Sierra Keith, MSN, CRNP, FNP-C
NPI 1639962368 · Family Nurse Practitioner · Madison, AL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sierra Keith, MSN, CRNP, FNP-C is a Family Nurse Practitioner provider in Madison, AL (NPI 1639962368).
Provider details
- NPI number
- 1639962368
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, CRNP, FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 1-192154 (AL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-05-26
- Last updated
- 2025-06-18
- Certified
- 2025-06-18
Frequently asked questions
- What is Sierra Keith's NPI number?
- Sierra Keith's National Provider Identifier (NPI) is 1639962368, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierra Keith's specialty?
- Sierra Keith is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sierra Keith located?
- Sierra Keith's practice location on file with NPPES is 8489 Madison Blvd, Madison, AL 35758-2005.
- What is Sierra Keith's phone number?
- The practice phone number listed in the NPPES registry for Sierra Keith is (256) 850-8400.
- Does Sierra Keith accept Medicare?
- Sierra Keith is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sierra Keith's NPI active?
- Yes — Sierra Keith's NPI (1639962368) is active in the NPPES registry as of the last update on 2025-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.