Individual provider Active NPI

Mark Leja, APN

  • Psychiatric/Mental Health Nurse Practitioner
  • Elizabeth, NJ
National Provider Identifier
1669242483
Registry record updated Mar 6, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X
License
26NJ14964400 Issued in NJ
Practice address
654 E Jersey St
Elizabeth, NJ 07206-1261
Phone
(908) 994-7552
NPI assigned
Jan 3, 2024
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 6, 2024

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatric/Mental Health Nurse Practitioner 363LP0808X 26NJ14964400 NJ Primary

Addresses

Primary practice location

654 E Jersey St
Elizabeth, NJ 07206-1261

Mailing address

PO Box 89
Wood Ridge, NJ 07075-0089
Phone (973) 519-2269

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
I20260202001783 NJ Practitioner - Nurse Practitioner 2769960673 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Barnabas Health Medical Group, PCGroup PAC ID 0648172809, 257 clinicians

Practice addresses (Care Compare)

201 Lyons Ave
Newark, NJ 07112-2027
Phone (732) 923-7455

Hospital & facility affiliations

  • Trinitas Regional Medical Center Hospital, Elizabeth, NJ, CCN 310027

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
26NJ14964400NJMDPsychiatric/Mental Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Barnabas Health Medical Group, PC CurrentSince Dec 22, 2025 Accepting new patients

Locations

201 Lyons Ave
Newark, NJ 07112
Phone (732) 923-7455

266 King George Rd
Warren, NJ 07059
Phone (732) 667-7778

223 Monmouth Rd
West Long Branch, NJ 07764
Phone (732) 229-3838

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.

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": "1704240000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1709683200000",
    "number": "1669242483",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 89",
            "city": "WOOD RIDGE",
            "state": "NJ",
            "postal_code": "070750089",
            "telephone_number": "973-519-2269"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "654 E JERSEY ST",
            "city": "ELIZABETH",
            "state": "NJ",
            "postal_code": "072061261",
            "telephone_number": "908-994-7552"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEJA",
        "first_name": "MARK",
        "name_prefix": "Mr.",
        "credential": "APN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2024-01-03",
        "last_updated": "2024-03-06",
        "certification_date": "2024-01-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NJ",
            "license": "26NJ14964400",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Elizabeth, NJ

Sources for this page

Verify at the official NPI Registry.