Individual provider Active NPI

William Haffner, MD

  • Family Medicine Physician
  • Winchester, VA
National Provider Identifier
1033853056
Registry record updated Dec 3, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
0101287427 Issued in VA
Practice address
217 Grocery Ave Ste B
Winchester, VA 22602-8934
Phone
(540) 536-7700
Fax
(540) 536-7701
NPI assigned
Apr 26, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 3, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 0101287427 VA Primary

Addresses

Primary practice location

217 Grocery Ave Ste B
Winchester, VA 22602-8934

Mailing address

220 Campus Blvd Ste 320
Winchester, VA 22601-2889
Phone (540) 536-5100

Other practice location 1

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

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address Whaffner1507090@ValleyHealth.direct-ci.com
Direct Messaging Address Whaffner1507090@ValleyHealth.direct-ci.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in VA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251030000164 VA Practitioner - Family Practice 6305335308 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
University of Arkansas College of Medicine, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Winchester Medical CenterGroup PAC ID 0244134021, 313 clinicians

Practice addresses (Care Compare)

1840 Amherst St
Winchester, VA 22601-2808
Phone (540) 536-8700

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
0101287427VAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Winchester Medical Center CurrentSince Dec 1, 2025 Accepting new patients
Winchester Medical Center Current Accepting new patients
Winchester Medical Center Current Accepting new patients
Winchester Medical Center Family Medicine CurrentSince Dec 1, 2025 Accepting new patients
Shenandoah Valley Pathology Laboratories Inc Current Accepting new patients
Winchester Medical Center Past Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

220 Campus Blvd
Ste 320
Winchester, VA 22601

1840 Amherst St
Winchester, VA 22601
Phone (540) 536-8700

217 Grocery Ave
Ste B
Winchester, VA 22602
Phone (540) 536-7700

Interoperability endpoints

  • Direct secure messaging: whaffner50216@washingtonregional.direct-ci.com
  • Direct secure messaging: whaffner1507090@valleyhealth.direct-ci.com

Organizations & group practices 7

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1650931200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764720000000",
    "number": "1033853056",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "220 CAMPUS BLVD STE 320",
            "city": "WINCHESTER",
            "state": "VA",
            "postal_code": "226012889",
            "telephone_number": "540-536-5100",
            "fax_number": "540-536-0235"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "217 GROCERY AVE STE B",
            "city": "WINCHESTER",
            "state": "VA",
            "postal_code": "226028934",
            "telephone_number": "540-536-7700",
            "fax_number": "540-536-7701"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1840 Amherst St",
            "address_purpose": "LOCATION",
            "city": "Winchester",
            "state": "VA",
            "postal_code": "226012808",
            "country_code": "US",
            "telephone_number": "540-536-8000",
            "fax_number": "540-536-7780",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAFFNER",
        "first_name": "WILLIAM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-04-26",
        "last_updated": "2025-12-03",
        "certification_date": "2025-12-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "VA",
            "license": "0101287427",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Whaffner1507090@ValleyHealth.direct-ci.com",
            "affiliation": "N",
            "address_1": "1840 Amherst St",
            "city": "Winchester",
            "state": "VA",
            "country_code": "US",
            "postal_code": "226012808",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "Whaffner1507090@ValleyHealth.direct-ci.com",
            "affiliation": "N",
            "address_1": "217 Grocery Ave Ste B",
            "city": "Winchester",
            "state": "VA",
            "country_code": "US",
            "postal_code": "226028934",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Winchester, VA

Sources for this page

Verify at the official NPI Registry.