Individual provider Active NPI

Cormac O'Connor, M.D.

  • Family Medicine Physician
  • Falls Church, VA
National Provider Identifier
1780686360
Registry record updated Jun 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
0101262650 Issued in VA
Practice address
7700 Arlington Blvd # 2Nw134B
Falls Church, VA 22042-2929
Phone
(202) 340-5136
NPI assigned
Aug 12, 2005
Last updated
Jun 17, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 17, 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 0101262650 VA Primary

Addresses

Primary practice location

7700 Arlington Blvd # 2Nw134B
Falls Church, VA 22042-2929

Mailing address

1580 Kingstream Cir
Herndon, VA 20170-2752

Other practice location 1

9300 DeWitt Loop
Ft Belvoir, VA 22060-5285
Phone (202) 340-5136

Other practice location 2

915 N St SE
Washington, DC 20374-5162
Phone (202) 340-5136

Other practice location 3

7042 Little River Tpke Ste A
Annandale, VA 22003-5973
Phone (703) 343-7125

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address VAExchange@patientfirstclinics.com Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, VA2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20250623004057 DC Practitioner - Family Practice 7315459641 Reassigns benefits to 1 organization
I20250818004228 VA Practitioner - Family Practice 7315459641 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Tulane University School of Medicine, 2002
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

6311 Richmond Hwy
Alexandria, VA 22306-6410
Phone (703) 647-6087

7042 Little River Tpke
Suite a
Annandale, VA 22003-5973
Phone (703) 343-7125

8110 Midlothian Tpke
North Chesterfield, VA 23235-5116
Phone (804) 320-8160

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Patient First Richmond Medical Group PLLC Family Medicine CurrentSince May 5, 2025 Accepting new patients
Patient First Richmond Medical Group PLLC Family Medicine CurrentSince May 5, 2025 Accepting new patients

Locations

6311 Richmond Hwy
Alexandria, VA 22306
Phone (703) 647-6087

7042 Little River Tpke
Ste A
Annandale, VA 22003
Phone (703) 343-7125

5000 Cox Rd
Glen Allen, VA 23060
Phone (804) 822-4355

601 Potomac Station Dr NE
Leesburg, VA 20176
Phone (703) 840-1396

8110 Midlothian Tpke
North Chesterfield, VA 23235
Phone (804) 320-8160

Interoperability endpoints

  • Direct secure messaging: vaexchange@patientfirstclinics.com

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1123804800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750118400000",
    "number": "1780686360",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1580 KINGSTREAM CIR",
            "city": "HERNDON",
            "state": "VA",
            "postal_code": "201702752"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7700 ARLINGTON BLVD # 2NW134B",
            "city": "FALLS CHURCH",
            "state": "VA",
            "postal_code": "220422929",
            "telephone_number": "202-340-5136"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9300 DeWitt Loop",
            "address_purpose": "LOCATION",
            "city": "Ft Belvoir",
            "state": "VA",
            "postal_code": "220605285",
            "country_code": "US",
            "telephone_number": "202-340-5136",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "915 N St SE",
            "address_purpose": "LOCATION",
            "city": "Washington",
            "state": "DC",
            "postal_code": "203745162",
            "country_code": "US",
            "telephone_number": "202-340-5136",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7042 Little River Tpke Ste A",
            "address_purpose": "LOCATION",
            "city": "Annandale",
            "state": "VA",
            "postal_code": "220035973",
            "country_code": "US",
            "telephone_number": "703-343-7125",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'CONNOR",
        "first_name": "CORMAC",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-08-12",
        "last_updated": "2025-06-17",
        "certification_date": "2025-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "VA",
            "license": "0101262650",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "VAExchange@patientfirstclinics.com",
            "affiliation": "N",
            "endpointDescription": "email",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "7042 Little River Tpke Ste A",
            "city": "Annandale",
            "state": "VA",
            "country_code": "US",
            "postal_code": "220035973",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Falls Church, VA

Sources for this page

Verify at the official NPI Registry.