NPIMap

Individual provider Active NPI

Kartik K Viswanathan, MD

  • Internal Medicine Physician
  • Norwich, CT
National Provider Identifier
1629150974
Registry record updated Dec 21, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
035789 Issued in CT
Practice address
326 Washington St
Norwich, CT 06360-2740
Phone
(860) 889-8331
Fax
(860) 892-6926
NPI assigned
Oct 19, 2006
Last updated
Dec 21, 2018By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 21, 2018

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 035789 CT Primary

Addresses

Primary practice location

326 Washington St
Norwich, CT 06360-2740

Mailing address

606 West Main Street
Norwich, CT 06360
Phone (860) 889-1400

Other identifiers 1

IdentifierTypeStateIssuer
001357898MedicaidCT

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
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
I20180926001066 MA Practitioner - Internal Medicine 7113902461 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

2 Hospital Dr
Suite 101
Holyoke, MA 01040-6616
Phone (413) 536-8924

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
035789CTMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Lakes/National Emergency Physicians Inc CurrentSince Mar 1, 2020 Accepting new patients
Western Mass Physician Associates Inc Internal Medicine CurrentSince Oct 1, 2018 Accepting new patients
Holyoke Medical Center, Inc. CurrentSince Nov 1, 2024 Accepting new patients
Western Mass Physician Associates Inc Internal Medicine CurrentSince Oct 1, 2018 Accepting new patients

Locations

10 Hospital Dr
Ste 201
Holyoke, MA 01040
Phone (413) 533-3923

10 Hospital Dr
Ste 301
Holyoke, MA 01040
Phone (413) 534-2622

10 Hospital Dr
Ste 306
Holyoke, MA 01040
Phone (413) 539-6830

15 Hospital Dr
Ste 50
Holyoke, MA 01040
Phone (413) 534-2826

2 Hospital Dr
Ste 101
Holyoke, MA 01040
Phone (413) 536-6902

575 Beech St
Holyoke, MA 01040
Phone (413) 534-2626

575 Beech St
Ste 402
Holyoke, MA 01040
Phone (413) 534-2820

Interoperability endpoints

  • Direct secure messaging: kartik.viswanathan@direct.hmcs.masshiway.net

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 9

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": "1161216000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1545350400000",
    "number": "1629150974",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "606 WEST MAIN STREET",
            "city": "NORWICH",
            "state": "CT",
            "postal_code": "06360",
            "telephone_number": "860-889-1400",
            "fax_number": "860-889-3163"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "326 WASHINGTON ST",
            "city": "NORWICH",
            "state": "CT",
            "postal_code": "063602740",
            "telephone_number": "860-889-8331",
            "fax_number": "860-892-6926"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "VISWANATHAN",
        "first_name": "KARTIK",
        "middle_name": "K",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-19",
        "last_updated": "2018-12-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "035789",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001357898",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Norwich, CT

Sources for this page

Verify at the official NPI Registry.