Mary Buffington, RN
NPI 1326891136 · Family Nurse Practitioner · Winchester, VA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Buffington, RN is a Family Nurse Practitioner provider in Winchester, VA (NPI 1326891136).
Provider details
- NPI number
- 1326891136
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 68870 (WV)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2024-04-10
- Last updated
- 2025-08-13
- Certified
- 2025-08-13
Frequently asked questions
- What is Mary Buffington's NPI number?
- Mary Buffington's National Provider Identifier (NPI) is 1326891136, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Buffington's specialty?
- Mary Buffington is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Buffington located?
- Mary Buffington's practice location on file with NPPES is 2913 Valley Ave, Winchester, VA 22601-2676.
- What is Mary Buffington's phone number?
- The practice phone number listed in the NPPES registry for Mary Buffington is (540) 536-5200.
- Does Mary Buffington accept Medicare?
- Mary Buffington is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Buffington's NPI active?
- Yes — Mary Buffington's NPI (1326891136) is active in the NPPES registry as of the last update on 2025-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.