Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Katherine Liias, MSN, FNP-C

Individual provider Family Nurse Practitioner · NPI 1578011870

Mrs. Katherine Liias, MSN, FNP-C is a Nurse Practitioner in Arlington, Virginia. Qualified in 2016, 10 years ago. Practices with Minuteclinic Diagnostic of Virginia LLC, a 141-clinician group and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
10
Licensed in
VA
In the registry since
2016
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

3133 Lee Hwy
Arlington, VA 22201-4207
Phone: (703) 522-0260
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 0024173934 (VA)

Record details

NPI number1578011870
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , FNP-C
Sole proprietorNo
NPI enumeratedSeptember 14, 2016
Last updated in NPPESDecember 28, 2016

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Minuteclinic Diagnostic Of Virginia Llc — 141 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients61
Services billed 128 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Colleagues at Minuteclinic Diagnostic of Virginia LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 141 clinicians in the practice; 12 are shown here.

Other providers in Arlington