Individual provider Active NPI

Mary-Anne Hennen, M.D.

  • Psychiatry Physician
  • Staten Island, NY
National Provider Identifier
1952939118
Registry record updated Sep 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
329317 Issued in NY
Practice address
475 Seaview Ave
Staten Island, NY 10305-3436
Phone
(718) 226-9000
NPI assigned
Mar 31, 2020
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 10, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 329317 NY Primary

Addresses

Primary practice location

475 Seaview Ave
Staten Island, NY 10305-3436

Mailing address

475 Seaview Ave
Staten Island, NY 10305-3436

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY
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
I20250930000669 NY Practitioner - Psychiatry 0941706949 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Rutgers New Jersey Medical School, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
North Shore-Lij Medical PCGroup PAC ID 3375701568, 6,374 clinicians

Practice addresses (Care Compare)

375 Seguine Ave
Staten Island, NY 10309-3932
Phone (718) 226-6902

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
North Shore-Lij Medical PC CurrentSince Sep 29, 2025 Accepting new patients
North Shore - Lij Medical PC CurrentSince Sep 29, 2025 Accepting new patients

Locations

1111 Marcus Ave
Ste M04
New Hyde Park, NY 11042
Phone (585) 736-3650

300 Community Dr
Plandome, NY 11030

475 Seaview Ave
Staten Island, NY 10305
Phone (718) 226-8855

375 Seguine Ave
Staten Island, NY 10309
Phone (718) 226-2000

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": "1585612800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757462400000",
    "number": "1952939118",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "475 SEAVIEW AVE",
            "city": "STATEN ISLAND",
            "state": "NY",
            "postal_code": "103053436"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "475 SEAVIEW AVE",
            "city": "STATEN ISLAND",
            "state": "NY",
            "postal_code": "103053436",
            "telephone_number": "718-226-9000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HENNEN",
        "first_name": "MARY-ANNE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-03-31",
        "last_updated": "2025-09-10",
        "certification_date": "2025-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NY",
            "license": "329317",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Staten Island, NY

Sources for this page

Verify at the official NPI Registry.