Individual provider Active NPI

Eison De Guzman, MD

  • Cardiovascular Disease Physician
  • Florham Park, NJ
National Provider Identifier
1942839667
Registry record updated Aug 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
25MA12625900 Issued in NJ
Practice address
140 Park Ave
Florham Park, NJ 07932-1049
Phone
(973) 404-9900
NPI assigned
Apr 4, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 25MA12625900 NJ Primary

Addresses

Primary practice location

140 Park Ave
Florham Park, NJ 07932-1049

Mailing address

1 Diamond Hill Rd
Berkeley Heights, NJ 07922-2104

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.

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
25MA12625900NJMDCardiovascular Disease Physician

Interoperability endpoints

  • Direct secure messaging: edeguzman19363@gwmfa.direct-ci.com

NPI Registry JSON

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

{
    "created_epoch": "1585958400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1942839667",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 DIAMOND HILL RD",
            "city": "BERKELEY HEIGHTS",
            "state": "NJ",
            "postal_code": "079222104"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "140 PARK AVE",
            "city": "FLORHAM PARK",
            "state": "NJ",
            "postal_code": "079321049",
            "telephone_number": "973-404-9900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DE GUZMAN",
        "first_name": "EISON",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-04-04",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NJ",
            "license": "25MA12625900",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Florham Park, NJ

Sources for this page

Verify at the official NPI Registry.