Individual provider Active NPI

Alison Huffstetler, M.D.

  • Family Medicine Physician
  • Fairfax, VA
National Provider Identifier
1649665688
Registry record updated Feb 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
MD045978 Issued in DC
Practice address
3650 Joseph Siewick Dr Ste 400
Fairfax, VA 22033-1715
Phone
(703) 391-2020
Fax
(703) 391-1211
NPI assigned
Apr 6, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 10, 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 MD045978 DC Primary

Addresses

Primary practice location

3650 Joseph Siewick Dr Ste 400
Fairfax, VA 22033-1715

Mailing address

3650 Joseph Siewick Dr Ste 400
Fairfax, VA 22033-1715
Phone (703) 391-2020

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address ahuffstetler684074@soc.inova.org Health Information Exchange (HIE) Inova Physician Partners, LLC

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC
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
I20180709001828 DC Practitioner - Family Practice 7719294362 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Inova Physician Partners LLCGroup PAC ID 2466581772, 258 clinicians

Practice addresses (Care Compare)

3650 Joseph Siewick Dr
Suite 400
Fairfax, VA 22033-1715
Phone (703) 391-2020

Hospital & facility affiliations

  • Inova Fairfax Hospital Hospital, Falls Church, VA, CCN 490063

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Privia Medical Group, LLC Family Medicine CurrentSince Jul 29, 2019 Accepting new patients
Inova Physician Partners, LLC Family Medicine CurrentSince Jun 25, 2020 Accepting new patients
Evergreen Primary Care Collaborative P LLC Family Medicine Current Accepting new patients
Privia Medical Group, LLC CurrentSince Jul 29, 2019 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Inova Physician Partners, Inc. - Specialists Past Accepting new patients

Locations

4910 Massachusetts Ave NW
Ste 115
Washington, DC 20016
Phone (202) 237-0015

1377 R St NW
Ste 200
Washington, DC 20009
Phone (202) 745-7000

1150 Varnum St NE
Washington, DC 20017
Phone (202) 269-7000

9470 Annapolis Rd
Ste 309
Lanham, MD 20706
Phone (202) 832-1800

3914 Centreville Rd
Ste 250
Chantilly, VA 20151
Phone (703) 435-1223

3650 Joseph Siewick Dr
Ste 101
Fairfax, VA 22033
Phone (703) 391-0900

3650 Joseph Siewick Dr
Ste 400
Fairfax, VA 22033
Phone (703) 391-2020

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/HHFAED/Endpoint/HHFAED
  • Direct secure messaging: ahuffstetler684074@soc.inova.org

Organizations & group practices 6

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": "1428278400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739145600000",
    "number": "1649665688",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3650 JOSEPH SIEWICK DR STE 400",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220331715",
            "telephone_number": "703-391-2020",
            "fax_number": "703-391-1211"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3650 JOSEPH SIEWICK DR STE 400",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220331715",
            "telephone_number": "703-391-2020",
            "fax_number": "703-391-1211"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HUFFSTETLER",
        "first_name": "ALISON",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-04-06",
        "last_updated": "2025-02-10",
        "certification_date": "2025-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "DC",
            "license": "MD045978",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ahuffstetler684074@soc.inova.org",
            "affiliation": "Y",
            "endpointDescription": "Health Information Exchange",
            "affiliationName": "Inova Physician Partners, LLC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "3650 Joseph Siewick Dr Ste 400",
            "city": "Fairfax",
            "state": "VA",
            "country_code": "US",
            "postal_code": "220331715",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Fairfax, VA

Sources for this page

Verify at the official NPI Registry.