Quick answers
- Which hospitals does Czerina S. Ottes work at?
- Medicare's official clinician data lists Czerina S. Ottes at 1 hospital: Mercy Hospital St Louis. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Czerina S. Ottes see patients?
- Medicare's clinician data lists 1 practice location in O Fallon, MO. Call before your visit to confirm the address.
- What is Czerina S. Ottes's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Czerina S. Ottes accept Medicare assignment?
- Yes. Medicare's clinician data says Czerina S. Ottes 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.
- Does Czerina S. Ottes offer telehealth?
- Medicare's clinician data says Czerina S. Ottes offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Czerina S. Ottes?
- (636) 256-5350, as listed in official Medicare / NPI Registry data.
- What is Czerina S. Ottes's NPI number?
- 1780281618. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Czerina S. Ottes works
Medicare's Facility Affiliation Data lists Czerina S. Ottes at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · CCN 260020
Practice locations
Addresses where Czerina S. Ottes is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Winding Woods Dr, Suite 222O Fallon, MO 63366 (636) 256‑5350
Group practices
Medicare enrollment lists Czerina S. Ottes as a member of this group (CMS data updated 2026-10-02).
- Mercy Clinic East Communities571 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in O Fallon
Clinicians with the same Medicare primary specialty in O Fallon, MO — not a recommendation.
Clinician information
| Graduation year | 2020 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1780281618 |
| 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