WILLIAM HAFFNER MD
NPI 1033853056
Family Medicine in Winchester, VA
About William Haffner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM HAFFNER MD (NPI 1033853056) is an individual family medicine provider in Winchester, Virginia, licensed in Virginia (0101287427) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, is affiliated with Winchester Medical Center, and maintains a secondary practice location in Winchester.
NPPES Registry Identity
Specialties & Licenses
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Secondary Practice Location 1
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
William Haffner Md 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Winchester Medical Center
Acute Care Hospitals · Winchester, VAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 22602 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is William Haffner's NPI number?
The NPI number for William Haffner is 1033853056. It was assigned to this individual provider in the NPPES registry on April 26, 2022.
Where is William Haffner located?
William Haffner practices at 217 Grocery Ave Ste B, Winchester, VA 22602. The listed phone number is (540) 536-7700.
What is William Haffner's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is William Haffner enrolled in Medicare?
Yes. William Haffner is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Is William Haffner affiliated with any hospitals?
According to CMS data, William Haffner is affiliated with Winchester Medical Center.
When was this NPI record last updated?
The NPPES record for William Haffner was last updated on December 3, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.