Individual provider Active NPI

Mark K Warshofsky, M.D.

  • Interventional Cardiology Physician
  • Danbury, CT
National Provider Identifier
1932141249
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Interventional Cardiology PhysicianTaxonomy code 207RI0011X
License
043783 Issued in CT
Practice address
24 Hospital Ave
Danbury, CT 06810-6099
Phone
(203) 797-7155
NPI assigned
Jun 12, 2006
Last updated
Jul 13, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Interventional Cardiology Physician 207RI0011X 043783 CT Primary

Addresses

Primary practice location

24 Hospital Ave
Danbury, CT 06810-6099

Mailing address

24 Hospital Ave
Danbury, CT 06810-6099
Phone (203) 797-7155

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT
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
I20051024000916 CT Practitioner - Interventional CardiologyPractitioner - Cardiovascular Disease (Cardiology) 7911943469 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Interventional CardiologyAlso: Cardiovascular Disease (Cardiology)
Education
George Washington University School of Medicine, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Nuvance Health Medical Practice CT IncGroup PAC ID 4789597691, 742 clinicians

Practice addresses (Care Compare)

24 Hospital Ave
Danbury, CT 06810-6099
Phone (203) 739-7118

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
043783CTMDInterventional Cardiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Nuvance Health Medical Practice CT, Inc. CurrentSince Sep 15, 2005 Accepting new patients
Trustees Columbia University City Ny Center Interventional Vascular TH Interventional Cardiology Past Accepting new patients
Trustees of Columbia University in the City of New York Past Accepting new patients
Trustees of Columbia University in the City of New York Cardiology Ass Past Accepting new patients

Locations

24 Hospital Ave
Danbury, CT 06810
Phone (203) 739-7118

24 Hospital Ave
#7
Danbury, CT 06810
Phone (203) 739-6959

Interoperability endpoints

  • FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/
  • FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/

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": "1150070400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1932141249",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24 HOSPITAL AVE",
            "city": "DANBURY",
            "state": "CT",
            "postal_code": "068106099",
            "telephone_number": "203-797-7155"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "24 HOSPITAL AVE",
            "city": "DANBURY",
            "state": "CT",
            "postal_code": "068106099",
            "telephone_number": "203-797-7155"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARSHOFSKY",
        "first_name": "MARK",
        "middle_name": "K",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-12",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0011X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Interventional Cardiology",
            "state": "CT",
            "license": "043783",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Danbury, CT

Sources for this page

Verify at the official NPI Registry.