Individual provider Active NPI

Karen Hart, M.D.

  • Internal Medicine Physician
  • Ho Ho Kus, NJ
National Provider Identifier
1679539332
Registry record updated Oct 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MA070920 Issued in NJ
Practice address
619 N Maple Ave
Ho Ho Kus, NJ 07423-1683
Phone
(551) 284-6544
Fax
(551) 284-6543
NPI assigned
Apr 21, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 13, 2025

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 MA070920 NJ Primary

Addresses

Primary practice location

619 N Maple Ave
Ho Ho Kus, NJ 07423-1683

Mailing address

619 N Maple Ave
Ho Ho Kus, NJ 07423-1683
Phone (551) 284-6544

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.
Opted out of Medicare
Yes, effective Jan 1, 2026 through Jan 1, 2028

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1992
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

301 Godwin Ave
Midland Park, NJ 07432-1500

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
95.05 of 100Reported as apm
Quality
85.71
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MA070920NJMDInternal Medicine Physician

Interoperability endpoints

  • Direct secure messaging: karen.hart.1@33359.direct.athenahealth.com

Hospital & facility affiliations 4

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": "1145577600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760313600000",
    "number": "1679539332",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "619 N MAPLE AVE",
            "city": "HO HO KUS",
            "state": "NJ",
            "postal_code": "074231683",
            "telephone_number": "551-284-6544",
            "fax_number": "551-284-6543"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "619 N MAPLE AVE",
            "city": "HO HO KUS",
            "state": "NJ",
            "postal_code": "074231683",
            "telephone_number": "551-284-6544",
            "fax_number": "551-284-6543"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HART",
        "first_name": "KAREN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-04-21",
        "last_updated": "2025-10-13",
        "certification_date": "2025-10-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NJ",
            "license": "MA070920",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ho Ho Kus, NJ

Sources for this page

Verify at the official NPI Registry.