Individual provider Active NPI

Alexandra Joy Erhardt, DO

  • Transplant Surgery Physician
  • Hackensack, NJ
National Provider Identifier
1861853343
Registry record updated May 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Transplant Surgery PhysicianTaxonomy code 204F00000X
License
25MB11946000 Issued in NJ
Practice address
20 Prospect Ave
Ste 406
Hackensack, NJ 07601-1941
Phone
(551) 996-2959
NPI assigned
Mar 11, 2016
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 22, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Transplant Surgery Physician 204F00000X 25MB11946000 NJ Primary

Addresses

Primary practice location

20 Prospect Ave
Ste 406
Hackensack, NJ 07601-1941

Mailing address

331 Newman Springs Rd
BLDG 2, Ste 220
Red Bank, NJ 07701-5688

Other practice location 1

7600 River Rd
North Bergen, NJ 07047-6217
Phone (201) 710-2753

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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230901000465 NJ Practitioner - General Surgery 5597169631 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

20 Prospect Ave
Suite 602
Hackensack, NJ 07601-1962
Phone (551) 996-2211

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Hackensack Meridian Health Medical Group - Specialty Care PC CurrentSince Sep 15, 2023 Accepting new patients
Hackensack Meridian Health Medical Group - Specialty Care PC Transplant Surgery CurrentSince Sep 15, 2023 Accepting new patients
Hackensack Meridian Health Medical Group - Complex Care PC Past Accepting new patients

Locations

102 James St
Ste 203
Edison, NJ 08820
Phone (551) 996-4849

30 Prospect Ave
Hackensack, NJ 07601
Phone (201) 488-0066

20 Prospect Ave
Ste 406
Hackensack, NJ 07601
Phone (551) 996-2608

20 Prospect Ave
Ste 602
Hackensack, NJ 07601
Phone (201) 809-3000

3600 State Route 66
Fl 3
Neptune City, NJ 07753
Phone (732) 807-0463

7600 River Rd
North Bergen, NJ 07047
Phone (201) 854-5000

331 Newman Springs Rd
Ste 220
Red Bank, NJ 07701
Phone (732) 807-0514

Interoperability endpoints

  • Direct secure messaging: aerhardt374709@direct.houstonmethodist.org
  • FHIR API: https://fhir4.healow.com/fhir/r4/IHJHBD

Organizations & group practices 3

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 2

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": "1457654400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779408000000",
    "number": "1861853343",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "331 NEWMAN SPRINGS RD",
            "address_2": "BLDG 2, STE 220",
            "city": "RED BANK",
            "state": "NJ",
            "postal_code": "077015688"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 PROSPECT AVE",
            "address_2": "STE 406",
            "city": "HACKENSACK",
            "state": "NJ",
            "postal_code": "076011941",
            "telephone_number": "551-996-2959"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "7600 River Rd",
            "address_purpose": "LOCATION",
            "city": "North Bergen",
            "state": "NJ",
            "postal_code": "070476217",
            "country_code": "US",
            "telephone_number": "201-710-2753",
            "fax_number": "201-758-2740",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ERHARDT",
        "first_name": "ALEXANDRA",
        "middle_name": "JOY",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-03-11",
        "last_updated": "2026-05-22",
        "certification_date": "2026-05-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "204F00000X",
            "taxonomy_group": "",
            "desc": "Transplant Surgery",
            "state": "NJ",
            "license": "25MB11946000",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hackensack, NJ

Sources for this page

Verify at the official NPI Registry.