Quick answers
- Which hospitals does Sianna E. Bates work at?
- Medicare's official clinician data lists Sianna E. Bates at 2 hospitals: Saint Francis Hospital South, LLC and Saint Francis Hospital, Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sianna E. Bates see patients?
- Medicare's clinician data lists 1 practice location in Tulsa, OK. Call before your visit to confirm the address.
- What is Sianna E. Bates's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Sianna E. Bates accept Medicare assignment?
- Yes. Medicare's clinician data says Sianna E. Bates 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 Sianna E. Bates?
- (918) 488-6000, as listed in official Medicare / NPI Registry data.
- What is Sianna E. Bates's NPI number?
- 1881324523. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sianna E. Bates works
Medicare's Facility Affiliation Data lists Sianna E. Bates at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Saint Francis Hospital South, LLCTulsa, OK · Acute Care Hospital · CCN 370218
- Saint Francis Hospital, IncTulsa, OK · Acute Care Hospital · CCN 370091
Practice locations
Addresses where Sianna E. Bates is enrolled with Medicare (CMS data updated 2026-10-02).
- 6600 S Yale Ave, Suite 1400Tulsa, OK 74136 (918) 488‑6000
Group practices
Medicare enrollment lists Sianna E. Bates as a member of this group (CMS data updated 2026-10-02).
- Warren Clinic Inc883 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Tulsa
Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881324523 |
| 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