Individual provider Active NPI

Extasy Grinn, LCSW, CAP. ICADC

  • Clinical Social Worker
  • Maryville, TN
National Provider Identifier
1124534912
Registry record updated Jul 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
7341 Issued in TN
Practice address
2030 Chilhowee Medical Park
Maryville, TN 37804-5285
Phone
(865) 982-3400
Fax
(865) 238-2034
NPI assigned
Dec 16, 2017
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 9, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X ADC-003288-2014 FL
Social Worker 104100000X 7341 TN
Clinical Social Worker 1041C0700X SW14806 FL
Clinical Social Worker 1041C0700X 7341 TN Primary

Addresses

Primary practice location

2030 Chilhowee Medical Park
Maryville, TN 37804-5285

Mailing address

4799 Palmbrooke Cir
West Palm Beach, FL 33417-7534
Phone (561) 876-8751

Other practice location 1

4799 Palmbrooke Cir
West Palm Beach, FL 33417-7534
Phone (561) 876-8751

Other practice location 2

10133 Sherrill Blvd Ste 220
Knoxville, TN 37932-3775
Phone (615) 320-1155

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TN
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20221209000468 TN Practitioner - Clinical Social Worker 1951662527 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Florida Atlantic University, College of Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Athena Consulting and Psychological Services, PLLCGroup PAC ID 5294719795, 60 clinicians

Practice addresses (Care Compare)

10133 Sherrill Blvd
Suite 220
Knoxville, TN 37932-3347
Phone (615) 320-1155

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
ADC-003288-2014FLMDAddiction (Substance Use Disorder) Counselor
SW14806FLMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Athena Consulting and Psychological Services, PLLC Clinical CurrentSince Dec 2, 2022 Accepting new patients
Speech Pathology Services of East Tennessee LLC Clinical PastSince Oct 11, 2020 Accepting new patients
Little Tennessee Valley Educational Cooperative PastSince Oct 11, 2020 Accepting new patients

Locations

109 Hazel Path
Ste 4
Hendersonvlle, TN 37075
Phone 6153201155 ext. 232

10133 Sherrill Blvd
Ste 220
Knoxville, TN 37932
Phone (776) 641-1155

220 Athens Way
Ste 104
Nashville, TN 37228
Phone (615) 380-4725

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.

NPI Registry JSON

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

{
    "created_epoch": "1513382400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752019200000",
    "number": "1124534912",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4799 PALMBROOKE CIR",
            "city": "WEST PALM BEACH",
            "state": "FL",
            "postal_code": "334177534",
            "telephone_number": "561-876-8751"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2030 CHILHOWEE MEDICAL PARK",
            "city": "MARYVILLE",
            "state": "TN",
            "postal_code": "378045285",
            "telephone_number": "865-982-3400",
            "fax_number": "865-238-2034"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4799 Palmbrooke Cir",
            "address_purpose": "LOCATION",
            "city": "West Palm Beach",
            "state": "FL",
            "postal_code": "334177534",
            "country_code": "US",
            "telephone_number": "561-876-8751",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "10133 Sherrill Blvd Ste 220",
            "address_purpose": "LOCATION",
            "city": "Knoxville",
            "state": "TN",
            "postal_code": "379323775",
            "country_code": "US",
            "telephone_number": "615-320-1155",
            "fax_number": "615-320-1177",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GRINN",
        "first_name": "EXTASY",
        "credential": "LCSW, CAP. ICADC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2017-12-16",
        "last_updated": "2025-07-09",
        "certification_date": "2025-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "FL",
            "license": "ADC-003288-2014",
            "primary": false
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "TN",
            "license": "7341",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "FL",
            "license": "SW14806",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "TN",
            "license": "7341",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Maryville, TN

Sources for this page

Verify at the official NPI Registry.