Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Sierra Keith, MSN, CRNP, FNP-C

Individual provider Family Nurse Practitioner · NPI 1639962368

Sierra Keith, MSN, CRNP, FNP-C is a Nurse Practitioner in Madison, Alabama. Qualified in 2025, 1 year ago. Practices with Crestwood Physician Services, LLC, a 38-clinician group and accepts Medicare assignment. Licensed in Alabama.

Years since qualifying
1
Licensed in
AL
In the registry since
2025
Specialties on file
2
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
CRNP — Certified Registered Nurse Practitioner
The title Pennsylvania and some other states use for a nurse practitioner.
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

8489 Madison Blvd
Madison, AL 35758-2005
Phone: (256) 850-8400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 1-192154 (AL)
Registered Nurse Taxonomy 163W00000X · Licence 1-192154 (AL)

Record details

NPI number1639962368
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , CRNP , FNP-C
Sole proprietorNo
NPI enumeratedMay 26, 2025
Last updated in NPPESJune 18, 2025
Certification dateJune 18, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Crestwood Physician Services, Llc — 38 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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