NPIMap

Individual provider Active NPI

Ehrin J Armstrong, M.D.

  • Interventional Cardiology Physician
  • Englewood, CO
National Provider Identifier
1699733634
Registry record updated Aug 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Interventional Cardiology PhysicianTaxonomy code 207RI0011X
License
DR.0053941 Issued in CO
Practice address
499 E Hampden Ave Ste 200
Englewood, CO 80113-2792
Phone
(303) 226-4648
NPI assigned
May 1, 2006
Last updated
Aug 19, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 19, 2025

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 DR.0053941 CO
Interventional Cardiology Physician 207RI0011X DR.0053941 CO Primary

Addresses

Primary practice location

499 E Hampden Ave Ste 200
Englewood, CO 80113-2792

Mailing address

499 E Hampden Ave Ste 200
Englewood, CO 80113-2792
Phone (303) 226-4648

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO
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
I20140121001399 CO Practitioner - Interventional CardiologyPractitioner - Cardiovascular Disease (Cardiology) 9830196039 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Interventional CardiologyAlso: Cardiovascular Disease (Cardiology)
Education
Harvard Medical School, 2004
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Healthone Heart Care LLCGroup PAC ID 9436394467, 48 clinicians

Practice addresses (Care Compare)

235 W Fletcher St
Haxtun, CO 80731-2737
Phone (970) 774-6123

602 N 6TH St W
Cheyenne Wells, CO 80810-5125
Phone (719) 767-5661

615 W 5TH St N
Cheyenne Wells, CO 80810
Phone (719) 767-5669

PO Box
Cheyenne Wells, CO 80810

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
68.01 of 100Reported as group
Quality
76.44
Promoting interoperability
100
Improvement activities
40
Cost
10

Procedures performed for Medicare patients

ProcedureNumber of procedures
Coronary angioplasty and stenting26
Pacemaker insertion or repair1-10
Varicose vein removal17
Leg revascularization (restoring blood flow)32

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Keefe Memorial Health Service District CurrentSince Nov 1, 2025 Accepting new patients
Keefe Memorial Health Service District CurrentSince Nov 22, 2024 Accepting new patients
Vascular Labs of the Rockies PLLC Cardiovascular Disease CurrentSince Dec 3, 2023 Accepting new patients
Keefe Memorial Health Service District CurrentSince Nov 22, 2024 Accepting new patients
Advanced Heart and Vein Center Inc Cardiovascular Disease CurrentSince Sep 1, 2022 Accepting new patients
Healthone Heart Care LLC Cardiovascular Disease CurrentSince Sep 1, 2025 Accepting new patients
Regents of the Univ of Ca Past Accepting new patients
Mass General Brigham Medical Group Suburban Massachusetts Inc Cardiovascular Disease Past Accepting new patients
Healthone Heart Care LLC Cardiovascular Disease PastSince Sep 27, 2020 Accepting new patients
Newton-Wellesley Hospital Past Accepting new patients

Locations

1444 S Potomac St
#30
Aurora, CO 80012
Phone (303) 750-0822

14100 E Arapahoe Rd
Ste 130
Centennial, CO 80112
Phone (303) 241-5751

602 N 6th St W
Cheyenne Wls, CO 80810
Phone (719) 767-5661

4105 E Florida Ave
Ste 100
Denver, CO 80222
Phone (303) 539-0736

4105 E Florida Ave
Ste 200
Denver, CO 80222
Phone (303) 364-1057

499 E Hampden Ave
Ste 200
Englewood, CO 80113
Phone (303) 409-1430

235 W Fletcher St
Haxtun, CO 80731
Phone (970) 774-6123

102 E 2nd Ave
Kit Carson, CO 80825
Phone (719) 962-3501

10103 Ridgegate Pkwy
Ste 103
Lone Tree, CO 80124
Phone (303) 645-0090

805 E 144th Ave
Ste 100
Thornton, CO 80023

2000 Health Park Dr
Brentwood, TN 37027
Phone (615) 372-5426

Interoperability endpoints

  • Direct secure messaging: ehrin.armstrong.1@14566.direct.athenahealth.com
  • Direct secure messaging: ehrin.armstrong@hca3.eclinicaldirectplus.com

Organizations & group practices 10

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 15

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 15

NPI Registry JSON

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

{
    "created_epoch": "1146441600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755561600000",
    "number": "1699733634",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "499 E HAMPDEN AVE STE 200",
            "city": "ENGLEWOOD",
            "state": "CO",
            "postal_code": "801132792",
            "telephone_number": "303-226-4648"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "499 E HAMPDEN AVE STE 200",
            "city": "ENGLEWOOD",
            "state": "CO",
            "postal_code": "801132792",
            "telephone_number": "303-226-4648"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ARMSTRONG",
        "first_name": "EHRIN",
        "middle_name": "J",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-01",
        "last_updated": "2025-08-19",
        "certification_date": "2025-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "CO",
            "license": "DR.0053941",
            "primary": false
        },
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "CO",
            "license": "DR.0053941",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Englewood, CO

Sources for this page

Verify at the official NPI Registry.