Individual provider Active NPI

Leah Katz

  • Endocrinology, Diabetes & Metabolism Physician
  • Maywood, NJ
National Provider Identifier
1295667681
Registry record updated Jun 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
25MP00704300 Issued in NJ
Practice address
240 W Passaic St Ste 14
Maywood, NJ 07607-1264
Phone
(201) 903-0070
Fax
(201) 322-0287
NPI assigned
Jun 1, 2026
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 1, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Endocrinology, Diabetes & Metabolism PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207RE0101X 25MP00704300 NJ Primary

Addresses

Primary practice location

240 W Passaic St Ste 14
Maywood, NJ 07607-1264

Mailing address

68 Ridge Ave
Passaic, NJ 07055-2419

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
25MP00704300NJMDEndocrinology, Diabetes & Metabolism Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Comprehensive Endocrinology PC Single Specialty PastSince Nov 17, 2019 Accepting new patients

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1780272000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780272000000",
    "number": "1295667681",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "68 RIDGE AVE",
            "city": "PASSAIC",
            "state": "NJ",
            "postal_code": "070552419"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "240 W PASSAIC ST STE 14",
            "city": "MAYWOOD",
            "state": "NJ",
            "postal_code": "076071264",
            "telephone_number": "201-903-0070",
            "fax_number": "201-322-0287"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KATZ",
        "first_name": "LEAH",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2026-06-01",
        "last_updated": "2026-06-01",
        "certification_date": "2026-06-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "NJ",
            "license": "25MP00704300",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Maywood, NJ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.