Quick answers
- Which hospitals does Sierra Keith work at?
- Medicare's official clinician data lists Sierra Keith at 2 hospitals: Crestwood Medical Center and Huntsville Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Sierra Keith see patients?
- Medicare's clinician data lists 2 practice locations, including Huntsville, AL and Madison, AL. Call before your visit to confirm the address.
- What is Sierra Keith's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Sierra Keith accept Medicare assignment?
- Yes. Medicare's clinician data says Sierra Keith 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 Sierra Keith?
- (256) 429-4000, as listed in official Medicare / NPI Registry data.
- What is Sierra Keith's NPI number?
- 1639962368. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Sierra Keith works
Medicare's Facility Affiliation Data lists Sierra Keith at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Crestwood Medical CenterHuntsville, AL · Acute Care Hospital · CCN 010131
- Huntsville HospitalHuntsville, AL · Acute Care Hospital · CCN 010039
Practice locations
Addresses where Sierra Keith is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Hospital Dr SWHuntsville, AL 35801 (256) 429‑4000
- 8489 Madison BlvdMadison, AL 35758 (256) 850‑8400
Group practices
Medicare enrollment lists Sierra Keith as a member of these groups (CMS data updated 2026-10-02).
- HH Health System Crestwood Physicians, LLC48 clinicians in the group
- Crestwood Physician Services, LLC36 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Huntsville
Clinicians with the same Medicare primary specialty in Huntsville, AL — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2025 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639962368 |
| 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