NPIMap

Individual provider Active NPI

Justin Armstrong, DO

  • Interventional Cardiology Physician
  • Royal Oak, MI
National Provider Identifier
1114583523
Registry record updated Sep 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Interventional Cardiology PhysicianTaxonomy code 207RI0011X
License
5101026853 Issued in MI
Practice address
3601 W 13 Mile Rd
Royal Oak, MI 48073-6712
Phone
(248) 898-4163
NPI assigned
May 13, 2019
Last updated
Sep 1, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 1, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 5151013580 MI
Cardiovascular Disease Physician 207RC0000X 5101026853 MI
Interventional Cardiology Physician 207RI0011X 5101026853 MI Primary

Addresses

Primary practice location

3601 W 13 Mile Rd
Royal Oak, MI 48073-6712

Mailing address

26901 Beaumont Blvd Ste 3D
Southfield, MI 48033-3849

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address jarmstrong1223608@epic00.shdirect.org

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20190617001127 MI Order and Referring Only - Internal MedicinePractitioner - Internal Medicine 4688907181

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Kansas City University of Physicians and Surgeons, 2019
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

26901 Beaumont Blvd
Southfield, MI 48033-3849

2823 Golfview Dr Apt
Suite 204
Troy, MI 48084-3603

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
5101026853MIMDCardiovascular Disease Physician

Interoperability endpoints

  • Direct secure messaging: jarmstrong997028@direct.hfhs.org

Hospital & facility affiliations 11

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": "1557705600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788220800000",
    "number": "1114583523",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "26901 BEAUMONT BLVD STE 3D",
            "city": "SOUTHFIELD",
            "state": "MI",
            "postal_code": "480333849"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3601 W 13 MILE RD",
            "city": "ROYAL OAK",
            "state": "MI",
            "postal_code": "480736712",
            "telephone_number": "248-898-4163"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ARMSTRONG",
        "first_name": "JUSTIN",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-05-13",
        "last_updated": "2026-09-01",
        "certification_date": "2026-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "5151013580",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MI",
            "license": "5101026853",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "MI",
            "license": "5101026853",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jarmstrong1223608@epic00.shdirect.org",
            "affiliation": "N",
            "address_1": "3601 W 13 Mile Rd",
            "city": "Royal Oak",
            "state": "MI",
            "country_code": "US",
            "postal_code": "480736712",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Royal Oak, MI

Sources for this page

Verify at the official NPI Registry.