Organization Active NPI

Citywide Behavioral Health Inc

  • Clinic/Center
  • Hanover, MA
National Provider Identifier
1487510830
Registry record updated Dec 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinic/CenterTaxonomy code 261Q00000X
Legal business name
CITYWIDE BEHAVIORAL HEALTH INC
Practice address
135 Webster St Ste 1
Hanover, MA 02339-1200
Phone
(781) 429-7755
NPI assigned
Dec 30, 2025
Last updated
Dec 30, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Dec 30, 2025

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

Authorized official

Name
Slava Ismintsev
Title
Owner
Phone
(617) 699-5845

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinic/Center 261Q00000X Primary

Addresses

Primary practice location

135 Webster St Ste 1
Hanover, MA 02339-1200

Mailing address

25 Simpson St
Newton, MA 02458-2225

National Provider Directory

National Provider Directory

NPI Registry JSON

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

{
    "created_epoch": "1767052800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767052800000",
    "number": "1487510830",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "25 SIMPSON ST",
            "city": "NEWTON",
            "state": "MA",
            "postal_code": "024582225"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "135 WEBSTER ST STE 1",
            "city": "HANOVER",
            "state": "MA",
            "postal_code": "023391200",
            "telephone_number": "781-429-7755"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CITYWIDE BEHAVIORAL HEALTH INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-12-30",
        "last_updated": "2025-12-30",
        "certification_date": "2025-12-30",
        "status": "A",
        "authorized_official_last_name": "ISMINTSEV",
        "authorized_official_first_name": "SLAVA",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "617-699-5845"
    },
    "taxonomies": [
        {
            "code": "261Q00000X",
            "taxonomy_group": "",
            "desc": "Clinic/Center",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hanover, MA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 30, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.