Individual provider Active NPI

Jack Greiner

  • Acute Care Nurse Practitioner
  • Nutley, NJ
National Provider Identifier
1972320125
Registry record updated Sep 20, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Acute Care Nurse PractitionerTaxonomy code 363LA2100X
License
26NJ15141400 Issued in NJ
Practice address
340 Kingsland St
Nutley, NJ 07110-1150
Phone
(973) 761-9306
NPI assigned
Sep 20, 2024
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 20, 2024

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Acute Care Nurse Practitioner 363LA2100X 26NJ15141400 NJ Primary

Addresses

Primary practice location

340 Kingsland St
Nutley, NJ 07110-1150

Mailing address

340 Kingsland St
Nutley, NJ 07110-1150

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250729004883 NJ Practitioner - Nurse Practitioner 8527575968 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2025
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Barnabas Health Medical Group PCGroup PAC ID 9537316955, 1,027 clinicians

Practice addresses (Care Compare)

94 Old Short Hills Rd
Livingston, NJ 07039-5672
Phone (973) 322-5630

Hospital & facility affiliations

  • Cooperman Barnabas Medical Center Hospital, Livingston, NJ, CCN 310076

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
26NJ15141400NJMDAcute Care Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Barnabas Health Medical Group PC CurrentSince May 18, 2025 Accepting new patients
Barnabas Health Medical Group PC CurrentSince May 18, 2025 Accepting new patients

Locations

475 Route 70
Ste 101
Lakewood, NJ 08701
Phone (732) 364-8000

94 Old Short Hills Rd
Ste 1
Livingston, NJ 07039
Phone (973) 322-2800

94 Old Short Hills Rd
Livingston, NJ 07039
Phone (973) 322-5400

Organizations & group practices 2

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.

Hospital & facility affiliations 1

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": "1726790400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1726790400000",
    "number": "1972320125",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "340 KINGSLAND ST",
            "city": "NUTLEY",
            "state": "NJ",
            "postal_code": "071101150"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "340 KINGSLAND ST",
            "city": "NUTLEY",
            "state": "NJ",
            "postal_code": "071101150",
            "telephone_number": "973-761-9306"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREINER",
        "first_name": "JACK",
        "name_prefix": "Mr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2024-09-20",
        "last_updated": "2024-09-20",
        "certification_date": "2024-09-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "NJ",
            "license": "26NJ15141400",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Nutley, NJ

Sources for this page

Verify at the official NPI Registry.