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

Mary Margaret Liter, ARNP

Individual provider Nurse Practitioner · NPI 1558303628

Mary Margaret Liter, ARNP is a Nurse Practitioner in Post Falls, Idaho. Qualified in 2001, 25 years ago. Practices with North Idaho Day Surgery LLC, a 90-clinician group and accepts Medicare assignment. Licensed in Idaho and Washington.

Years since qualifying
25
Licensed in
ID, WA
In the registry since
2006
Specialties on file
2
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.

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Practice location Address checks out

1651 E Polston Ave
Post Falls, ID 83854
Phone: (208) 457-4208
Fax: (208) 457-4197
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence NP-512A (ID)
Nurse Practitioner Taxonomy 363L00000X · Licence AP60063574 (WA)

Record details

NPI number1558303628
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP
Sole proprietorNo
NPI enumeratedJune 12, 2006
Last updated in NPPESDecember 30, 2025
Certification dateDecember 30, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice North Idaho Day Surgery Llc — 90 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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