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

MS. Sienna Lynn St John, RN

Individual provider Registered Nurse · NPI 1881937605

MS. Sienna Lynn St John, RN is a Registered Nurse in Tuba City, Arizona. Licensed in Arizona. Registered with an NPI since 2013.

Licensed in
AZ
In the registry since
2013
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

167 N Main St
Tuba City, AZ 86045-0600
Phone: (928) 283-2781
Fax: (928) 283-2677
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence RN177795 (AZ)

Record details

NPI number1881937605
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedMarch 29, 2013
Last updated in NPPESMarch 29, 2013

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