Individual provider Active NPI

Joseph Kellermann Hartsoe, LCSW

  • Clinical Social Worker
  • Houston, TX
National Provider Identifier
1972237790
Registry record updated Sep 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
69466 Issued in TX
Practice address
802 W Alabama St
Houston, TX 77006-4602
Phone
(832) 835-6944
Fax
(832) 281-1551
NPI assigned
Jul 16, 2022
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 17, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 69466 TX Primary

Addresses

Primary practice location

802 W Alabama St
Houston, TX 77006-4602

Mailing address

PO Box 21102
Houston, TX 77226-1102
Phone (832) 835-6944

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
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
I20240621003645 TX Practitioner - Clinical Social Worker 0941743611 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

802 W Alabama St
Houston, TX 77006-4602
Phone (832) 835-6944

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Thrive Together Social Work and Therapy, PLLC Clinical CurrentSince Apr 6, 2024 Accepting new patients

Locations

802 W Alabama St
Houston, TX 77006
Phone (832) 243-7524

4900 Travis St
Unit 117
Houston, TX 77002
Phone (832) 835-6944

7790 W Grand Pkwy S
Ste 103
Richmond, TX 77406
Phone (281) 242-5400

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1657929600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1789603200000",
    "number": "1972237790",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 21102",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "772261102",
            "telephone_number": "832-835-6944"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "802 W ALABAMA ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770064602",
            "telephone_number": "832-835-6944",
            "fax_number": "832-281-1551"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARTSOE",
        "first_name": "JOSEPH",
        "middle_name": "KELLERMANN",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-07-16",
        "last_updated": "2026-09-17",
        "certification_date": "2026-09-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "TX",
            "license": "69466",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.