N. Nitz at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Barnes Jewish HospitalSaint Louis, MO · Acute Care Hospital · CCN 260032
- Barnes-Jewish St Peters HospitalSaint Peters, MO · Acute Care Hospital · CCN 260191
- Christian Hospital NortheastSaint Louis, MO · Acute Care Hospital · CCN 260180
- Gateway Regional Medical CenterGranite City, IL · Acute Care Hospital · CCN 140125
Practice locations
Addresses where Leann N. Nitz is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 10 Hospital DrSaint Peters, MO 63376 (800) 501‑9855
- 11133 Dunn RdSaint Louis, MO 63136 (314) 653‑4450
- 2100 Madison AveGranite City, IL 62040 (618) 798‑3000
- 3490 Humbert RdAlton, IL 62002 (618) 465‑2626
- 4455 Duncan AveSaint Louis, MO 63110 (314) 920‑8933
Group practices
Medicare enrollment lists Leann N. Nitz as a member of these groups (CMS data updated 2026-10-02).
- Southeastern Physician Services PC593 clinicians in the group
- Sound Physicians of Illinois LLC193 clinicians in the group
- Ahs Il Medical Group LLC45 clinicians in the group
- James Cole Physiatry LLC16 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Saint Peters
Clinicians with the same Medicare primary specialty in Saint Peters, MO — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1952701666 |
| 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