William Haffner, MD
Family Medicine Physician · Winchester, VA
William Haffner, MD is a family medicine physician with a practice address in Winchester, Virginia, and NPI 1033853056, issued on Apr 26, 2022. Check the license (Virginia 0101287427, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- William Haffner
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0101287427 VA
Self-reported in NPPES; status is on the state search - Practice location
- 217 Grocery Ave Ste B, Winchester, VA 22602
- Phone
- (540) 536-7700
- Enumerated
- Apr 26, 2022
- Record last updated
- Dec 3, 2025
- Fax
- (540) 536-7701
- Medicare enrollment
- Enrolled (PECOS I20251030000164); accepts Medicare assignment
- Medical or professional school
- University Of Arkansas College Of Medicine, 2025
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 4,137 in Virginia → Look up another NPI →
Also registered at 217 Grocery Ave Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lilian Gobrial, DOFamily Medicine Physician1811512684
Verify William Haffner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101287427Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family medicine physician in 2024
164 Medicare Part D claims for 55 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium13 claims
- Losartan Potassium11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
One hospital affiliation
- Winchester Medical CenterWinchester, VA · Acute Care Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
William Haffner among 4,137 family medicine physician records in Virginia
William Haffner, MD is one of 4,137 family medicine physician records with a practice address in Virginia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 93% of them.
- NPI issued2022 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2025 · median 2004 among the 2,426 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 family medicine physician records list a practice address in Winchester
They are 56 of the 2,762 NPPES records with a practice address in Winchester, and 4,137 family medicine physician records in Virginia.
All 4,137 in Virginia → Every provider in Winchester → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Barbara Bernard, M.D.Winchester, VA 226021669432936
- Barbara Feshami, M.D.Winchester, VA 226021063484806
- Lilian Gobrial, DOWinchester, VA 226021811512684
- Laura Lawson, DOWinchester, VA 226021295869543
- William SmithWinchester, VA 226021982348892
- Jordan Tran, M.D.Winchester, VA 226021730417338
- Trieu VoWinchester, VA 226021114614179
- Mavis Agyeiwaah, MDWinchester, VA 226011902218944
Common questions
What is William Haffner, MD's NPI number?
William Haffner, MD's National Provider Identifier (NPI) is 1033853056, issued on Apr 26, 2022. An NPI identifies a provider in billing; it is not a license.
Where is William Haffner, MD located?
The NPPES record lists a practice address at 217 Grocery Ave Ste B, Winchester, VA, 22602. Phone: (540) 536-7700. Providers update this record themselves, so call before visiting.
How can I verify William Haffner, MD's license?
NPPES lists Virginia license number 0101287427, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Haffner, MD prescribe under Medicare Part D?
In 2024, William Haffner, MD had 164 Medicare Part D claims for 55 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions 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.