WILLIAM HAFFNER (MD) – Family Medicine Physician, NPI 1033853056
Family Medicine Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
3,174 FAMILY PRACTICE in VA
Provider Addresses for WILLIAM HAFFNER (MD)
1840 Amherst St
Winchester, VA 226012808
Phone: (540) 536-8000
Fax: (540) 536-7780
Type: Location
602 LUXOR CT
FORT WASHINGTON, MD 207446000
Phone: (301) 693-3518
Type: Mailing
1125 N COLLEGE AVE
FAYETTEVILLE, AR 727031908
Phone: (479) 521-8269
Fax: (479) 444-7820
Type: Location
220 CAMPUS BLVD STE 320
WINCHESTER, VA 226012889
Phone: (540) 536-5100
Fax: (540) 536-0235
Type: Mailing
217 GROCERY AVE STE B
WINCHESTER, VA 226028934
Phone: (540) 536-7700
Fax: (540) 536-7701
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2025-10-30
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20251030000164 | I | Family Practice | VA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 22601)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| G A S T R O E N T E R O L O G Y | GA | |
| Marriage And Family Therapist | NY | |
| Clinical Psychologist | VA | |
| Physical Medicine And Rehabilitation | MD | |
| O B S T E T R I C S/ G Y N E C O L O G Y | VA | |
| - | VA | |
| - | VA | |
| U R O L O G Y | VA | |
| Nurse Practitioner | MD | |
| - | VA |
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