NPIMap

Organization Active NPI

Grand Lake Mental Health Center, Inc.

Doing business as GRAND Mental Health

  • Community/Behavioral Health Agency
  • Tulsa, OK
National Provider Identifier
1013898352
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Community/Behavioral Health AgencyTaxonomy code 251S00000X
Legal business name
GRAND LAKE MENTAL HEALTH CENTER, INC.
Doing business as
GRAND Mental Health
Practice address
6333 E. Skelly Dr.
Tulsa, OK 74135-6106
Phone
(918) 779-7144
Fax
(918) 663-0203
NPI assigned
Sep 11, 2025
Last updated
Sep 11, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Authorized official

Name
Joshua CantwellNPI 1184953184
Title
Ceo
Phone
(918) 273-1841

Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Community/Behavioral Health Agency 251S00000X Primary

Addresses

Primary practice location

6333 E. Skelly Dr.
Tulsa, OK 74135-6106

Mailing address

114 W Delaware Ave
Nowata, OK 74048-2601
Phone (918) 273-1841

Other names 1

  • GRAND Mental Health Doing business as

National Provider Directory

National Provider Directory
Tax ID family
Grand Lake Mental Health Center Inc108 organizations share this tax ID, including this one

Organizations with this tax ID in the same state 15

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

View all 15

Practitioners & affiliated clinicians

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1757548800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1013898352",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "114 W DELAWARE AVE",
            "city": "NOWATA",
            "state": "OK",
            "postal_code": "740482601",
            "telephone_number": "918-273-1841",
            "fax_number": "918-273-1843"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6333 E. SKELLY DR.",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741356106",
            "telephone_number": "918-779-7144",
            "fax_number": "918-663-0203"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GRAND LAKE MENTAL HEALTH CENTER, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-09-11",
        "last_updated": "2025-09-11",
        "certification_date": "2025-08-29",
        "status": "A",
        "authorized_official_last_name": "CANTWELL",
        "authorized_official_first_name": "JOSHUA",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "918-273-1841"
    },
    "taxonomies": [
        {
            "code": "251S00000X",
            "taxonomy_group": "",
            "desc": "Community/Behavioral Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "GRAND Mental Health",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Tulsa, OK

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.