MARY KATHERYN BUFFINGTON RN
NPI 1326891136
Nurse Practitioner - Family in Winchester, VA

Active since April 10, 2024PECOS EnrolledAccepts Medicare Assignment
2913 VALLEY AVE, WINCHESTER, VA 22601(540) 536-5200 Get Directions Write a Review

NPPES record last updated: August 13, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Aug 13, 2025, Apr 10, 2024 (2 updates tracked since 2024).

About Mary Katheryn Buffington Rn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY KATHERYN BUFFINGTON RN (NPI 1326891136) is an individual family provider in Winchester, Virginia, licensed in West Virginia (123570) and active in the NPI registry since April 2024. She is enrolled in Medicare PECOS, is affiliated with Berkeley Medical Center, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1326891136
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARY KATHERYN BUFFINGTONCredential: RN
Location Address2913 VALLEY AVEWinchester, VA 22601-2676
Mailing Address2913 Valley AveWinchester, VA 22601-2676 · (540) 536-5200
Sole ProprietorNo
Medical School CMSOtherGraduated 2020
Enumeration DateApril 10, 2024
Last NPPES UpdateAugust 13, 20252 updates tracked since enumeration
NPPES CertifiedAugust 13, 2025
NPI 1326891136 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in WV · 123570
Also ListedRegistered NurseTaxonomy 163W00000X · License 68870 (WV)
2913 VALLEY AVE, Winchester, VA 22601

Other Names 1

Former Name (1)Mary Katheryn Hill Rn

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mary Katheryn Buffington Rn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2062914468
PECOS Enrollment IDI20250905000500
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Berkeley Medical Center

Acute Care Hospitals · Martinsburg, WV
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number510008
Location2500 Hospital DriveMartinsburg, WV 25401 · Berkeley County
Emergency services Birthing friendly

Valley Health War Memorial Hospital

Critical Access Hospitals · Berkeley Springs, WV
OwnershipVoluntary non-profit - Private
CMS Certification Number511309
Location1 Healthy WayBerkeley Springs, WV 25411 · Morgan County
Emergency services

Jefferson Medical Center

Critical Access Hospitals · Ranson, WV
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number511319
Location300 South Preston StreetRanson, WV 25438 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
2913 VALLEY AVE, SUITE 200
WINCHESTER, VA 22601
Clinic/Center (Sleep Disorder Diagnostic)
2913 VALLEY AVE, SUITE 125
WINCHESTER, VA 22601
Nurse Practitioner (Pediatrics)
2913 VALLEY AVE, SUITE 200
WINCHESTER, VA 22601
Family Medicine
2913 VALLEY AVE, SUITE 200
WINCHESTER, VA 22601
Registered Nurse (Home Health)
2913 VALLEY AVE
WINCHESTER, VA 22601
Registered Nurse
2913 VALLEY AVE
WINCHESTER, VA 22601
Registered Nurse
2913 VALLEY AVE
WINCHESTER, VA 22601
Registered Nurse
2913 VALLEY AVE
WINCHESTER, VA 22601

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1326891136, enumerated as an "individual" on April 10, 2024.

The provider is located at 2913 VALLEY AVE WINCHESTER, VA 22601 and the phone number is (540) 536-5200.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.

The provider might be accepting Accepts: CareSource and Highmark Blue Cross Blue Shield. Please consult your insurance carrier or call the provider to verify.

Mary Buffington is affiliated with: BERKELEY MEDICAL CENTER, VALLEY HEALTH WAR MEMORIAL HOSPITAL and JEFFERSON MEDICAL CENTER.