NPPES file of Aug 9, 2026

Mary Katheryn Buffington, RN

Family Nurse Practitioner · Winchester, VA

Mary Katheryn Buffington, RN is a family nurse practitioner with a practice address in Winchester, Virginia, and NPI 1326891136, issued on Apr 10, 2024. Check the license with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326891136
Name
Mary Katheryn Buffington
Credential
RN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
123570 WV
68870 WV
Self-reported in NPPES; status is on the state search
Practice location
2913 Valley Ave, Winchester, VA 22601
Phone
(540) 536-5200
Enumerated
Apr 10, 2024
Record last updated
Aug 13, 2025
Medicare enrollment
Enrolled (PECOS I20250905000500); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2913 Valley Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robin Cather, PNPPediatric Nurse Practitioner1215003777
  2. Jill Defibaugh, NPNurse Practitioner1225018914
  3. Brenda GantHome Health Registered Nurse1194584466
  4. Victoria Greeley, RNRegistered Nurse1003770355
  5. Tracy Holsinger, RNRegistered Nurse1205689015
  6. Angelia Hutchens, RNRegistered Nurse1841182995

Verify Mary Katheryn Buffington in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virginia board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Virginia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. West Virginia University Medical CorporationMorgantown, WV

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

128 family nurse practitioner records list a practice address in Winchester

They are 128 of the 2,762 NPPES records with a practice address in Winchester, and 6,474 family nurse practitioner records in Virginia.

Other family nurse practitioner records in Virginia

  1. Marina Abad, NPManassas, VA1912174855
  2. Gilbert Abare, FNPChesapeake, VA1508623646
  3. Aaiza Abbas, NURSE PRACTITIONERManassas, VA1558016816
  4. Valerie Abbott, FNPRoanoke, VA1598106478
  5. Nashwa Abdalla, FNP-CFalls Church, VA1396524278
  6. Blen Abdi, FNPAlexandria, VA1114223146
  7. Zenet Abdul, NPTysons, VA1730851601
  8. Ahmed Abdulhamed, PMHNP-BCBurkeville, VA1437707304
  9. Sara Abdullahi, NPReston, VA1669137808
  10. Leda AbdulmuhinLeesburg, VA1851279327

Common questions

What is Mary Katheryn Buffington, RN's NPI number?

Mary Katheryn Buffington, RN's National Provider Identifier (NPI) is 1326891136, issued on Apr 10, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Mary Katheryn Buffington, RN located?

The NPPES record lists a practice address at 2913 Valley Ave, Winchester, VA, 22601. Phone: (540) 536-5200. Providers update this record themselves, so call before visiting.

How can I verify Mary Katheryn Buffington, RN's license?

Search the Virginia board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.