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

Sandra Messmer, NP

Individual provider Family Nurse Practitioner · NPI 1891273652

Sandra Messmer, NP is a Nurse Practitioner in Meridian, Idaho. Qualified in 2018, 8 years ago. Practices with Saint Alphonsus Regional Medical Center Inc, a 673-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Idaho and Missouri.

Years since qualifying
8
Licensed in
ID, MO
In the registry since
2018
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

867 S Vanguard Way
Meridian, ID 83642-7552
Phone: (208) 302-7950
Fax: (208) 302-7955
Show map & directions

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

Additional practice locations (1)

  • 512 N 21st Ave, Caldwell, ID 83605-4368 — (208) 809-2875

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 59692 (ID)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 2018026389 (MO)

Record details

NPI number1891273652
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedAugust 3, 2018
Last updated in NPPESSeptember 9, 2024
Certification dateSeptember 9, 2024

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Saint Alphonsus Regional Medical Center Inc — 673 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

Other providers in Meridian