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

William Haffner, MD

Individual provider Family Medicine Physician · NPI 1033853056

William Haffner, MD is a Family Practice in Winchester, Virginia. Graduated from University of Arkansas College of Medicine in 2025, 1 year ago. Practices with Winchester Medical Center, a 312-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Virginia.

Years since qualifying
1
Trained at
University of Arkansas College of Medicine
Licensed in
VA
In the registry since
2022
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

217 Grocery Ave Ste B
Winchester, VA 22602-8934
Phone: (540) 536-7700
Fax: (540) 536-7701
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1840 Amherst St, Winchester, VA 22601-2808 — (540) 536-8000

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 0101287427 (VA)

Record details

NPI number1033853056
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 26, 2022
Last updated in NPPESDecember 3, 2025
Certification dateDecember 3, 2025
Mailing address220 Campus Blvd Ste 320, Winchester, VA 22601-2889

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF ARKANSAS COLLEGE OF MEDICINE
Graduated 2025 (1 years in practice)
Group practice Winchester Medical Center — 312 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Winchester