Karl Nitz, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

68244 Issued in TX

Practice address

2770 Main St Ste 135
Frisco, TX 75033-4353

Phone

(785) 829-3154

NPI assigned

Mar 17, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

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

Specialty

Clinical Social Worker

Education

Other, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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.

• Karl Nitz Counseling and Mental Toughness Training

  • Clinical Social Worker
  • Frisco, TX
  • NPI 1588182752
  Medicare reassignment Authorized official

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

{
    "created_epoch": "1142553600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777593600000",
    "number": "1255390423",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2770 MAIN ST STE 135",
            "city": "FRISCO",
            "state": "TX",
            "postal_code": "750334353",
            "telephone_number": "785-829-3154"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2770 MAIN ST STE 135",
            "city": "FRISCO",
            "state": "TX",
            "postal_code": "750334353",
            "telephone_number": "785-829-3154"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NITZ",
        "first_name": "KARL",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-03-17",
        "last_updated": "2026-05-01",
        "certification_date": "2026-05-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Social Worker, Clinical",
            "state": "TX",
            "license": "68244",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nancy Carol Nielsen
• Lauren Nikolis
• Jhea Therese Montecillo Nillas, MSN, APRN, WHNP-BC
• Sherlin Mini Ninan, RPH
• Laura Nissen
• Tracey Michelle Nixon, SLP
• Ruth Njeru
• NJM of Texas LLC
• Stephanie Njoku
• Margaret Njoroge

• Clinical Social Worker in Frisco, TX
• Providers in Frisco, TX by specialty
• Clinical Social Worker in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 1, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.