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

Mary Katheryn Buffington, RN

Individual provider Registered Nurse · NPI 1326891136

Mary Katheryn Buffington, RN is a Nurse Practitioner in Winchester, Virginia. Qualified in 2020, 6 years ago. Practices with West Virginia University Medical Corporation, a 1,981-clinician group and accepts Medicare assignment. Licensed in West Virginia.

Years since qualifying
6
Licensed in
WV
In the registry since
2024
Specialties on file
2
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

2913 Valley Ave
Winchester, VA 22601-2676
Phone: (540) 536-5200
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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 123570 (WV)
Registered Nurse Taxonomy 163W00000X · Licence 68870 (WV)

Record details

NPI number1326891136
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorNo
NPI enumeratedApril 10, 2024
Last updated in NPPESAugust 13, 2025
Certification dateAugust 13, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice West Virginia University Medical Corporation — 1981 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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