Individual provider Active NPI

Margaret Crenshaw, MD

  • Family Medicine Physician
  • Vienna, VA
National Provider Identifier
1144665019
Registry record updated Sep 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
MD044228 Issued in DC
Practice address
115 Park St SE Ste 300
Vienna, VA 22180-4653
Phone
(703) 255-9100
Fax
(703) 255-3457
NPI assigned
May 6, 2013
Last updated
Sep 23, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 23, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Family Medicine Physician 207Q00000X MD044228 DC Primary

Addresses

Primary practice location

115 Park St SE Ste 300
Vienna, VA 22180-4653

Mailing address

115 Park St SE Ste 300
Vienna, VA 22180-4653
Phone (703) 255-9100

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
I20161003001837 DC Practitioner - Family Practice 6800029422 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
University of Maryland School of Medicine, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Fairfax Family Practice Centers PCGroup PAC ID 4082513031, 106 clinicians

Practice addresses (Care Compare)

115 Park St SE
Suite 300
Vienna, VA 22180-4653
Phone (703) 255-9100

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Unity Health Care, Inc. CurrentSince Aug 25, 2016 Accepting new patients
Fairfax Family Practice Centers PC Family Medicine CurrentSince Jul 1, 2025 Accepting new patients
Unity Health Care Inc. CurrentSince Aug 25, 2016 Accepting new patients
Unity Health Care, Inc PastSince Sep 1, 2019 Accepting new patients

Locations

1310 Southern Ave SE
Washington, DC 20032
Phone (202) 574-6000

555 L St SE
Washington, DC 20003
Phone (202) 548-4520

850 Delaware Ave SW
Washington, DC 20024
Phone (202) 548-4520

6201 Centreville Rd
Ste 100
Centreville, VA 20121
Phone (703) 263-9600

115 Park St SE
Ste 300
Vienna, VA 22180
Phone (703) 255-9100

Interoperability endpoints

  • Direct secure messaging: mcrenshaw1465497@soc.inova.org

Organizations & group practices 4

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

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": "1367798400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758585600000",
    "number": "1144665019",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "115 PARK ST SE STE 300",
            "city": "VIENNA",
            "state": "VA",
            "postal_code": "221804653",
            "telephone_number": "703-255-9100",
            "fax_number": "703-255-3457"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "115 PARK ST SE STE 300",
            "city": "VIENNA",
            "state": "VA",
            "postal_code": "221804653",
            "telephone_number": "703-255-9100",
            "fax_number": "703-255-3457"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CRENSHAW",
        "first_name": "MARGARET",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-05-06",
        "last_updated": "2025-09-23",
        "certification_date": "2025-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "DC",
            "license": "MD044228",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Vienna, VA

Sources for this page

Verify at the official NPI Registry.