Individual provider Active NPI

Constantine Grutman

  • Psychiatric/Mental Health Registered Nurse
  • Brooklyn, NY
National Provider Identifier
1457262495
Registry record updated Sep 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatric/Mental Health Registered NurseTaxonomy code 163WP0808X
License
819574 Issued in NY
Practice address
2601 Ocean Pkwy
Brooklyn, NY 11235-7745
Phone
(718) 616-3000
NPI assigned
Sep 16, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 16, 2026

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 Registered Nurse 163WP0808X 819574 NY Primary

Addresses

Primary practice location

2601 Ocean Pkwy
Brooklyn, NY 11235-7745

Mailing address

2601 Ocean Pkwy
Brooklyn, NY 11235-7745
Phone (718) 616-3000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1789516800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789516800000",
    "number": "1457262495",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2601 OCEAN PKWY",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112357745",
            "telephone_number": "718-616-3000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2601 OCEAN PKWY",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112357745",
            "telephone_number": "718-616-3000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRUTMAN",
        "first_name": "CONSTANTINE",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-09-16",
        "last_updated": "2026-09-16",
        "certification_date": "2026-09-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163WP0808X",
            "taxonomy_group": "",
            "desc": "Registered Nurse, Psychiatric/Mental Health",
            "state": "NY",
            "license": "819574",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Brooklyn, NY

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.