Individual provider Active NPI

Stephen M. Day, M.D.

  • Interventional Cardiology Physician
  • Alexandria, VA
National Provider Identifier
1851397467
Registry record updated Aug 25, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Interventional Cardiology PhysicianTaxonomy code 207RI0011X
License
0101057025 Issued in VA
Practice address
4825 Mark Center Dr Ste 150
Alexandria, VA 22311-1846
Phone
(703) 751-8111
Fax
(703) 751-1105
NPI assigned
Jun 28, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2022

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 0101057025 VA
Interventional Cardiology Physician 207RI0011X 0101057025 VA Primary

Addresses

Primary practice location

4825 Mark Center Dr Ste 150
Alexandria, VA 22311-1846

Mailing address

2901 Telestar CT.
#300
Falls Church, VA 22042-1261
Phone (703) 591-1688

Other identifiers 5

IdentifierTypeStateIssuer
1851397467MedicaidVA
029735400MedicaidDC
101700400MedicaidMD
060059673OtherDCRAILROAD MEDICARE DC#
060059673OtherVARAILROAD MEDICARE VA#

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address sday25026@soc.inova.org

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
I20040414001018 DC Practitioner - Interventional CardiologyPractitioner - Cardiovascular Disease (Cardiology)Practitioner - Other (Physician) 3577557180 Reassigns benefits to 3 organizations
I20090728000021 VA Practitioner - Interventional CardiologyPractitioner - Cardiovascular Disease (Cardiology)Practitioner - Other (Physician) 3577557180 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Interventional CardiologyAlso: Cardiovascular Disease (Cardiology)
Education
Medical College of Wisconsin, 1993
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Inova Health Care ServicesGroup PAC ID 2466351093, 1,821 clinicians

Practice addresses (Care Compare)

1005 N Glebe Rd
Arlington, VA 22201-5766

1701 N George Mason Dr
Arlington, VA 22205-3610
Phone (703) 558-5000

2901 Telestar CT
Falls Church, VA 22042-1260

2901 Telestar CT
Suite 200
Falls Church, VA 22042-1262
Phone (703) 573-3494

3300 Gallows Rd
Falls Church, VA 22042-3307

3580 Joseph Siewick Dr
Fairfax, VA 22033-1764

4320 Seminary Rd
Alexandria, VA 22304-1535

44035 Riverside Pkwy
Leesburg, VA 20176-8260

44045 Rivderside Pkwy
Leesburg, VA 20176-5101

4660 Kenmore Ave
Alexandria, VA 22304-1306

4825 Mark Ctr Dr
Suite 150
Alexandria, VA 22311-1846
Phone (703) 751-8111

Hospital & facility affiliations

  • Inova Alexandria Hospital Hospital, Alexandria, VA, CCN 490040
  • Inova Fairfax Hospital Hospital, Falls Church, VA, CCN 490063
  • Virginia Hospital Center Hospital, Arlington, VA, CCN 490050
  • Inova Loudoun Hospital Hospital, Leesburg, VA, CCN 490043
  • Inova Mount Vernon Hospital Hospital, Alexandria, VA, CCN 490122

Merit-based Incentive Payment System (MIPS)

Final score
83.36 of 100Reported as group
Quality
73.03
Promoting interoperability
100
Improvement activities
40
Cost
71.49

Procedures performed for Medicare patients

ProcedureNumber of procedures
Coronary angioplasty and stenting13
Pacemaker insertion or repair1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
0101057025VAMDInterventional Cardiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Virginia Hospital Center Arlington Health System CurrentSince Oct 1, 2000 Accepting new patients
Inova Health Care Services CurrentSince Mar 4, 2009 Accepting new patients
Reston Hospital Center, LLC CurrentSince Aug 20, 2016 Accepting new patients
Virginia Hospital Center Arlington Health System CurrentSince Oct 1, 2000 Accepting new patients
The Cardiovascular Group, PC Cardiovascular Disease CurrentSince Jul 1, 2000 Accepting new patients
Inova Health Care Services CurrentSince Mar 4, 2009 Accepting new patients
Inova Health Care Services CurrentSince Jan 1, 2015 Accepting new patients
Reston Hospital Center, LLC CurrentSince Aug 20, 2016 Accepting new patients
Northern Virginia Community Hospital, LLC CurrentSince May 16, 2017 Accepting new patients
Northern Virginia Community Hospital LLC Cardiovascular Disease CurrentSince May 16, 2017 Accepting new patients
Inova Alexandria Hospital Cardiovascular Disease Past Accepting new patients

Locations

4660 Kenmore Ave
Ste 1200
Alexandria, VA 22304
Phone (703) 751-8111

4825 Mark Center Dr
Ste 150
Alexandria, VA 22311
Phone (703) 751-8111

4320 Seminary Rd
Alexandria, VA 22304
Phone (703) 504-3000

1701 N George Mason Dr
Arlington, VA 22205
Phone (703) 558-5000

2901 Telestar Ct
Ste 300
Falls Church, VA 22042
Phone (703) 591-1688

3300 Gallows Rd
Falls Church, VA 22042
Phone (703) 352-9395

224B Cornwall St NW
Leesburg, VA 20176
Phone (703) 771-2894

44035 Riverside Pkwy
Ste 400
Leesburg, VA 20176
Phone (703) 858-5421

120B N Maple Ave
Purcellville, VA 20132
Phone (703) 723-8664

24440 Stone Springs Blvd
Sterling, VA 20166
Phone (571) 206-8696

24570 Medical Dr
Sterling, VA 20166
Phone (571) 367-4400

1900 Gallows Rd
Ste 110
Vienna, VA 22182
Phone (703) 281-1265

Organizations & group practices 33

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.

View all 33

Hospital & facility affiliations 7

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": "1119916800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1661385600000",
    "number": "1851397467",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2901 TELESTAR CT.",
            "address_2": "#300",
            "city": "FALLS CHURCH",
            "state": "VA",
            "postal_code": "220421261",
            "telephone_number": "703-591-1688",
            "fax_number": "703-591-1445"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4825 MARK CENTER DR STE 150",
            "city": "ALEXANDRIA",
            "state": "VA",
            "postal_code": "223111846",
            "telephone_number": "703-751-8111",
            "fax_number": "703-751-1105"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DAY",
        "first_name": "STEPHEN",
        "middle_name": "M.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-28",
        "last_updated": "2022-08-25",
        "certification_date": "2022-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "VA",
            "license": "0101057025",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "VA",
            "license": "0101057025",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1851397467",
            "state": "VA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "029735400",
            "state": "DC"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "101700400",
            "state": "MD"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE DC#",
            "identifier": "060059673",
            "state": "DC"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE VA#",
            "identifier": "060059673",
            "state": "VA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "sday25026@soc.inova.org",
            "affiliation": "N",
            "address_1": "4825 Mark Center Dr Ste 150",
            "city": "Alexandria",
            "state": "VA",
            "country_code": "US",
            "postal_code": "223111846",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Alexandria, VA

Sources for this page

Verify at the official NPI Registry.