NPIMap

Organization Active NPI

Passaic Hospitalist Services, LLC

  • Hospitalist Physician
  • Paterson, NJ
National Provider Identifier
1144903733
Registry record updated Aug 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
Legal business name
PASSAIC HOSPITALIST SERVICES, LLC
Practice address
703 Main St
Paterson, NJ 07503-2621
Phone
(973) 754-2000
NPI assigned
Aug 9, 2023
Last updated
Aug 13, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 13, 2026

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

Authorized official

Name
Kim Larsen
Title
Director of Credentialing
Phone
(770) 874-5400

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X NU Primary

Addresses

Primary practice location

703 Main St
Paterson, NJ 07503-2621

Mailing address

PO Box 36632
Belfast, ME 04915-1208
Phone (770) 874-5400

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20231026002969 NJ Part B Supplier - Clinic/Group Practice 8426404484 Receives reassigned benefits from 80 practitioners
Practice locations: Paterson, NJ; Wayne, NJ

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 82

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 82

NPI Registry JSON

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

{
    "created_epoch": "1691539200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786579200000",
    "number": "1144903733",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 36632",
            "city": "BELFAST",
            "state": "ME",
            "postal_code": "049151208",
            "telephone_number": "770-874-5400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "703 MAIN ST",
            "city": "PATERSON",
            "state": "NJ",
            "postal_code": "075032621",
            "telephone_number": "973-754-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PASSAIC HOSPITALIST SERVICES, LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2023-08-09",
        "last_updated": "2026-08-13",
        "certification_date": "2026-08-13",
        "status": "A",
        "authorized_official_last_name": "LARSEN",
        "authorized_official_first_name": "KIM",
        "authorized_official_title_or_position": "DIRECTOR OF CREDENTIALING",
        "authorized_official_telephone_number": "770-874-5400"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Paterson, NJ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.